Carbohydrates are excellent source for quick energy because they are easily broken down by the process of hydrolysis. This happens because carbohydrates are easily soluble in water due to the various polar OH groups attached to its carbons.
Carbohydrates are one of the most essential food component required in diet. There are three types of carbohydrates: monosaccharides, disaccharides and polysaccharides. Chemically, carbohydrates are polyhydroxy ketones or aldehydes.
Hydrolysis is the reaction where the water molecules break the bonds of the substance subjected to hydrolysis. The water itself also gets decomposed in the process.
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paranasal sinuses a. lighten the skull b. act as resonance chambers for sound c. produces mucus d. all of the above
paranasal sinuses are paired and symmetrical, air-filled cavities situated around the nasal cavity. the correct option is (D).
They are found in three bones of the neurocranium (braincase), the frontal bone, ethmoid bone, and sphenoid bone all of the above. The function of the paranasal sinuses is to protect the organism Which is done mostly by humidifying the air which is inhaled and facilitating the immune response of the respiratory system.
Also, the sinuses are generally air-filled spaces that decrease the weight of the head and impact the resonance of the human voice.
The nares and anterior portion of the nasal cavities are generally lined with the mucous membranes and it contains sebaceous glands and hair follicles, this serve to prevent the passage of large debris ( dirt) through the nasal cavity.
Types - Frontal sinuses
Ethmoidal cells (sinuses)
Maxillary sinuses
Sphenoidal sinuses
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which situation would be the most likely result of a mutation in a eukaryotic organism that causes it to produce less p21 protein than normal?
Mutation in a eukaryotic organism is most likely to cause destruction of cells with radiation-induced DNA which leads to production of less p21 protein.
Mutation refers to the process of producing diversity in characteristics by altering the genetic sequence. The alteration may include deleting, inserting or simple rearranging of chromosomes.
Eukaryotic organisms are organism that have their nucleus clearly defined and protected by a nuclear membrane.
When these types of organisms go through the process of mutation, the DNA of cells in which radiation is induced get damaged, this destruction is continued throughout the cell cycle and damaged DNA is not repaired. This causes the division of cells to be slower than usual because now the organism will produce lesser p21 protein.
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Energy efficient appliances can greatly reduce the amount of energy used in a household, saving money and conserving resources. Should appliance manufacturers be required by law to only build energy efficient appliances?
Our electricity costs make up about 30% of our monthly expenses, and some families spend even more. It is difficult to produce electricity, and there are significant environmental risks involved. Because of this, groups and the government are promoting people to produce and buy energy-saving and tools and practices.
benefit of energy efficient appliances
It saves money; as a result, the majority of appliance manufacturers are now producing energy-efficient equipment. These appliances used to be a little pricey, but they are now more reasonable. However, some people find it difficult to use energy-saving gadgets. Your home's energy bills are strongly correlated with how much energy you use at home or in your business. The amount of energy consumed in your home will drastically decrease if you utilize energy-efficient appliances
It also saves energy; the energy consumption in your home will be greatly decreased when you utilize energy-efficient equipment, which will result in lower energy costs. Energy-efficient gadgets have the noticeable quality of using little energy when operating. This implies that you will save a lot of energy using these appliances, and you can use that energy to complete other jobs around the house.
In conclusion, energy-saving bulbs, solar water heaters, and booster water heaters are a few common examples of energy-efficient appliances. These appliances' construction permits them to function at low energy and temperature settings, which enables them to continue working until their tasks are finished.
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These can occur when electricity ignites explosive gases in the air, such as pure oxygen, methane, or natural gas.
Answer:
These can occur when electricity ignites explosive gases in the air, such as pure oxygen, methane, or natural gas;Explosions
Explanation:
No explanation really needed hence the fact it says when electricity ignites explosive gases in the air.
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describe the scale of the infertility problem in ontario
It has been shown that the scale of infertility in Ontario has significantly increased since 16 percent of couples may experience this problem when this value was only 8 percent in less than four decades.
What do infertility problems mean?The expression infertility problem makes a reference to all types of health problems associated with the fertilization process such as for example, the presence of toxicants in the water that may alter sperm count number under the microscope.
