Highlighted artery is right coronary.
What is artery?The blood channels that carry oxygen-rich blood from the heart to the body's tissues are called arteries. Each artery consists of three layers and is a muscular tube bordered by smooth tissue. The endothelium, a smooth tissue, lines the intima, the inner layer.Blood is transported from your heart through arteries.All body parts have arteries, with the exception of the hair, nails, epidermis, cartilages, and cornea. In the limbs, they run along the flexor surface, where they are less vulnerable to injury, and the larger trunks typically occupy the most protected positions.A conduit that carries blood from the heart to the body's extremities is called an artery. Every artery, with the exception of the pulmonary artery, carries oxygenated blood. The ascending aorta, aortic arch, thoracic aorta, and abdominal aorta are the four divisions of the aorta, which is the biggest artery in the body.
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What are the differences between bacterial chromosomes and eukaryotic chromosomes?
Prokaryotic chromosomes are found in the nucleoid, while those of eukaryotes are found inside the nucleus.
Eukaryotic cells contain a membrane-bound nucleus (as well as membrane-bound organelles), whereas prokaryotic cells have not. This is the primary distinction between the two types of cells.Bacteria have a single circular chromosome made of double stranded DNA, whereas humans have 46 chromosomes made of linear DNA. Similar to the genetic material present in all living things, this circular DNA serves to sustain bacterial growth, cellular respiration, and reproduction.Bacteria are typically thought of as genetically haploid, have a quick generation rate, and are quickly able to reach high population densities. As a result, standard genetic analysis of bacteria is much simpler than that of diploid eukaryotes.learn more about chromosomes here: https://brainly.com/question/13148765
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Will the real atomic model please stand up?,” describe what Dalton’s theory states about a molecule of water.
According to the Dalton's atomic theory, we can see that there are two atoms that compose the water molecule.
What is the atomic model?The atomic theory states that matter is made up of small particles called atoms. These atoms are capable of independent existence and can take part in chemical reaction.
From the Dalton's atomic theory, we can see that there are two atoms that compose the water molecule. These atoms are hydrogen atom and the oxygen atom.
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What is the norm of reaction? Multiple choice question. The combination of tissues and organs that are affected by a pleiotropic mutation The phenotypic range displayed by individuals with a particular genotype under different environmental conditions The ability of a single wild-type allele to produce enough protein to confer a wild-type phenotype in a heterozygote
The norm of reaction refers to the phenotypic range displayed by individuals with a particular genotype under different environmental conditions.
Norm of Reaction
The norm of reaction or the reaction norm refers to the range of phenotypes exhibited by a genotype in varying environmental conditions. The norm of reaction assesses the environmental variation and its contribution to producing the phenotypic variation that may occur in the same or related species.
Phenotypes and Environment
The production of a phenotype depends on the genotype and the interaction of the same with the environment. The norm of reaction often represents the limit of phenotypic variations possible for a genotype in an environment. The interaction of genotype and environment was described by Richard Woltereck. Such interactions occur in many dimensions and multiple levels of development.
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How is a trophic cascade (top down regulation) different from the traditional trophic pyramid (bottom up regulation)?
Top-down effects imply control through predation, including fishery, while
bottom-up effects imply control through food abundance, often thought to be driven by climate or nutrient load.
What is Top down regulation ?The top-down effect refers to a higher trophic level influences the community structure of a lower trophic level through predation.
What is Bottom up regulation ?The bottom-up effect means that a lower trophic level in the biological network affects the community structure of higher trophic levels by means of resource restriction
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Cold water is ________ than warm water and salty water is ________ than fresh water.
Which of the following can be used to measure absolute time? Select all that apply.
A. varves
B. tree rings
C. law of superposition
D. ratio of C-12 to C-14 in a bone sample
Consider a hypothetical food chain consisting of grass, rabbits, and foxes. The primary productivity of the grass is 200 units. What is the maximum amount of energy that we should expect to be
The maximum amount of energy that we should expect to be recycled from fox trophic level back to the grass trophic level is 0 units.
A food chain describes who eats whom in the wild. Every living thing – from unicellular algae to giant blue whales – needs food to survive. Every food chain is a possible pathway that energy and nutrients can travel through an ecosystem. The primary productivity of the grass is 200 units. There is a 10 fold decrease in the amount of energy units as we move upwards in production chain. So from grass to rabbits we lose energy. The foxes will only really have two units once it's decreased by 10 fold again. The grass does not get any energy from the decaying bodies of foxes, they get the minerals that they need to grow. And so the correct answer to this question is 0 units because when the energy gets recycled from fox trophic level back to the grass trophic level it will be totally reduced.
