Until recently, the amount of carbon dioxide (CO2) in the atmosphere has fluctuated slightly during the past 10,000 years. However, the Industrial Revolution of the 1700s started a global adoption of fossil fuels to power human activity. Human activities helped increase CO2 in the atmosphere to a higher concentration than any time in the past 800,000 years. About one third of the CO2 in Earth's atmosphere dissolves in the oceans to form carbonic acid (Figure 1).
Prior to the Industrial Revolution, average ocean pH was about 8.2. Today, average ocean pH is about 8.1. Each decrease of one pH unit is a tenfold increase in acidity. This means that the acidity of the ocean today, on average, is about 25% higher than it was during pre-industrial times.
Refer to Figure 1 to answer the following questions:
Describe the data trends comparing carbon dioxide levels and ocean pH in the graphs for Bermuda, the Canary Islands, and Hawaii.
Explain one advantage of taking carbon dioxide and pH measurements at island locations instead of taking measurements near mainland coastal regions.
Describe two possible natural disruptions that account for the fluctuations of carbon dioxide and pH measurements from year to year in each location.
Ocean pH contributes to the health of marine ecosystems. Explain how ecological tolerance to change in pH will affect the survival of marine life near Bermuda, the Canary Islands, and Hawaii.
Burning fossil fuels has led to human disruption of the atmosphere and ocean near these island regions. Identify two ecosystem services that could be affected by this disruption.
Answers
The data trends comparing carbon dioxide levels and ocean pH in the graphs for Bermuda, the Canary Islands, and Hawaii, show an overall increase in carbon dioxide levels and a decrease in ocean pH over time. The carbon dioxide levels increased steadily over the past century, while the ocean pH decreased at a similar rate.
One advantage of taking carbon dioxide and pH measurements at island locations instead of taking measurements near mainland coastal regions is that islands are often isolated from major sources of pollution and have less human impact on the environment, making them more representative of pre-industrial conditions.
What is the natural disruptions about?Two possible natural disruptions that account for the fluctuations of carbon dioxide and pH measurements from year to year in each location could be seasonal changes in ocean currents and weather patterns, which can affect the amount of carbon dioxide and other gases dissolved in the ocean.
Ocean pH contributes to the health of marine ecosystems. The decrease in pH will affect the survival of marine life near Bermuda, the Canary Islands, and Hawaii by making it harder for them to build and maintain their shells and skeletons, which are made of calcium carbonate.
Therefore, Burning fossil fuels has led to human disruption of the atmosphere and ocean near these island regions. Two ecosystem services that could be affected by this disruption could be the loss of biodiversity and the decline of fishing and other commercial activities that depend on the health of marine ecosystems.
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Related Questions
an early example of biological exchange was the spread of plants and food crops throughout the eastern hemisphere from 700 to 1100 c.e. what helped cause this diffusion?
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The spread of plants and food crops during this period was largely due to the expansion of trade networks across the eastern hemisphere, facilitated by the Silk Road.
What contributed to this diffusion?Several factors helped cause this diffusion, including increased trade, advances in technology and transportation, and the growth of empires.Improved maritime navigation and the development of the Silk Road also helped facilitate the spread of plants and food crops, as merchants and travelers transported goods across the region.Additionally, the increased demand for food and resources from expanding empires and populations likely acted as a catalyst for the spread of plants and food crops.Improved transportation networks, such as the use of camels, allowed for the spread of goods, ideas, and plants to other parts of the world.Additionally, the growth of large and powerful empires, such as the Tang dynasty in China, allowed for further expansion of these trade networks and facilitated the spread of plants to different areas.To learn more about biological exchange refer to:
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The spread of plants and food crops during this period was largely due to the expansion of trade networks across the eastern hemisphere, facilitated by the Silk Road.