It has been shown that infertility problems have increased considerably in several cities in Canada, where the rate double in the last forty (40) years.
Causes of infertility include:
Tobacco consumptionAlcohol Ovulation disorders in womenOverweight and or underweightOverexerciseTherefore, with this data, we can see that infertility problems have dramatically increased in some cities of Canada including Ontario, thereby an integral view of the problem is required to solve this issue.
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bile acids (part of bile) work as emulsifiers to aid in fat digestion. after fat digestion in the small intestine is complete, what happens to most of these bile acids?
After the fat has been digested, fatty acids are passed through the lymph system and then pass throughout the body.
Bile may be a liquid that's made and discharged by the liver and put away within the gallbladder. Bile makes a difference in digestion. It breaks down fats into fatty acids, which can be taken into the body by the stomach-related tract. Bile contains Mostly cholesterol Bile acids Bilirubin, Water Body salts such as potassium and sodium, Copper, and other metals. After the fat has been processed, fatty acids are passed through the lymph system and after that through the body through your bloodstream to be utilized or put away for energy, development, and cell repair.
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why did kohler and lipton start by repeating a previous experiment? they wanted to make sure they could reproduce the results in their own laboratory. the more times the same result is obtained, the more confidence a researcher has in the results. they wanted to confirm that chicken cells behave similarly to mouse cells. they wanted a baseline for comparison to further studies involving purified platelet proteins. all of the answer options are correct.
To make sure that they could reproduce the results in their own laboratory, Kohler and Lipton started by repeating a previous experiment.
The experimental research is a methodical and scientific approach to study where the researcher manipulates one or more variables, controls the change in other variables, and assesses the change. When repeating a previous experiment, Kohler and Lipton may be trying to reproduce the results already known in their own laboratory. If the results were produced same, they would be more confident about the experiment. Or if the result was not the same, they would have derived a new explanation for the scientific hypothesis.
A hypothesis is often accepted as true or rejected as erroneous based on the outcomes of scientific evaluation. Even theories that have been proven accurate by scientific evidence are, however, subject to later rejection when new data becomes available since a hypothesis is intrinsically falsifiable.
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Which statement best represents the process through which evolution occurs?
Responses
Answer:
Theory of evolution states that the organisms which are fit will survive and they will be able to increase their generations
which molecule or reaction supplies the energy for polymerization of nucleotides in the process of transcription? atp only the phosphate bonds in the nucleotide triphosphates that serve as substrates the energy released when hydrogen bonds are broken as the dna molecule is unwound the interaction between rna polymerase and the promoter
The phosphate bonds in the nucleotide triphosphate substrates supply the energy needed for the polymerization of nucleotides during transcription.
comprises the polymerization of nucleotides to produce water molecules and phosphodiester bonds. Nucleotides are frequently found in the final structure, which resembles the core of an RNA molecule.
Long, unbranched polymers of nucleotides are known as nucleic acids. Pentose, a nitrogen base, as well as a phosphate group make up each nucleotide monomer.
Despite the fact that an enzyme is a part of the polymerization process, the overall reaction is really only an esterification between an alcohol and a phosphoric acid. The alcohol group is on the 3 end of the sugar, and the phosphorus acid group is on the 5 end of the nucleotide's next-reacting nucleotide.
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which type of pacing involves the placement of large patch electrodes on the anterior and posterior chest wall that can be connected by a cable to an external pulse generator?
Large patch electrodes that may be connected to an external pulse generator are placed on the anterior and posterior chest walls during transcutaneous cardiac pacing (TCP). Since there is only one form of pacing that may be accessed from the outside, that type is transcutaneous cardiac pacing (TCP).
Transcutaneous cardiac pacing (TCP) is a short-term method for pacing a patient's heart in an emergency and stabilizing them until a better long-term method of pacing is found. Electric current pulses are administered via the patient's chest to cause the heart to contract.
In conscious patients, transcutaneous cardiac pacing (TCP) enables quick, effective, and noninvasive ventricular stimulation to treat symptomatic bradycardias, including atropine-resistant unstable bradycardia in the emergency room.
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the protein molecule formed in-vivo when a foreign material is introduced into an immunocompetent individual is a
Antibodies are protein molecules that the body produces in reaction to the introduction of foreign substances (also known as antigens or immunogens).
