which one of the following nucleotide bases is not found in rna? a)adenine b)thymine c) guanine d) cytosine

Adding an enzyme to a solution in which its product and substrate are in equilibrium The system's free energy will alter.

Digressionary enzymes are produced by your pancreas, small intestine, and stomach. The "powerhouse" of digestion's enzymes is actually the pancreas. The most crucial digestive enzymes, which break down proteins, lipids, and carbs, are produced by it.

In our bodies, every chemical action and reaction requires a certain amount of energy, which is carried by enzymes, which are protein molecules. The human cell has about 1300 different types of enzymes. Digestive enzymes from natural sources They can help your digestion if you eat them. Honey, particularly raw honey, contains amylase and protease.

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The side chain of a serine molecule has an aliphatic -OH, a polar bond that may create an H-bond with a water molecule. A partial charge intermolecular contact is called an H-bond.

Only once -OH is deprotonated may serine form a covalent connection with another substrate in the enzyme pocket.

The side chain of isoleucine is aliphatic, nonpolar, and hydrophobic. It can only engage in Van der Waals interaction with proteins. Proteins must contain polar aminoacids on their surface that may interact with water in order to be soluble in an aqueous environment.

Serine's side chain is hence polar and hydrophilic. With the watery environment, intermolecular attraction would develop in molecule. The hydrophobic, nonpolar side chain of isoleucine. The watery environment would resist it. Since the isoleucine side chain prefers to remain on the inner of the protein, this modification may modify the protein's overall structure.

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Human skeletal muscle fiber has the highest oxidative capacity is type I.

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The benefit of viewing a specimen at 40x in preference to at 400x magnification is accelerated discipline of view and offer extra information about the specimen.

Specimen is described as a unmarried plant or animal this is investigated through professionals as an instance of a particular species or type.

It also can be described as a issue or character used to symbolize an entire mass or number; a feature plant, mineral, issue, animal, etc. a part of a chemical or fabric for checking out or research: a tissue sample; a urine sample. a particular or strange form of character.

Thus, the benefit of viewing a specimen at 40x in preference to at 400x magnification is accelerated discipline of view and offer extra information about the specimen.

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A country with an age distribution graph in the shape of an inverted (upside down) triangle, (with would be experiencing declining future population growth.

The term "diminishing" refers to a graph with an inverted "pyramid" or triangle shape age structure, which shows a population that is getting smaller. The population will decrease since the generations in reproductive years have given birth to a generation that is smaller than themselves. With its broad top and noticeably narrower base, the inverted triangle shape demonstrates all of this. Therefore, option B marks the right choice.

Comparing differences between a region's male and female populations can be done using a population pyramid. Additionally, they display the total number of dependents (children and, occasionally, elderly people) as well as the demographic makeup of the population at any given time.

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Answer:

The enzymes in the detergent have an optimal temperature closer to that of the warm water at which they have the greatest reaction velocity.

Explanation:

Enzymes function best at a specific pH and temperature. This is due to the chemical characteristics of the enzyme. In this case it was observed that the enzyme was able to clean better at a higher temperature. To test this you could measure the reaction velocities using a kinetic enzyme assay that uses a spectrophotometer to measure the absorbance of a sample over a period of time to record the change. The independent variable would be the temperature.

Answer: i know this isnt about the question but i just wanted to say thank you so much for helping me with punnet squares again!! i hope you have an amazing day <3

Explanation:

Answer:

Discontinuous layer of water

The hydrosphere is the combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite. Although Earth’s hydrosphere. The hydrosphere is vital to support human existence. It provides drinking water, water for agricultural purposes, and food and nutrients from fish and plants.

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Lymphocytes are divided into two main types, namely B lymphocytes and T lymphocytes. B lymphocytes make antibodies, and T lymphocytes help kill tumor cells and help control the immune response.

Both originate from stem cells in the bone marrow and initially have a similar appearance.

Lymphocytes are a type of immune cell made in the bone marrow and found in blood and lymph tissue. B cells are so named because they develop in the Bursa of Fabricus (in birds) or in the bone marrow (in humans). While T cells are so named because they develop in the thymus.

Some lymphocytes migrate to the thymus, where they mature into T cells and others remain in the bone marrow, where they eventually develop into B cells.

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These substances are all mutagens.

Many mutagens are employed to kill cancer cells because they are very harmful to growing cells. Chemotherapy may involve the use of intercalating drugs like daunorubicin and doxorubicin as well as alkylating agents like cyclophosphamide and cisplatin.