What contributed to this diffusion?Several factors helped cause this diffusion, including increased trade, advances in technology and transportation, and the growth of empires.Improved maritime navigation and the development of the Silk Road also helped facilitate the spread of plants and food crops, as merchants and travelers transported goods across the region.Additionally, the increased demand for food and resources from expanding empires and populations likely acted as a catalyst for the spread of plants and food crops.Improved transportation networks, such as the use of camels, allowed for the spread of goods, ideas, and plants to other parts of the world.Additionally, the growth of large and powerful empires, such as the Tang dynasty in China, allowed for further expansion of these trade networks and facilitated the spread of plants to different areas.
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Put the things in the correct order to form a good chain.fungus fish organic matter and shrimp
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Food chain refers to the energy source diagram. Food is a continuous network of links to food web which starts from producers(plants) to decomposers(fungi). Inorder to form a good chain check the producers,mediators (pass the link to next one who eats)and decomposers.
Therefore ,correct order to form a good chain.
Organic matter →Fungus→Shrimp→Fish
The above food web is a good chain. Food chain also illustrates how one organisms eats the followed other organisms what they eat. Organic matter defines alive or dead organism in the water which contains mostly carbon matter.Shrimp is the newly born fishes.
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the goliath beetle is able to lift things that weight ____
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The goliath beetle is able to lift things that weight around 1141 times more its own weight.
Goliath Beetle:
The Goliath beetle is the biggest bug on the earth. They have been present on Earth for the past 300 million years. These magnificent species may be found in Africa's tropical and subtropical climates. They love living in deep jungles in warm climates. Although Goliath beetles are popular as pets (which reduces their population in the wild), they are not listed as an endangered species.
Interesting facts:
The insect world is famed for its Olympian powerlifters, but the gold medal goes to the horned dung beetle (Onthophagus Taurus). The beetle, which is only 10 millimeters long, can pull up to 1141 times its own body weight—the equivalent of an ordinary man pulling two fully loaded 18-wheeler trucks. That makes it a third stronger than the strongest known insect (the rhinoceros beetle), hundreds of times stronger than ants, and only slightly weaker than the world's strongest animal, Archegozetes longisetosus, a small but tenacious mite.Hence, goliath beetle can lift weight 1141 times more its own weight.
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homo sapiens is an example of an organism that can produce fertile offspring
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The statement is true that homo sapiens is an example of an organism that can produce fertile offspring.
This remark indicates that individuals of the similar species are compatible just to conceive an offspring collectively. According to this definition of species, all currently existing humans are members of the same species, Homo sapiens. There is a chance that all humans could interbreed, but not with people who belong to another species.
Today's inhabitants are all members of the Homo sapiens species. We have only lately emerged, yet thanks to sophisticated technology and society, we have indeed been able to colonise many various settings and expand over the globe.
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What are the two steps of protein synthesis that produce a protein from a gene ?
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The protein synthesis pathway is complex and tightly regulated within each cell. It consists of two main steps: transcription and translation.
Gene expression refers to the combination of transcription and translation. The two main steps in protein synthesis are transcription and translation. During transcription, DNA is copied into mRNA in the cell nucleus using RNA polymerase. The mRNA is edited and exported to the cytoplasm where translation takes place. Translation occurs when the ribosome binds to the mRNA and reads the genetic code.
The first step in protein synthesis is transcription, the unfolding of DNA and the generation of messenger RNA (mRNA) chains. In the second step of protein synthesis, translation, tRNA and mRNA interact to encode amino acids and grow polypeptide chains.
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The Apollo of Veii and sarcophagus with a reclining couple differ from Greek statuary in their _____
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The Apollo of Veii and sarcophagus with a reclining couple differ from Greek statuary in their large focus on patterns .
The Veii Apollo is distinctively Etruscan because of the subsequent inventive choices: big attention on patterns (along with the clothing & hair being proven unrealistically for inventive effect) and the determine is clothed. This contrasts with the nu-de, and much less dynamic Gr-eek sculpture. Built in honor of the god Apollo, it became related to the Temple of the cult of Minerva. The primary motive but became to illustrate the prosperity of the Veii location withinside the face of growing Ro-man dominance.