Note: The question seems to be incomplete. So the complete question is "Consider a hypothetical food chain consisting of grass, rabbits, and foxes. The primary productivity of the grass is 200 units. What is the maximum amount of energy that we should expect to be recycled from the fox trophic level back to the grass trophic level? Answer choices: A) 0 units B) 0.2 units C) 2 units D) 20 units"
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1. state the characteristics of Chrysophytes.
2. write the characteristics of dinoflagellates.
3. write the characteristics of euglenoids.
4. write the characteristics of Slime moulds.
1. Chrysophytes
⇒ Unicellar
⇒ Present in water bodies with low calcium levels.
⇒ Golden yellow colour due to accessory pigment.
⇒ Cell walls made of cellulose and silica.
⇒ Free swimming.
⇒ Two unequal flagella.
2. Dinoflagellates
⇒ Dinoflagellates are essentially golden-brown, biflagellate, unicellular motile protists.
⇒ Golden brown is the primary color, but due to changes in the ratios of other pigments, it may also take on yellow, green, brown, or even blue forms.
⇒ Theca or lorica, composed of articulated and sculpted cellulose plates, is a stiff covering that typically covers cells.
⇒ One flagellum is transverse and the other is longitudinal, making the two flagella distinct (heterokont).
⇒ Mesokaryon is the name given to the big nucleus.
⇒ Chlorophyll a and chlorophyll c are found in plastids or chromatophores.
⇒ In the sea, certain dinoflagellates like Gymnodinium and Gonyaulax proliferate in vast numbers, turning the water red and resulting in the so-called "red tide."
⇒ Dinoflagellates in the ocean exhibit bioluminescence. such as Noctiluca.
3. Euglenoids
⇒ Unicellular protists called euglenoids, like the genus Euglena, are frequently found in freshwater.
⇒ The pellicle, a protein-rich cell membrane, exists in place of the cell wall.
⇒ They bear two flagella on the anterior end of the body.
⇒ A small light sensitive eye spot is present.
⇒ They can prepare their own food because they have photosynthetic pigments like chlorophyll. They act like heterotrophs when there is no light, though, by catching other tiny aquatic creatures.
⇒ They are referred regarded as the connecting link between plants and animals since they exhibit both plant and animal-like characteristics, making it difficult to categorize them.
4. Slime moulds
⇒ Chlorophyll does not exist in them.
⇒ Only the plasma membrane encloses them. The spores, however, contain cellulose cell walls.
⇒ They often reside near decomposing vegetation.
⇒ They have a diverse spectrum of coloring.
⇒ They are saprotrophic or phagotrophic feeders.
Bacteria can make their own folic acid, which is required for nucleic acid synthesis, but humans cannot and instead have to ingest folic acid. Trimethoprim is an antimicrobial drug that inhibits one of the enzymes involved in making folic acid. This drug inhibits the growth of bacterial cells but not human cells. This is an example of
This drug inhibits the growth of bacterial cells but not human cells. This is an example of the selective toxicity of antibiotics.
Folic acid is an essential component for all cells to synthesize nucleic acids (DNA and RNA). Human cells do not synthesize folic acid and they take it through food. Bacterial cells are impermeable to folic acid and hence they need to synthesize their own folic acid.
Antibiotics target the metabolic pathway of folic acid synthesis in bacteria by inhibiting one of the enzymes in this pathway. These drugs are only toxic to bacteria but not to humans because humans do not have the folic acid synthesis pathway and hence they do not get affected by the action of the antibiotic. This is known as the selective toxicity of antibiotics.
These antibiotics are designed in a way to target the infecting agent (bacteria) while rendering minimal or no toxicity to the host (humans).
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Effects likely to be encountered when each organism is destroyed in a food chain consists of grean leaf ,slug,shrew and fox
The effects can be encountered to other organisms when each organism is destroyed in a food chain that consists of green leaf, slug, shrew and fox.
What are the effects of destroying organism in the ecosystem?Yes, effects likely to be encountered when each organism is destroyed in a food chain consists of green leaf, slug, shrew and fox because every organism in the ecosystem depends on the other organism for their survival.
So we can conclude that the effects can be encountered to other organisms when each organism is destroyed in a food chain that consists of green leaf, slug, shrew and fox.
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The subclavian artery is renamed the artery after it passes over the lateral border of the first rib.