Additionally, lesions that increase the number of single-stranded regions in the genome may be introduced by mutagens that rapidly degrade DNA, leading to even higher frequencies of recombination.

A mutagen is a substance that can permanently alter cells' genetic material, perhaps resulting in heritable genetic harm or cancer.

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The frequency of the bb genotype in the population of 10.000 individuals will be 0.03.

Frequency is the number of times the target genotype repeats divided by the total genotypes in a population. Thus the genotype bb repeats 300 times in the population, Therefore the frequency will be 300 / 10.000 = 0.03.

Genotype is the genetic composition of an organism. It is the representation of any trait of an individual. Genotype can be homozygous or heterozygous. Homozygous is the type where both the alleles are of same type and heterozygous is the type where both the alleles have contrasting effects.

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The past of the earth was like that there were Similar tectonic movements were occurring.

What is tectonic plates?

Plate tectonics is used to define that, there is a widely held scientific idea that the Earth's lithosphere is made up of a series of huge tectonic plates that have been moving slowly since around 3.4 billion years ago.

Tectonic plates clashing now is causing some mountain ranges to rise, and earthquakes are sometimes produced by tectonic plates moving against each other. Similar tectonic motions were present in the past of the world.

Therefore, option D is correct.

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Adenosine triphosphate (ATP) molecules are produced from the breakdown of sugar and are used as an energy source.

The physical processes (such as breath and diffusion) via which a living creature acquires the oxygen it wants to make energy and get rid of waste gases include the act or activity of breathing (as carbon dioxide)

The primary goal of breathing is to deliver oxygen to the cells at the a rate sufficient to meet their metabolic requirements. Through the skin's circulation, oxygen is transported from the lungs to the tissues through this process.

There are two varieties of breathing: The process of aerobic respiration occurs when there is oxygen present. Absence of oxygen results in anaerobic respiration.

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Amphiarthroses joints are slightly movable joints.

What are amphiarthroses joints?

The singular form of amphiarthroses is amphiarthrosis. The bones in these kinds of joints are connected together by the hyaline cartilage or the fibrocartilage.

These amphiarthroses joints impart slight mobility while at the same time maintaining stability between bones adjacent in the vertebral column.

Amphiarthroses joints are also called symphysis or syndesmosis. Amphiarthroses joints can also be called cartilaginous joints as the bones are connected by cartilage. Examples of amphiarthroses joints are the pubic symphysis of the pelvis, which is a cartilaginous joint that holds together the right and left hip bones of the pelvis.

Therefore, Amphiarthroses joints are only slightly movable joints, but aren’t highly mobile.

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Inactivating the proteins associated with lipid metabolism is the fastest way that the cell can adjust to this change.

What is lipid metabolism?

Lipid metabolism describes the synthesis and decomposition of lipids within cells. It involves the production of structural and functional lipids, such as those required for the development of cell membranes, as well as the storage or breakdown of fats for energy. These fats may be naturally consumed by animals from diet or may be produced by the liver.

Lipid metabolism is crucial for controlling the ageing process.

Age-related disorders and ageing are modulated by lipid -related therapies in a variety of model species, according to experimental evidence that lipid metabolism is altered during ageing.

Therefore, Inactivating the proteins associated with lipid metabolism is the fastest way that the cell can adjust to this change.

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The whole epithelial populace is replaced about every four to 7 days.

The small gut consists of 3 elements duodenum jejunum and ileum. It enables to similarly digest food popping out of the stomach. It absorbs nutrients and water from meals and makes them to be had to the frame. The small gut is a part of the digestive device. A healthful bowel movement usually consists of frivolously formed, brown stools that are not unfastened, difficult, or painful.

There's no ideal wide variety of epithelial population moves for all and sundry. The common healthy variety is 1-3 bowel movements consistent with day or simply 3 bowel moves per week. The liver is responsible for the manufacturing of most of these clotting factors. a number of those elements require nutrition k for synthesis, and the liver produces bile salts which might be essential for the intestine to soak up this fats-soluble diet.

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0.25 of their sons is expected to be g6pd.

Because the sons will inherit only one of their mother's two X chromosomes. The father is normal, so he will pass on a normal allele. The mother has an X-linked recessive allele, so she can only pass on that allele to her daughters, who will not have G6PD deficiency.