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Can light cause the butterfly’s wings to glow? Why or why not? Does it matter what type of light Alika shines on the butterfly?
Answers
Answer:
NO, light can't cause a butterfly's wings to glow (sadly)
Explanation:
Butterflys have wings (obviously) which contain of diffrent colors and for signals such as warnings, attractions, and disguise. They are attreacted to light but they don't absorbe it. If they did the intention of the wings features would not work for there survival.
the point of __________ is attached to the bone that will be moving.
Answers
The point of origin is attached to the bone that will be moving.
In anatomy, the point of origin refers to the location on a bone or joint where a muscle or group of muscles originate, or begin. It is the place where the muscle fibers attach to the bone and it's also the fixed or stationary end of a muscle. When a muscle contracts, it pulls on the bone it's attached to, causing movement at a joint. The point of origin of a muscle is often considered to be the proximal attachment of the muscle, which means the attachment closest to the center of the body.
In contrast, the point of insertion is the location on a bone or joint where a muscle or group of muscles insert or attach, it's the place where the muscle fibers attach to the bone and it's also the mobile or movable end of a muscle. Understanding the points of origin and insertion is important in understanding how muscles and bones work together to produce movement and generate force.
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example of a genetic factor for an animal (just an example not what it is )
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Answer:
An example of a genetic factor for an animal could be a mutation in a gene that affects the animal's coat color. For example, the agouti gene in rabbits is responsible for the color of their fur, and mutations in this gene can cause a variety of colors ranging from white to black. Other genetic factors for animals can include eye color, body size, and even behavior.
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As humans burn fossil fuels for energy, the percent of carbon stored in fossils is reduced while the carbon in the atmosphere is increased. If green plants are also being removed, how might the carbon cycle and greenhouse effect be influenced? a. more carbon will be left in terrestrial ecosystems, decreasing the greenhouse effect globally
b. more carbon will be left in the atmosphere, increasing the greenhouse effect globally
c. more carbon will be left in the atmosphere, decreasing the greenhouse effect globally
d. more carbon will be left in terrestrial ecosystems, increasing the greenhouse effect globally
Answers
The carbon cycle and greenhouse effect will be impacted if green plants are also destroyed since more carbon will be released into the atmosphere, causing the greenhouse effect to be magnified globally.
Carbon dioxide, a greenhouse gas, is released into the atmosphere in massive quantities when fossil fuels are burned. Global warming is caused by greenhouse gases, which keep heat in the atmosphere. Over the past century, burning fossil fuels like coal and oil has increased the amount of carbon dioxide in the atmosphere (CO2). This increase is caused by burning coal or oil, which releases CO2 when oxygen and carbon dioxide from the air combine. 73% of all GHG emissions in the United States and 92% of all anthropogenic CO2 emissions in the country were produced by the burning of fossil fuels for energy.
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Answer:
Explanation:
a
A teacher prepared slides of microscopic organisms for a science class. The slides were first categorized according to the organisms’ structure and then according to their method of movement. Which organism’s slide would most likely be categorized as "unicellular with cilia for movement"?
A.
volvox
B.
paramecium
C.
euglena
D.
amoeba
Answers
Organism’s slide would most likely be categorized as "unicellular with cilia for movement" is B. paramecium.
Paramecium are eukaryotes. In comparison to prokaryotic organisms, consisting of micro organism and archaea, eukaryotes have well-prepared cells. Paramecium are prey for Didinium which might be unicellular ciliates. Paramecium aids withinside the carbon cycle with the aid of using feeding on decaying vegetation and micro organism. They also can be used as a version organism in research. Paramecia collect poison for numerous days if uncovered to a sublethal dose till they end up lethargic, and having absorbed a deadly dose they in the end expire. The poisonous cloth isn't particulate, and it's miles with ease separated from the micro organism with the aid of using centrifugation.
Thus, the correct option is B.