The subclavian artery is renamed as axillary artery after it passes over the lateral border of the first rib.
What is axillary artery?The subclavian artery continues as the axillary artery at the lateral aspect of the first rib, serving as the primary artery of the upper extremity. The artery has three sections based on its proximity to the pectoralis minor muscle, each of which has six major branches.A sizable muscle vessel that passes through the axilla is called the axillary artery. It is in charge of delivering oxygen-rich blood to the upper limb as well as to a portion of the scapula's and upper lateral thorax's musculocutaneous system.As a result, two primary arteries rather than one supplied the upper limb's axillary region in particular with arterial blood on both sides. These two arteries may be lingering branches of the capillary plexus of the growing limb buds because they came from the first portion of the axillary artery.Learn more about axillary artery here:
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What is the term for the gurgling sounds that infants make in the back of their throats?
Babbling is the term for the gurgling sounds that infants make in the back of their throats
Babbling is a combination of consonant and vowel sounds — single syllable sounds like “pa” or “ba,” or long “ba-ba-ba-ba-ba.” Over time, baby babble evolves into word-sounds and eventually, basic words.
It is caused by air passing through normal saliva or refluxed milk. These gurgling noises are likely to build up during sleep. Slowly, the newborn learns to swallow more often. Nasal Noises are usually caused by dried mucus in the nose.
It usually occurs between 6 and 9 months. Babbling turns into baby jargon, or “nonsense speech.”
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How is an industrial society likely to address the problem of producing too
much air pollution?
A. By cutting down forests to produce more pastureland
B. By developing and using wind energy technologies
C. By requiring licenses for hunting and fishing
D. By having power plants switch from burning coal to burning oil
Answer:
B. By developing and using wind energy technologies
Explanation:
Wind energy is a clean and renewable resource that can help to reduce air pollution. Wind turbines work by converting the kinetic energy of the wind into electrical energy, which can then be used to power homes and businesses. By increasing the use of wind energy, we can reduce our reliance on polluting fossil fuels and help to create a cleaner, healthier world.
This disease is caused by strains of streptococcus pyogenes which produce an erythrogenic toxin due to the presence of a lysogenized bacteriophage?
The scarlet fever and types of erythrogenic toxins are produced by the streptococcal strains.
The scarlet fever is a streptococcal disease. The erythrogenic toxins produced by GABHS are the cause of the rash of scarlet fever.
The scarlet fever is also known as "scarlatina" in old literature references.
It is a syndrome which is characterized by exudative pharyngitis ,fever, and bright-red exanthem. The cause of it is streptococcal pyrogenic exotoxins (SPEs) types which are as- A, B, and C produced by group A beta-hemolytic streptococci (GABHS) found in secretions and discharge from the nose, ears, throat, and skin.
Although scarlet fever may follow streptococcal wound infections or burns, as well as upper respiratory tract infections.
Attached with this is the image for Scarlet fever.
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Which of the following statements might someone use to most support a decision to buy organic produce?
The agricultural demand has caused water shortages in many areas.
The living conditions of livestock have decreased due to overcrowding.
The use of chemicals on crops poses known health risks to humans.
The application of pesticides has had a negative environmental impact.
The use of chemicals on crops poses known health risks to humans. this statement most support a decision to buy organic produce.
The agriculture industry has become more industrialized, which has increased the chemical load on the environment. Agrochemicals known as pesticides are applied to agricultural fields, public health initiatives, and urban green spaces to protect people and plants from numerous diseases. Their side effects, however, can be a significant environmental health risk factor due to their proven capacity to have a wide range of detrimental health and environmental impacts.Produce that is organic uses fewer pesticides.Because organic food lacks preservatives that extend its shelf life, it is frequently fresher.Organic farming typically benefits the environment.Animals kept organically are not fed animal byproducts, growth hormones, or antibiotics.learn more about organic produce here: https://brainly.com/question/14318031
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What are the ""bruce lees"" of the immune system? why did they compare them to the real bruce lee?
Answer: Iron deficient macrophages are the Bruce Lees of the immune system.
The high level of diversity in the fossils found at the sites of Jebel Irhoud, Omo, and Herto in Africa support
The first fossils of Homo sapiens are found across the African continent: Jebel Irhoud, Morocco (300,000 years old), Florisbad, South Africa (260,000 years old) and Omo Kibish, Ethiopia (195,000 years old). This indicates a complex evolutionary history of our species, possibly involving the entire African continent.