When an organism's immune system comes into contact with a foreign molecule for the first time (usually a protein), specialized cells like dendritic cells and macrophages seize the molecule and start to break it down so that they can transmit these antigens to B cell lymphocytes. A process known as somatic hypermutation enables the B cell to start coding for a new antibody after antigen presentation to the B cell lymphocytes has taken place. This antibody will have a distinctive Antigen Binding Site in the variable region that can bind specifically to an epitope from the antigen.
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nuclieotide that is substituted for thymine in an rna molecule
Explanation:
uracil.
uracil is present in RNA instead of thymine.
What structure is in some plant cells but not all
Answer: The vacuole is found in some plants cells but not all of them like the Mature cells.
Explanation:
an ecologist recorded 12 white-tailed deer per square kilometer in one location and 200 deer per square kilometer in another location. what was the ecologist comparing?
The ecologist was contrasting density.
What variables influence population change?Demographers often concentrate on four key variables when attempting to predict changes in population size: fertility rates, death rates (life expectancy), beginning age distribution of the population (whether it is relatively elderly or young to begin with), and migration.
Which of the following can contribute to population regulation that is density dependent?Competition and predation, which affect birth and mortality rates, can have an impact on density-dependent regulation. Abiotic elements and environmental factors, i.e., extreme weather and conditions like fire, can have an impact on density-independent regulation.
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What would happen if Earth absorbed all of the heat from the sun? (1 point)
Responses
Earth would lose all of its heat.
Earth would lose all of its heat.
Earth would eventually stop receiving heat.
Earth would eventually stop receiving heat.
Earth would become too hot.
Earth would become too hot.
Earth would become too cold.
the parts of the tongue that perform the same function as rods and cones of the eye are the group of answer choices taste buds. papillae. basilar membranes. pacinian corpuscles.
Taste buds is the parts of the tongue that perform the same function as rods and cones of the eye .
Human retina has two types of photoreceptors rods are responsible for vision at low light levels, cones are responsible for vision at higher light levels. Like wise Taste buds contain the taste receptor cells, which are also known as gustatory cells.
Taste buds are sensory organs that are found on your tongue and allow you to experience tastes that are sweet, salty, sour, and bitter. The taste receptors are located around the small structures known as papillae found on the upper surface of the tongue.
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Marine Science How does a sperm whale’s body adjust to hydrostatic pressure? please explain
Sperm whales have the ability to plunge down to 2000m which is 200 atmospheres in pressure. This pressure is continuously exerted on the top of its body. Now, whales have access to reserve oxygen in their blood and muscles.
What is Hydrostatic pressure?Hydrostatic pressure may be defined as a type of pressure that is generated by the force of fluid within or outside of the capillary on the capillary wall. The migration of blood from one region to another stimulates some sort of hydrostatic pressure.
As Whales have more than 2x the hemoglobin in their blood while humans have 10x the myoglobin. A sperm whale can plunge down more than 2,000 meters and can remain inundated for up to an hour.
The fluid of the sperm whale hardens as strongly as wax when it is exposed to cold. This supports the whale altering its buoyancy so it can dive deep and rise again.
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The ______ of a synovial joint encloses the joint and prevents bone ends from being pulled apart.
The Joint capsule of a synovial joint encloses the joint and prevents bone ends from being pulled apart.
The joints of the limbs and other bones that rub up against one another are examples of synovial joints (e.g. shoulder, hip, elbow and knee). It has a fluid-filled joint cavity as a defining characteristic.
The ends of the bones are covered in slick cartilage in a synovial joint. A synovial membrane-lined joint capsule that produces synovial fluid surrounds and protects the two of them. The fluid, muscles, and connective tissues are shielded by the capsule.
The synovial joint's interior is enclosed by the joint capsule, which resembles a sac-like membrane. The bone ends of each involved bone have specific attachment zones where the joint capsule, which is a dense fibrous connective tissue, is attached.
Hence when the bone is pulled apart this joint capsule protects the joint.
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you are infected with a pathogen; it is your first exposure to this pathogen. the first antibody types that will eventually appear in your blood to help fight this infection will be: a. iga b. igd c. ige d. igg e. igm
Igm the first antibody types that will eventually appear in your blood to help fight this infection.