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What captures light energy in a plant? A. pigments like chlorophyll B. mitochondria C. flowers
Answers
Answer:
A. Pigments like chlorophyll
Explanation:
multicellular eukaryotes that live all over the planet and consume food is called
Answers
Animals are eukaryotic and multicellular, living everywhere on the globe and nourishing themselves. They are the most complex organisms known and have developed over millions of years to inhabit several different habitats.
Animals possess distinctive features such as the capacity to move, ingest and digest food, reproduce, and respond to external stimuli. Furthermore, they are able to learn and possess refined senses. Animals can be divided into two major categories: vertebrates and invertebrates, depending on whether or not they have a backbone. Vertebrates feature a backbone, while invertebrates don't.
Animals are pivotal to their environment, performing pollination, seed dispersal, and nutrient cycling, while also serving as a significant food source for humans. Additionally, they can be kept as pets, granting comfort and emotional support.
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essential role in metabolism of carbohydrates, fats, and proteins.
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These nutrients are what the body uses for energy and as building blocks. The process by which the body converts foods into energy is known as metabolism. Carbohydrates, lipids, and proteins are the macronutrients that the body uses as fuel.
An animal's diet should be roughly 75% carbohydrates since they offer energy. Simple carbohydrates like sugar and starch are one type of carbohydrate (fiber). Animals store energy in the form of fats, also known as lipids, which are food components that would provide energy. Iodine is a significant trace element that is involved in controlling the balance between processes that are anabolic and catabolic. Additionally, it aids in controlling the metabolism of proteins, lipids, and carbohydrates. Iodine deficiency and thyroid disorders have been linked for centuries. Proteins are composed the components carbon, hydrogen, & oxygen, much like fats and sugars do, but they are the only macronutrients which also contain nitrogen in their fundamental structure.
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correctly label the following structures related to the position of the heart in the thorax.
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Where the Heart Is. The human heart is situated medially between both the lungs in the thoracic cavity.
The tough outer fiber pericardium and the interior serous pericardium make up the pericardium, which is properly translated as "around the heart." The heart is protected and keeps its location in the thorax by the fibrous pericardium, which is formed of strong, dense connective tissue. The mediastinum—a region of the thoracic cavity medially between the lungs—is home to the human heart. Between the lungs is the mediastinum, which houses the heart. Organs and tissues that are involved in the immune (thymus), cardiovascular (heart, pericardium, large vessels, lymphatics), anxious (vagus nerve, sympathetic string, phrenic nerve, glossopharyngeal nerve), respiratory (lungs, tracheae, trachea, pleura), and digestive (oesophagus) systems are found in the thoracic cavity. The osteocartilaginous structure is the thoracic cage, sometimes referred to as the rib cage.
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if these genes were far apart on the bacterial chromosome, what would that mean for overall efficiency of breaking down lactose?
Answers
If these genes are far apart on the bacterial chromosome, what this means for the overall efficiency of lactose breakdown is that they will never be co-transduced because bacteriophages cannot physically package the DNA fragments.
Transduction is the recombination of genes between bacterial cells using phage viruses. Phage viruses that have infected a bacterium during the lytic or lysogenetic cycle will contain bacterial DNA particles.
Transduction occurs when a bacterium obtains DNA from a bacteriophage virus that infects it. The virus will inject genetic material into the bacteria. As a result, the viral DNA will unite with the host bacterial DNA. Not all of the bacteria injected with the DNA virus will die.
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what is the major function of chloroplasts? what is the major function of chloroplasts? to store water to degrade cellular waste products to manufacture proteins to allow for photosynthesis to occur
Answers
Allowing for photosynthesis to take place is the chloroplasts' primary purpose. In order to support plant development and crop productivity, chloroplasts release oxygen and produce energy through photosynthesis.