Where was the oldest human fossil found?Named Omo I, the fossils were found in the 1960s, in the Omo Kibish Formation, Ethiopian part of the Rift Valley, in the eastern portion of the African continent. The region is an area of high volcanic activity and a rich source of early human remains, as well as artifacts such as stone tools.
With this information, we can conclude that The oldest fossils ever found of modern humans (Homo sapiens) are at least 233,000 years old.
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Which metabolic pathway requires a proton gradient?
a. the oxidation of pyruvate to acetyl coa .
b. the citric acid cycle.
c. oxidative phosphorylation.
d. glycolysis fermentation.
Oxidative phosphorylation requires a proton gradient.
Cells use enzymes to oxidize foods in the metabolic pathway known as oxidative phosphorylation, electron transport-linked phosphorylation, or terminal oxidation, which releases chemical energy to create adenosine triphosphate. This happens inside mitochondria in eukaryotes. The majority of the energy required for biosynthesis, maintaining a healthy ion balance, and mechanical effort is provided by oxidative phosphorylation, which is the principal source of ATP in higher animals.A succession of proteins and electron carriers in the mitochondrial membrane, as well as the electron transport chain, are all involved in the process of oxidative phosphorylation.learn more about Oxidative phosphorylation here: https://brainly.com/question/13254827
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A student did an experiment with ice. A beaker of ice was placed on a hot plate for 30 minutes and its temperature was recorded after every 5 minutes. The table below represents how the temperature and state of ice changes with time.
Time from start (in minutes) 0 5 10 15 20 25 30
State of matter in beaker ice water P water Q steam steam
Temperature of matter in beaker (in ° C) 0 0 50 80 100 100 142
What do the labels P and Q most likely represent?
both P and Q represent ice
both P and Q represent water
P represents ice and Q represents steam
P represents steam and Q represents ice
From the table, we can see that P and Q represent water. (Option B)
What does P and Q represent?We know that the liquid range of water is 0 - 100 degrees Celsius. Within this temperature range, water exists as a liquid substance.
Looking at the table we can see that the temperatures of P and Q are 50 and 100 degrees Celsius respectively hence both P and Q represent water.
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Blood transport_________ from the lungs to all the cells of the body.
Answer:
Blood transports oxygen from the lungs to all cells of the body.
Explanation:
In the circulatory system , a person breaths in air which is then filtered for oxygen an d the rest of the components are discarded through exhaling .
The oxygen is then taken in by air sacks which later combines blood with oxygen , so hemoglobin which is a blood component takes it to form oxyhemoglobin , which runs through the blood vessels , to the cells for consumption .
The cells will then deposit the deoxygenated blood which returns back tot he heart and then lungs for oxygenation .
Biological membranes are selectively ______, meaning they allow only specific types of molecules to pass into or out of the cell.
Biological membranes are selectively permeable as it allows only some substances and molecules to pass into or leave the cell. Selective permeability is defined as ability of the cell membrane to allow certain substances to pass through while keeping others out. Molecules can selectively pass through the cell membrane, small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.
Plasma membranes allow certain substances to enter and leave a cell, while preventing harmful material from entering and essential material from leaving. In other words, plasma membranes are selectively permeable they allow some substances through but not others.
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Natural resources, or land, can include the fertility of the land, minerals below it, and what other aspects? human resources human resources water water human capital resources
Natural resources, or land, can include the fertility of the land, minerals below it, and water.
Natural resources are those that are derived from nature and used largely unaltered. This encompasses the origins of desirable traits like those used for business and industry, aesthetic appeal, scientific curiosity, and cultural significance. Natural resources include things like stone, sand, metals, oil, coal, and natural gas. Air, sunlight, soil, and water are examples of other natural resources. Plants, fish, birds, and animals are all examples of natural resources. Food, fuel, and raw materials for the manufacture of commodities are all made with the help of natural resources.One of the most significant natural resources that emerges from forests is water.
Natural land regions benefit from the nutrients, water, oxygen, and heat provided by the soil.
The third essential resource for people, animals, plants, and all other living things in a natural environment is air.
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Natural formation processes include such activities as plowing, building structures, or making tools.
False - plowing, building structure or making tools are not natural formation process.
Natural formation processes are not the man made process.
The natural and human-made processes known as formation processes are what give the archaeological record its shape. whereas environmental elements that affect the conservation of archaeological artifacts are natural formation processes.
Natural formation processes includes floralturbation, faunalturbation, cryoturbation, argilliturbation, and graviturbation.
Floralturbation is the disruption of vegetation caused by tree roots.