What does the medical term IgM mean?Inflammatory globulin M (IgM): This is the initial antibody the body produces to combat a new infection, and it is primarily found in blood and lymph fluid. IgE, or immune globulin E: Typically present in blood in trace levels. Increased levels may occur when the body overreacts to allergens or is battling a parasitic infection.
Why is IgM positivity significant?When a virus infects, the immune system often produces IgM as the initial antibody. An IgM test that is positive suggests that you may have just been exposed to an infection, had a vaccination, and your immune system is now responding to the vaccine.
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which human activity is responsible for overloading the nitrogen and phosphorus cycles? overhunting of wild game species clearcutting of forests for lumber runoff of fertilizer from agricultural areas increased uptake of water in urban areas
The human activity which is responsible for overloading the nitrogen and phosphorus cycles is runoff of fertilizer from agricultural areas.
What is fertilizer?In general, fertilizers are described as "any item, organic or inorganic, natural or manufactured, which supplies one or more of the chemical elements essential for the growth of the plant." The three fundamental plant nutrients—nitrogen, phosphorus, and potassium—are included in the majority of fertilizers used in agriculture.
What is the use of fertilizer in agriculture?Fertilizers are supplementary materials that are given to the crops to boost productivity. Farmers utilize these on a regular basis to boost crop productivity. Fertilizers give plants the nutrients potassium, phosphorus, and nitrogen so they can grow larger, more quickly, and generate more food. Every living thing on Earth needs nutrients to develop, but nitrogen in particular is crucial.
Thus from the above conclusion we can say that the human activity which is responsible for overloading the nitrogen and phosphorus cycles is runoff of fertilizer from agricultural areas.
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What type of hormones use second messengers in a cascade of reactions that trigger a cell response?.
G-protein use second messengers in a cascade of reactions that trigger a cell response
Understanding G-protein
G protein plays a role in managing the initial (extracellular) signal received by the receptor and then forwarding it into the cell (intracellular) which triggers the activation of cellular responses, namely effector proteins that play a role in various cell responses such as development, growth, hormone regulation, et al. The scalar here refers to the role of the on/off G protein in managing signal transduction.
This protein is a push button located next to a specific protein receptor on the cell, this protein can trigger the activation of a protein (effector protein) such as an enzyme. The G protein is able to bind to the guanosine-5′-triphosphate (GTP) molecule, the message it carries is a specific signal transduction. The first activation is able to produce effector proteins that will later form the second messenger (second message), the second message can forward the first message to carry out an intracellular response, for example a common effector protein such as adenylyl cylase can produce cAMP as a second message. Other second messages include inositol phosphate and calcium ions.
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how do transfer rnas (trnas) bring the correct amino acid to the growing polypeptide? answer unselected by complementary base pairing between the trna anticodon and the messenger (mrna) codon unselected by complementary base pairing with the gene in the nucleus unselected none of the listed responses is correct. unselected by base-pairing with the ribosomal rna (rrna)
Transfer rRNA bring the correct amino acid to the growing polypeptide By complementary base pairing between the tRNA anticodon and the messenger (mRNA) codon.
Complementary base pairing evolves binding of DNA to complementary base pairs, guanine always binds to cytosine and adenine always binds to thymine. But in RNA replaces thymine pairs with different pyrimidine base called uracil .
Complementary base pairing molecule allows the base pairs to be arranged in the more energetically favorable way. These base pairing makes double-helical structure of DNA. It is also important in replication of DNA as it allows semiconservative replication.
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when during the cell cycle are chromosomes visible under a microscope? multiple choice only when they are being copied only during interphase chromosomes are always visible only during the g1 phase
Chromosomes are visible under a microscope during mitosis, more specifically when they're being copied.
During interphase, chromosomes are not really visible under a microscope. It's because they only exist in the form of loosely condensed chromatin fibers in this phase, making them hard to see.
Chromosomes only began to become visible during prophase, when centrioles start to move to the opposite poles of the cell. In this phase, chromatin is condensed, which makes individual chromosomes become visible. It will stay visible until the end of cell division but is most easily visualized during the metaphase (the phase that follows prophase).