What two purposes do chloroplasts serve?Organelles found in plant cells called chloroplasts use the photosynthetic process to transform light energy into chemical energy that is relatively stable. They maintain life on Earth by doing this. Various metabolic processes, such as the synthesis of fatty acids and membrane lipids, are also provided for plant cells by chloroplasts.In order to support plant development and crop productivity, chloroplasts release oxygen and produce energy through photosynthesis. Therefore, amino acids, phytohormones, nucleotides, vitamins, lipids, and secondary metabolites are only a few of the active substances that are biosynthesized by chloroplasts [9].Allowing for photosynthesis to take place is the chloroplasts' primary purpose. In order to support plant development and crop productivity, chloroplasts release oxygen and produce energy through photosynthesis.To learn more about chloroplasts refer to:
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90 of digestion and absorption of nutrients occur in which organ?
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Answer:
Hi!
It is in the small intestine that most of the digestion of nutrients takes place, as well as their absorption, that is, the assimilation of nutritive substances.
I hope this helped you, good studies!
what is the most common method of tree harvesting for an even-aged forest stand?
Answers
The most common method of tree harvesting for an even-aged forest stand is Through clearcut harvesting of trees and subsequent planting.
An even-aged stand is one in which the range of ages of the trees in a stand does not vary by more than about 20%. The best example of even-aged stands can be found in plantation forests, which frequently originate from seedlings or clones of the same parents. Because they were all planted at the same time, the trees are all the same age. As a result, clearcut harvesting of trees and subsequent planting can result in even-aged stands. An even-aged stand can be made from shelterwood or seed tree harvests in which only a small amount of the overstory is left to provide seed for the new stand.
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what is a space within the body that contains vital organs called?
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Body cavity is a space within the body that contains vital organs called.
Five organs in the human body are thought to be essential for survival. The Heart, which is situated in the middle of the chest and is responsible for maintaining blood flow throughout the body. Blood transports both the materials that cells require and the waste products that they produce.
In the intensive care situation, multisystem organ failure is frequently observed, necessitating a multidisciplinary management strategy. Organ failures are increasingly understood to be a result of and have an effect on the malfunctioning of other organs, which is mediated via haemodynamic, neurohormonal, and cell signalling feedback mechanisms. This interaction is known as organ cross-talk. Cardiorenal, hepatorenal, and pulmonary-renal syndromes are typical instances of this interaction between organ systems, and each of them significantly affects the likelihood of recovery of specific organs as well as the prognosis as a whole.
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What is a silent mutagen?
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Silent mutagens are substances that can cause silent mutations.
Mutations are changes in genetic material both at the gene and chromosome levels during DNA replication that can be passed on to their offspring. Mutations can be caused by internal or external factors that cause changes in the protein produced.
Silent mutagens are materials or factors that resemble nitrogenous bases that can cause silent mutations. Silent mutations occur due to codon changes caused by mutagens that do not cause amino acid changes. This mutation occurs due to a change in the base pair of the gene at position 3 of the codon resulting in a change in one genetic code but does not result in a change in the amino acid.
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Which characteristic of viruses prevents them from being used as evidence to support cell theory?
a. Viruses do not have nuclei.
b. Viruses cannot move by themselves.
c. Viruses replicate only inside host cells.
d. Viruses can have glycoproteins on their surfaces.
Answers
Answer:
The characteristic of viruses that prevents them from being used as evidence to support cell theory is that viruses do not have nuclei. Viruses are not considered living organisms, as they cannot independently replicate, do not have a metabolism, and do not have a nucleus - a key component of cells. While viruses can have glycoproteins on their surfaces, this does not necessarily provide evidence to support cell theory, as viruses are not considered to be cells.
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what nc rivers flow to mississippi river basin
Answers
Answer: Several North Carolina rivers flow into the Mississippi River basin. These include:
The French Broad River
The Nolichucky River
The Pigeon River
The Little Tennessee River
The Hiwassee River
The Ocoee River
The Conasauga River
The Coosawattee River
The Cartoogechaye River
The Nottely River
This list is not exhaustive and there may be other rivers that also flow into the Mississippi River basin in North Carolina.
A person has a disease that makes them have less energy and feel tired. What are two organelles the person's cells that might not be working correctly and causing this problem and why?