Plowing, building structure and making tools are the human made process.
Hence, It is false statement.
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In plants, the reproductive structure that produces pollen and seeds is the __________.
Group of answer choices
phloem
xylem
gametophyte
flower
five factors affecting self pollination and cross pollination. Give five for each, pls help me ASAP
Which statement best describes how Nixon’s resignation speech and the Washington Post article on the resignation address the same subject in different ways?
A. In the speech, President Nixon describes the views of his family, friends, and staff, but the article does not include any information about those people’s feelings or beliefs.
B. While the article focuses only on the immediate events, the speech presents Nixon’s resignation within a broader context of world history.
C. The speech is intended to present President Nixon in the best possible way, while the article offers a neutral presentation of President Nixon.
D. The article offers a specific year-by-year list of President Nixon’s accomplishments during his presidency, while the speech focuses solely on what happened in his last year in office.
The speech is intended to present President Nixon in the best possible way, while the article offers a neutral presentation of President Nixon. Option C
Why did Nixon resign?Nixon was forced to resign because he was indicted by house committee that accused him of obstructing the course of justice and holding the congress in contempt.
The statement best describes how Nixon’s resignation speech and the Washington Post article on the resignation address the same subject in different ways is; "The speech is intended to present President Nixon in the best possible way, while the article offers a neutral presentation of President Nixon." Option C
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Which of the following options best depicts the flow of information when a gene directs the synthesis of a cellular component.
That depicts the flow of information when a gene directs the synthesis of a cellular component is DNA → RNA → protein.
The pathway for the flow of genetic information-
In biological systems, the basic flow of genetic information is sometimes represented with a diagram known as "the central dogma". According to this model, transcription converts DNA information into RNA, which is then translated into proteins.Which of the following best describes the flow of information in cells?
Gene-specific DNA sections are copied to create mRNA. mRNA provides a code that specifies the order of amino acids in a protein, and ribosomes employ this code as instructions.The correct order for the flow of information in cells-
According to the core dogma, the information pattern that occurs in our cells the most commonly is: From existing DNA to produce new DNA (DNA replication) New RNA is created from DNA (transcription) to create new proteins from RNA (translation).
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Type up your dichotomous key and answer the following questions:
Why did you choose the five identifying characteristics you used in your dichotomous key?
Was the person who you gave your key to able to accurately identify the fruit? Explain why or why not.
What two other fruits could your dichotomous key work for?
What other category of items could you create a dichotomous key for?
My dichotomous key are;
Is it fresh.Does it have an even taste.Does it have any seed.Is it soft and fluffy.Are they greenWas the person who you gave your key to able to accurately identify the fruit?Yes, and it is known to be an apple fruit.
What two other fruits could your dichotomous key work for?It could be used for a pear or a straw berry.
What other category of items could you create a dichotomous key for?I can create for a bird and animals.
What is a Dichotomous Key?This is known to be a method used to know a species by answering a number of questions that is set based on some likely features (such as physical characteristics)
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A hanging person meets instant death why??
One or more of the following medical issues, some of which are fatal, may result from a hanging: cerebral hypoxia caused by carotid artery closure.
What is cerebral hypoxia?Cerebral hypoxia is a condition where there is insufficient blood flow to the brain but a reduction in oxygen supply.
Patients who suffer from cerebral hypoxia-induced brain damage can benefit from treatments. However, no one is capable of reviving lost brain tissue or healing a brain damage. The illness may cause permanent brain damage. It can be fatal if it goes on for too long.
A hanging may cause one or more of the following medical conditions, some of which are fatal: Closure of the carotid artery results in cerebral hypoxia.
The jugular veins are sealed along with cervical fracture, which can result in acute spinal cord damage or even unintentional decapitation.
Thus, due to this, hanging person meets instant death.
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According to the onandaga creation story, where do the seeds that for the trees, grass, and flowers on earth come from?
The seeds that for the trees, grass, and flowers on earth come from branch of the great tree of Skyland.
What is the Onondaga creation story?
When the Earth grew then the two Swans let the wife rest on the Great Turtle's back. When the wife comes to Earth, she opened her hand and the seeds from the Great Tree fell to the earth. Then from those seeds tress and the grass start growing. Life on Earth had now begun in the form of trees, grass and flowers. from branch of the great tree of Skyland the seeds that for the trees, grass, and flowers on earth come.
So we can conclude that the seeds that for the trees, grass, and flowers on earth come from branch of the great tree of Skyland.
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