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hich statement describes the environmental impact of developing countries? individuals in these countries have to degrade the environment to meet basic needs. these countries leave the largest ecological footprint. individuals in these countries benefit from efficient food distribution systems. these countries rely on technology to improve
The statement which describes the environmental impact of developing countries accurately is : Individuals in these countries have to degrade the environment to meet basic needs.
Pollution is one of several environmental issues confronting the globe today. In developing countries, the effects of pollution are more severe, causing millions of people each year to suffer from poor health, pass away, or become disabled. Developed nations have the means and tools to fight pollution.
The high levels of pollution in developing countries are caused by a combination of reasons including low income levels, high costs of improvement, political problems that hinder effective governance, and market failures.
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Using the mRNA codons, identify the amino acids. (1 POINT)
Answer:
1. AUG- Methionine
2.CUG-Serine
3.ACC-Threonine
4. UAG-Amber
Explanation:
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Charged ions are traveling through a cell membrane with the concentration gradient. Which process is represented here?.
Charged ions are traveling through a cell membrane with the concentration gradient this is by Diffusion.
Diffusion is the transfer of a substance's individual molecules from a region of higher concentration to a region of lower concentration over a semipermeable barrier. The type of interaction between the medium and the substance affects the rate of diffusion.
Simple diffusion is one type of diffusion that can be aided by another molecule.
Simple Diffusion is the movement of molecules along their concentration gradient in the absence of any other molecules' direct participation. It may entail the movement of a particle over a membrane or the dispersion of a substance through a medium.Diffusion must take place in the presence of another molecule (the facilitator) in a process known as facilitated diffusion. Large or polar molecules must be transported by facilitated diffusion.To know more about Diffusion visit the link:
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what environmental variables might affect the net rate of photosynthesis? list at least two. why do you think they would affect it? how do you predict they would affect it? 3. what features or variables of the plant leaves might affect the net rate of photosynthesis? how and why? 4. could the way you perform the procedure affect the outcome? of the outcome changes, does it mean the net rate of photosynthesis has changed? why do you think that?
Photosynthesis is one of the most process in the plants and there are large number of factors like sunlight, oxygen, CO2, water etc. that affect the rate of photosynthesis.
1. the plant's exposure to temperature, carbon dioxide levels, and light levels. Because photons of light energy are required to excite the electrons in the thylakoid membrane, these parameters will have an impact on the photosynthesis process. In the absence of sufficient CO2, Rubisco will adhere O2 to RuBP rather than CO2.
3. The amount of water in the plant is a variable that might have an impact on the net rate of photosynthesis. The stomata are closed in plants with high water content, whereas they are open in plants with low water content. The stomata enable carbon dioxide to enter plant cells, ultimately performing photosynthesis.
4. Yes, while using a different kind of plant during the performance, the technique could modify the final result. The rate of photosynthesis may have sped up or slowed down if the leaves didn't drop to the bottom after being placed inside the container. I think this because, in contrast to the leaves that had sunk, the leaves that were suspended in the middle of the container had an advantage when ascending to the top.
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How can the increase demand on water affect water quality
Answer: As warmer temperatures increase the demand for water, the amount of freshwater available may decline and increase competition for water resources in some areas.
Answer:
As the demand for water increases, People will first of all opt for clean water, for better health, e. t.c. But as this demand increases, the source of clean water decreases affecting the purity of water
Used within animal cells to help the cell divide?
Answer:
Every animal-like cell has two small organelles called centrioles. They are there to help the cell when it comes time to divide. They are put to work in both the process of mitosis and the process of meiosis.
Explanation:
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Lancelets display how many of the four major characteristics of the phylum chordata?.
Lancelets display all four major characteristics of the phylum Chordata.
The order Amphioxiformes includes approximately 32 species of fish-like maritime chordates known as "lancelets." They are widespread throughout the world and can be found in the sand in tropical and temperate waters.
Like all cephalochordates, the lancelet has a head. The four essential characteristics of chordates remain in adult lancelets: pharyngeal slits, which filter out food particles, receive water from the mouth. a notochord, a hollow nerve cord on the dorsal side, and a tail. The atriopore is where filtered water leaves the body and collects in the atrium.
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