Answers
A person with a disease that causes them to have less energy and feel tired may be experiencing problems with two important organelles in their cells: the mitochondria and the lysosomes.
The mitochondria, often referred to as the "powerhouse of the cell," are responsible for producing the majority of a cell's energy in the form of ATP. If the mitochondria are not functioning properly, the cell will not be able to produce enough energy, leading to feelings of fatigue. This can happen as a result of mutations in the mitochondrial DNA or dysfunction in the electron transport chain, which is responsible for producing ATP.
Another organelle that may not be working correctly in this person's cells is the lysosome. Lysosomes are responsible for breaking down and recycling cellular waste, including damaged organelles and debris. If the lysosomes are not functioning properly, the waste products will build up in the cell, leading to a decrease in overall cell function and energy. This can happen as a result of genetic disorders such as lysosomal storage diseases.
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if a faster heartbeat means that more vital substances can be delivered to cells, why does the heart not naturally beat as fast when a person is resting as when they are jumping?
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Because of stress, exercise, medicine, or, in rare instances, a medical issue, the heart may not beat as quickly while a person is at rest as it does when they are leaping. While usually innocuous, heart palpitations can be unnerving.
Why does my heartbeat while I'm resting seem so rapid?They may be brought on by stress, physical activity, medication, or, in rare cases, a medical problem. Heart palpitations are normally harmless, though they can be unsettling. Heart palpitations are a rare sign of a more serious heart disease, such as an arrhythmia, which may need medical attention.By increasing the amount of blood that can reach the tissues and cells to distribute the required nutrients, such as oxygen and glucose, the heart rate assists in maintaining homeostasis at the cellular level during exercising.Because of stress, exercise, medicine, or, in rare instances, a medical issue, the heart may not beat as quickly while a person is at rest as it does when they are leaping. While usually innocuous, heart palpitations can be unnerving.To learn more about heartbeat refer to:
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The Golgi apparatus helps to maintain cellular homeostasis by
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The Golgi apparatus helps to maintain cellular homeostasis by processing and transporting different proteins and lipids required to be part of the cell in the endomembrane system.
What is the relative importance of the Golgi apparatus in the cell?T the relative importance of the Golgi apparatus in the cell is based on the fact that it maintains the internal equilibrium by synthesizing and producing different biomolecules.
Therefore, with this data, we can see that the relative importance of the Golgi apparatus in the cell is cemented in the transport and processing of lipids and proteins.
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Some bacteria can create an _____________ to protect against harsh conditions.
Answers
Answer:
Endospore
Explanation:
Some bacteria create spores to protect themselves
A. Original DNA:
CCT ATA TCT CTC TAT ATC TCT CAT ACT GTG TGT CTC TAT
Complementary DNA:
Answers
Answer: GGA TAT AGA GAG ATA TAG AGA GTA TGA CAC ACA GAG ATA
Explanation:
A goes T and C goes with T it's basically switching the letter to the corresponding one!
Which specific lymphatic structure protects the small intestine from pathogens?
Answers
Peyer's patches are clusters of lymphoid follicles in your small intestine's mucus membrane. Lymphoid follicles are lymphatic system structures that are comparable to lymph nodes.
The lymphatic system, also known as the lymphoid system, is a vertebrate organ system that is part of the immune system and works in tandem with the circulatory system.
A wide network of lymphatic veins, lymph nodes, lymphatic or lymphoid organs, and lymphoid tissues comprise it. The vessels transport lymph (the Latin term lympha relates to the deity of fresh water, "Lympha") back to the heart for re-circulation.
The lymphatic system, unlike the circulatory system, is an open system. Capillary filtration, which removes plasma from the blood, processes an average of 20 litres of blood every day in the human circulatory system.
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which pair of chickens should a farmer breed to produce larger chickens?
Answers
Answer: (Large hen, large rooster.)
Explanation: (Why: Large parents should be bred to produce larger chickens)