The sons will have a 50% chance of inheriting the X chromosome from their mother—that is, they'll get either the normal or G6PD-deficient allele from her. If they get the normal allele from her, then they'll be fine and won't be affected by G6PD deficiency. If they get the G6PD-deficient allele from her, then they'll have G6PD deficiency themselves and be affected by it.

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When diving, blood moves to the rest of the body to support physical processes rather than the lungs.

Their left aorta emerges from the right ventricle, and their right aorta from the left. A valve that resembles a pair of cog-teeth and is located at the top of the right ventricle, which the animals can actively regulate to reroute blood flow, adds to the anatomical intricacy.

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Nonpathogenic Vibrio cholerae can acquire the cholera toxin gene by transduction.  

What are pathogens?

A pathogen is a living organism that causes disease in its host, and virulence describes how severe a disease's symptoms are.

Virens, bacteria, unicellular and multicellular eukaryotes, as well as other taxonomically diverse species, are examples of pathogens.

Pathogens are germs that can impair one's health by infecting the body. They include viruses, bacteria, fungus, and parasites. The pathogens that cause significant diseases include, among many others, anthrax, HIV, the Epstein-Barr virus, and the Zika virus.

All viruses are obligatory pathogens because they must reproduce inside the cells of their hosts, making them all pathogens.

Therefore, Option D is correct.

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Complete question

Nonpathogenic vibrio cholerae can acquire the cholera toxin gene by

a. Transformation

b. Conjugation

c. Phagocytosis

d. Transduction

The most likely action of pyrogens on thermoregulation is that these substances will reset the set point of the sensors and cause the death of the bacteria.

Endogenous pyrogens are substances that are released into the blood when phagocytic leukocytes kill a bacterium. The hypothalamus receives these pyrogens and the thermostat (sensors) is reset. This enables the condition known as a fever, in which the body's temperature rises. A nutrient required by bacteria is reduced as a result of iron becoming more conserved when body temperature rises.

The pathogen may also be killed by heat itself. The hypothalamus regulates body temperature through reflexes that result in sweating and vasodilation when the body is too warm or shivering and vasoconstriction when the body is too cold. It responds to bodily substances.

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The effect of the competition is frequently density-dependent, meaning that with higher population densities, competition increases. This is due to the fact that rivalry frequently becomes more intense as the population grows (or as resources decline).

Intraspecific competition, which occurs when members of the same species compete with one another for resources like food and space, is unaffected by factors like population density. Regardless of population size, all species populations in the same habitat will experience a comparable impact. Weather, climate, and natural catastrophes are some of the contributing factors.

Examples of factors that are influenced by density include disease, competition, and predation. The relationship between population size and characteristics that depend on density can be positive or negative. These population-size-related growth-restraining factors are positively correlated with population size and get stronger as the population expands.

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The human activity which is responsible for overloading the nitrogen and phosphorus cycles is runoff of fertilizer from agricultural areas.

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.

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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Answer:C

Explanation:

Temperature increased over time!

To design drugs that help fight cancer, targeting the retinoblastoma (rb) protein and inhibiting this protein will not be successful.

Targeting the retinoblastoma (rb) protein and inhibiting this protein during the research for designing drugs for cancer will not be a successful approach.

Rb is a tumor-suppressor protein and it functions to inhibit the action of a number of cell cycle regulatory proteins. A drug designed to inactivate the Rb protein would create the same situation as in a cell that lacks both copies of the Rb gene.

Lack of Rb activity releases the inhibition of cell cycle regulatory proteins and thereby promoting cell cycle progression rather than halting it.

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The organisms which I was able to identify in the soil, pond water and tap water samples given from the above task are:

From the samples in the given in the above task, I discovered with the aid microscope certain organisms which I identified clearly in the pond which has cilia has its locomotary organelles. This organism, specifically confirmed to be paramecium. I was also able to identify some worms in the soil sample which has segmented bodies. These actually, are the round worms.

So therefore, we can now confirm from my observations above that organisms such as bacteria, euglena, paramecium, earthworms were identified in the samples above.

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Explanation:

individuals contain genes that are unique to the individual. the genes are coded into mRNA and in the ribosomes the mRNA are read form tRNA to assemble amino acids and form a polypeptide chain which is modified further to form protein molecules. these proteins molecules form structures, enzymes and hormones which contribute to the individual's traits such as hair structures, digestive traits and body structures too.

therefore, proteins made off the genes in an individual determine their traits

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

Answer:

The ability to simultaneously recognize the color, shape, size, and speed of an oncoming automobile best illustrates: parallel processing.

Explanation: