As compared to an uncatalyzed reaction, the enzyme-catalyzed reaction occurs at a much faster rate.
Reaction or chemical reaction is the process where a substance is converted into another substance. Since it changes the chemical composition of the substances it is called a chemical reaction. The substances being converted is called the reactant while the one being formed is called the product.
Enzyme is the proteinaceous substance which is involved in fastening the rate of chemical reaction. This process is called catalysis. The enzymes enhance the rate of reaction by lowering the activation energy required to initiate the chemical reaction.
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How do scientists use classification?
Scientists use classification by putting similar organisms in one group.
In order to organize and make sense of the astounding diversity of life, scientists categorize living things. We can better grasp the relationships between living things by classifying them. All life can be classified into three big groupings called domains. The next level is kingdoms, which are further separated into phyla (phylum, singular).
Additionally, scientists classify similar organisms together. Taxonomy is the study of how to categorize living things. In order to organise and make sense of the astounding diversity of life, scientists categorize living things. Molecular commonalities serve as the primary basis for modern scientific classification. They put creatures with comparable DNA and proteins together. Organisms are connected because of molecular commonalities. They share a common ancestor from the past.
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a genetic mutation that results in malformation of the myosin protein will directly effect the function of which type(s) of muscle tissue?
Genetic mutations that result in myosin protein malformations directly affect the function of smooth muscle, and cardiac and skeletal tissues.
Small genetic mutations in the myosin gene can change the shape of the protein. This can change how it interacts with actin, changing the molecular machinery that makes muscles contract. In some cases, a gene error can cause the heart muscle wall to thicken, a condition called hypertrophic cardiomyopathy.
Myosin is a thick filament-forming protein whose job is to pull on actin when muscle contraction occurs. In muscle tissue, there is a protein myosin which plays an important role in muscle contraction. Smooth muscle, cardiac muscle, and skeletal muscle have the protein myosin for contraction. If a mutation occurs in the myosin-forming protein, the function of smooth muscle, cardiac muscle, and skeletal muscle are also disrupted.
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substance found in eukaryotic chromosomes that consists of dna tightly coiled around histones
Chromatin is the answer. Chromatin is the material that makes up eukaryotic chromosomes and is made up of DNA tightly wound around histones.
Eukaryotic cells contain a combination of proteins and DNA called chromatin. Its primary job is to bundle DNA molecules into denser, more compact structures, which prevent the strands from tangling. Additionally, it supports the DNA during cell division, protecting it from deterioration. Histones are the main proteins that makeup chromatin. Gene activation and deactivation are regulated by histones. There are two different forms of chromatin: heterochromatin, which is denser, and euchromatin, which is less dense.
So, Chromatin is the answer, we might claim. Eukaryotic chromosomes are constructed of chromatin, which is composed of DNA that is tightly coiled around histones.
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mycorrhizae are often found associated with the roots of vascular plants. where are fungal endophytes typically found in vascular plants?
Fungal endophytes are typically found in the leaf mesophyll in vascular plants.
Endophytes are organisms that live within a body of a plant for at least a part of its life cycle without causing any apparent damage. Most of the endophytes are either bacteria or fungi.
Fungal endophytes are generally categorized based on the mode of transmission, biodiversity, in planta colonization, and the host plant type. However, in vascular plants, fungal endophytes are most likely to be found inside the tissue spaces of plants (leaf mesophyll). They allow the plant to obtain additional moisture and nutrients, making their relationship with the host plant mutualistic.
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Based on your knowledge about the chemical reaction that takes place when lactose is processed in the body, should it be eliminated from the human diet? EXPLAIN WHY
Lactose is a sugar that is found in milk and milk products. It is broken down in the body by the enzyme lactase, which is produced by cells in the small intestine. When lactose is consumed, it is absorbed into the bloodstream and used for energy.
In some people, the body does not produce enough lactase to fully break down lactose. This can lead to digestive symptoms such as bloating, gas, and diarrhea when they consume dairy products. This condition is known as lactose intolerance.
However, eliminating lactose from the diet is not necessary for most people. While some people may have lactose intolerance or choose to avoid dairy products for other reasons, such as allergies or personal preference, lactose is an important source of nutrients for many people. Dairy products are a good source of calcium, protein, and other important nutrients.
If you have lactose intolerance or choose to avoid dairy products, it is important to ensure that you are getting enough of these nutrients from other sources. There are many non-dairy sources of calcium and protein, such as leafy green vegetables, nuts, and fortified plant-based milks.
In summary, lactose should not be eliminated from the diet for most people. However, if you have lactose intolerance or choose to avoid dairy products, it is important to ensure that you are getting enough nutrients from other sources.
the digestive tract is essentially one long tube. the order of the structures, beginning with the mouth, is
The digestive tract is essentially one long tube. the order of the structures, beginning with the mouth, is
Pharynx-->esophagus-->stomach-->small intestine-->large intestine
The digestive system is made up of the liver, pancreas, and gallbladder as well as the gastrointestinal tract, commonly known as the GI tract or digestive tract. From the mouth to the anus, the GI tract is made up of several hollow organs connected by a protracted, twisted tube. The stomach, small intestine, large intestine, and anus are the hollow organs that make up the GI tract. The digestive system's solid organs are the liver, pancreas, and gallbladder.
Three sections make up the small intestine. The duodenum is the name of the first section. The ileum is at the end, while the jejunum is in the middle. The cecum, colon, rectum, and appendix are all parts of the large intestine. A finger-shaped pouch connected to the cecum is the appendix.
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a student is completing a punnett square for a trait (x/x) that is autosomal and inherited by the dominant allele. the father does not have it (xx), but the mother does (xx). if they had two children, a son and a daughter, what would the completed punnett square look like (i.e., would the son have the trait, would the daughter have the trait)?(1 point) responses both children would inherit the trait. both children would inherit the trait. one child would inherit the trait and one child would not. one child would inherit the trait and one child would not. each child has a 50% chance of inheriting the trait. each child has a 50% chance of inheriting the trait. both children would not inherit the trait.
In the punnett square analysis, each child has a 50% chance of inheriting the trait. Some genetic illnesses are caused by dominant alleles. The condition is caused by inheriting just one copy of such a dominant allele.
Huntington disease, achondroplastic dwarfism, and polydactyly are examples of this. Heterozygous (Aa) individuals are not healthy carriers.
The mother Xx has the trait and the father xx doesn't.
Using the punnet square
Xx xx
Xx Xx xx xx
There are just two traits which are Xx and xx which are in equal frequency and proportion.
This therefore means that the children have a 50% chance of getting the trait.
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Protozoans are organisms that can reproduce asexually. Asexual reproduction can help species of protozoans survive because:
A. they do not use a lot of energy finding mates.
B. their populations have less genetic diversity.
C. their populations do not grow too quickly.
D. they use more cellular energy in reproduction.
Answer: option A is correct
Explanation:
they don't have to spend time and energy finding a mate so they can just keep reproducing
what is the target of thyroid hormones? what is the target of thyroid hormones? thyroid anterior pituitary hypothalamus cells of the body
The target of thyroid hormones is anterior pituitary.
The pituitary gland is frequently referred to as the body's "master gland." Such praise is merited because the anterior and posterior pituitaries secrete a variety of hormones that combined have an impact on practically every physiological activity and influence all cells.
For instance, anterior pituitary cells with receptors known as thyrotrophs emit thyroid-stimulating hormone, or TSH, when thyroid-releasing hormone from the hypothalamus binds to them. The anterior pituitary hormones circulate throughout the body and bind to receptors on various target organs. The thyroid gland is the organ that TSH is intended to affect.
Tyrosine-based thyroid hormones (T3, T4) are produced by the thyroid gland. A standard amino acid is 4-hydroxyphenylalanine, which is tyrosine.
Triiodothyronine (T3) has the following effects: raises heart rate, increases basal metabolic rate, brain development, and enhances protein and carbohydrate catabolism.
The hypothalamus is undoubtedly the force behind the throne, even though the pituitary gland may be the monarch. As was mentioned in the previous part, the hypothalamus contains neurosecretory neurons, which secrete hormones that carefully regulate the release of hormones from the anterior pituitary. Due to their impact on anterior pituitary hormones, the hypothalamic hormones are referred to as releasing hormones and inhibiting hormones, respectively.
The hypothalamus-hypophyseal portal veins deliver hypothalamic releasing and inhibitory hormones directly to the anterior pituitary gland. Distinct anterior pituitary cell receptors bind to specific hypothalamus hormones, controlling the release of the hormones those cells generate.
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which statement about the nucleus is incorrect? a-the nucleus contains the instructions for copying itself b-the nucleus contains the genetic material of the cell c-the nucleus contains the information that ribosomes use to carry out cellular respiration d-the nucleus contains the information that ribosomes use to carry out protein synthesis
Answer:
The nucleus contains the information that ribosomes use to carry out cellular respiration.
A. Looped domain, 30-nm chromatin fiber, nucleosome, 2 nm helix b. 2 nm helix, nucleosome, 30-nm chromatin fiber, looped domain c. Nucleosome, looped domain, 2 nm helix, 30-nm chromatin fiber d. Looped domain, nucleosome, 2 nm helix, 30-nm chromatin fiber e. 2 nm helix, nucleosome, looped domain, 30-nm chromatin fiber
Nucleosome, 30-nm chromatin fiber, looped domain. the following lists represents the order of increasingly higher levels of organization of chromatin.
How are nucleosomes positioned in 30 nm condensed fibers?A 30-nanometer chromatin fiber made of folded nucleosomes creates loops that are 300 nanometers in length on average. A 250 nm-wide fiber, which is snugly wound into a chromosome's chromatid, is created by compressing and folding 300 nm fibers.
A looping domain is what?The loop domain is widely acknowledged to be the fundamental structural component of eukaryotic chromatin involved in DNA replication, gene expression, and higher order packaging.
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although both pyruvate dehydrogenase and glyceraldehyde 3-phosphate dehydrogenase use nad as their electron acceptor, the two enzymes do no t compete for the same cellular nad pool. why?
Although both pyruvate dehydrogenase and glyceraldehyde 3-phosphate dehydrogenase use nad as their electron acceptor, the two enzymes do not compete for the same cellular nad pool. This is because the cytosol contains glyceraldehyde 3-phosphate dehydrogenase, while the mitochondrion has pyruvate dehydrogenase.
An enzyme called pyruvate dehydrogenase catalyses the reaction between pyruvate and a lipoamide to produce acetylated dihydrolipoamide and carbon dioxide. Thiamine pyrophosphate is needed for the conversion as a coenzyme. A part of the pyruvate dehydrogenase complex known as E1 is typically where pyruvate dehydrogenase is found (PDC). E2 and E3 are two more enzymes that make up PDC.
E1 through E3 work together to convert pyruvate, NAD+, and coenzyme A into acetyl-CoA, CO2, and NADH. The process of conversion is essential because acetyl-CoA may be employed to perform cellular respiration in the citric acid cycle thereafter. Pyruvate dehydrogenase is the official name for this enzyme to distinguish it from the PDC (acetyl-transferring).
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The diagram shows the process of photosynthesis and cellular respiration in relation to each other.
What can be concluded from the diagram?
O Light energy is converted into chemical energy in photosynthesis.
O Light energy is converted into chemical energy in cellular respiration.
O Cellular respiration utilizes ATP to release energy in the form of heat.
O Photosynthesis releases oxygen and ATP that are used in cellular respiration.
Answer:
A
Explanation:
The diagram shows that light energy is converted into chemical energy in photosynthesis. This can be concluded from the fact that the diagram shows light energy being absorbed by chloroplasts in the process of photosynthesis, and that the process of photosynthesis produces glucose, which is a form of chemical energy.
Therefore, the correct answer is A) Light energy is converted into chemical energy in photosynthesis.
the compound that consists of ribose linked by an n-glycosidic bond to n-9 of adenine is:
The emulsion that consists of ribose linked by an N- glycosidic bond to N- 9 of adenine is adenosine.
Adenosine is a purine nucleoside base, utmost generally honoredwith the patch adenosine triphosphate, or ATP, and is usedcompletely throughout the entire body in general metabolism.( 6) Adenosine’s use as a pharmacological medicine works through receptors called purinergic adenosine receptors set up throughout the body. Samsel etal. describe four types of adenosine receptors A1, A2a, A2B, and A3, affecting the vulnerable, nervous, circulatory, respiratory, and urinary systems.
Adenosine has a crucial part in the adaptive response in pulmonary hypertension and heart failure, with the most applicable goodsbeing decelerating of heart meter, coronary vasodilation and dwindling blood pressure.
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in a certain forest community, fallen trees and dead animals take longer than normal to release their nutrients back into the ecosystem. this community probably has a low population of
Fallen trees and dead animals in one forest community take longer than usual to discharge their nutrients back into the ecosystem. This community most likely has a small number of Decomposers.
Because nutrient recycling is the primary function of decomposers, a low number of decomposers will result in slow nutrient recycling.
Decomposers eat dead objects like leaf litter and timber, as well as animal carcasses and feces. As Earth's cleanup team, they provide a crucial service. Dead leaves, insects, and animals would build up everywhere if decomposers did not exist. Imagine what the world might look like!
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In a family of seven children, what is the probability of obtaining the following numbers of boys and girls? a. All boys b. All children of the same sex c. Six girls and one boy d. Four boys and three girls e. Four girls and three boys
A probability refers to a number that reflects the likelihood or chance that a particular event or phenomenon will occur.
In a family of seven children, the probability of obtaining the required number of girls and boys is given as follows:
total children = 7
probability of being a girl = 1 /2
probability of being a boy= 1 /2
a) All boys
Probability of all the children are boys = (1/2)^7 = 1 / 128
b) All children of the same sex
Probability of being all b0ys = (1/2)^7 = 1/128
Probability of being all gIrls = (1/2)^7 = 1/128
So,
Chance of being either all girls or all boys = 1 / 128 + 1 / 128 = 1 / 164
c) Six girls and one boy
Since the probabilities of a and b = 1 / 2,
Then using the term 7a x 6b:
Probability of being six girls and one boy = 7 (1/2) x 6(1/2) = 7 / 128
d) Four boys and three girls
This probability is obtained by the term 35a x 3b x 4.
Probability of four boys and three girls =35 (1/2) x 3 (1/2) x 4 = 35 / 128
e) Four girls and three boys
Same as (d) 35/128
Using the term 35ax 4b x 3 ,
Probability of four girls and three boys =35 (1/2) x 4 (1/2) x 3 = 35 / 128
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Cells that form most tissues and organs in an organism.
Answer:
yah
Explanation:
I don't understand..
if one strand of a dna molecule has the sequence of nucleotides 5' attgca 3', what would the sequence of the complementary strand be?
Answer:
it would be 3’ taacgt 5’
a person cuts their finger. how does the process of mitosis help to repair the wound?
Answer:
IN EXPLANATION
Explanation:
Mitosis is the process by which somatic cells divide to reproduce when cells become damaged. Thus, mitosis is crucial in cell generation and thus the formatin of a woud, such as on a skin cell.
Answer:
Mitosis will create tons of new cells in periods of time to fill the gap and make the tissue bigger again.
Explanation:
When part of a tissue breaks, then there are cells lost. So, mitosis will create tons of new cells in periods of time to fill the gap and make the tissue bigger again. This ensures that the tissue is back to normal and can function properly. It's like a wound healing.
list 5 features of animal body plans. (must discuss all 5 parts)
Answer:
4 legs,
Explanation:
Radioactive carbon 14 was used to determine the geologic age of old would preserved in the glacier the amount of Steve 14 in the old wood is 1/8 the normal amount of C 14 currently found in the word of living  trees  what is the geologic age of the Old wood
The estimated age of the ancient wood would be 5,730 years if carbon from a sample of wood was discovered to have only half as much carbon-14 as that from a living plant.
What is half life?Half life is defined as the amount of time it takes for a radioactive substance to break down or change. The half-life of a particular radioactive isotope is not influenced by the environment and is not dependent on the isotope's initial concentration.
The radioactivity of carbon-14 decays by 50% every 5,730 years. Radiocarbon dating depends on that half-life. Since carbon-12 doesn't deteriorate, it serves as a reliable indicator of carbon-14's impending demise. Older carbon-14 isotopes give off less radiation.
Thus, the estimated age of the ancient wood would be 5,730 years if carbon from a sample of wood was discovered to have only half as much carbon-14 as that from a living plant.
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which of the following is a characteristic of a lipid? group of answer choices most lipids are waxy. most lipids are soluble in water. lipids are found only in animals. most lipids are high density.
The optimal response is B. The majority of lipids are waxy.
Wax is an illustration of a lipid that is water-insoluble. Long-chain nonpolar lipids are this kind of lipid. The following explanations explain why the other options are incorrect:
A: Lipids generally have low density. Generally speaking, lipids float on water.
C : Lipids cannot dissolve in water.
D: Lipids are also present in plants.
Lipids are biomolecules that are not related to one another structurally but rather by their physical characteristics. Lipids serve as a source of metabolic energy, a component of membranes, and a regulator of gene expression. Fatty acids are one type of lipid that serves as metabolic fuel.
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the two strands of dna are held together with hydrogen bonds between the nitrogen bases. these are weak bonds between polar molecules. how many hydrogen bonds connect the two bases from question 4?
The number of hydrogen bonds connecting the two bases from question 4 depends on the specific bases in question. If the two bases are A and T, then there would be two hydrogen bonds connecting them. If the two bases are C and G, then there would be three hydrogen bonds connecting them.
Adenine (A) and Thymine (T) are two nitrogen bases that connect via two hydrogen bonds. Cytosine (C) and Guanine (G) are also two nitrogen bases that connect via three hydrogen bonds. Therefore, if the two bases being considered are A and T, then there would be two hydrogen bonds connecting them. If the two bases being considered are C and G, then there would be three hydrogen bonds connecting them.
In conclusion, the two strands of DNA are held together by hydrogen bonds between the nitrogen bases. These are weak bonds between polar molecules, and are responsible for connecting the two strands of the double helix. The number of hydrogen bonds connecting the two bases from question 4 depends on the specific bases in question.
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asexual reproduction group of answer choices has advantages over sexual reproduction when the environment is changing. is an unsuccessful mode of reproduction. occurs in plants but not in animals. occurs in some animals when they split themselves in two. creates genetically diverse individuals.
Asexual reproduction (a) has advantages over sexual reproduction when the environment is changing.
Because the kids are all clones of the original parent, asexual reproduction results in offspring that are genetically identical to the parent. Asexually reproducing creatures have two benefits over sexually reproducing species: the ability to make huge numbers of offspring fast, and the ability to produce offspring one at a time.
Asexual reproduction is a successful method of reproduction when the environment is predictable or stable since all the children will be acclimated to it. Asexually reproducing organisms may be at an advantage in an unstable or unpredictable environment since all of their progeny are genetically similar and be able to adapt to various environments.
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The intensity of the earthquake that recently caused a devastating tsunami in Japan was measured using the ___________ scale.
A)
earthquake
B)
Richter
C)
tsunami
D)
tidal
E)
gauge
Please select the best answer from the choices provided
A
B
C
D
E
Answer:
B) Richter
Explanation:
The intensity of the earthquake that recently caused a devastating tsunami in Japan was measured using the Richter scale.
Explanation :This is a stormy earthquake which occurred in Japan. This earthquake was 8.9 degrees. It shook at 2:46 p.m. local time in Japan.
Correct Paragraph B) Richter.
ethidium bromide is a dye that is used to stain the gel and allows the dna to be viewed under uv light.true
false
This statement is TRUE that Ethidium bromide is a dye that is used to stain the gel and allows the DNA to be viewed under UV light.
A low-molecular-weight blue dye that will swiftly flow through the gel when charged is used to add the test DNA to the gel. This gives a visual indication of the gel's development. The procedure is finished when the blue dye has traveled to the other side of the well. A running buffer known as TAE that is made up of Tris base, acetic acid, and EDTA (ethylene diamine tetra acetic acid) is applied to the agarose gel. This gives the current an electrolyte and keeps the DNA in the gel in tact.
The DNA in the agarose gel is stained with an Ultra violet fluorescent dye so that it can be captured on camera and viewed under a UV light source. Ethidium bromide, the dye, is a fluorescent substance that, when employed as a stain, inserts itself between base pairs. Due of its severe toxicity, this has a disadvantage. There are guidelines for managing this material, and it should always be handled with caution.
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Select the correct answer from each drop-down menu.
Chris in lives in a city that experiences heavy rainfall with average annual precipitation of 882 millimeters. It is warm all year.
Mark lives in city with an average annual rainfall of 40 millimeters. It has hot summers and cool winters.
Chris's city is in a
climate, while Mark's city is in a
climate.
Reset
Need
The climate in Chris' city is humid tropical. The climate of Chris's city appears to be of the tropical wet climatic type, as places near the equator typically experience high precipitation and warm, humid climates.
Which region is most likely to see above-average rainfall?The equatorial zone and Southeast Asia's monsoon region are home to the areas with the most precipitation. Little rain falls in the desert areas of the subtropics and around the poles, while substantial amounts fall in the middle latitudes.
Which two places have tropical weather?Between the Tropics of Cancer (23°27'N) and Capricorn (23°27'S), a region of the planet referred to as the tropics, is where the majority of tropical climates may be found. The tropics receive more solar energy overall than any other region of the planet.
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A potential cause of male infertility is a blockage of the vas deferens. The blockage could be due to the build up of scar tissue along the vas deferens. What medical treatment would most likely be used to treat this type of infertility?
A.
surgery to remove the obstruction
B.
medication to stimulate sperm production
C.
implantation of semen into the testes
D.
hormone therapy to increase testosterone
Answer:
A
Explanation:
The most likely treatment for a blockage of the vas deferens due to scar tissue would be surgery to remove the obstruction. This would involve a surgical procedure to remove the scar tissue and unblock the vas deferens, allowing sperm to pass through and potentially restoring fertility. Options B and D are not appropriate treatments for this condition, and option C is not a standard treatment for any type of infertility.
elevated levels of which type of lipoprotein are clearly associated with atherosclerosis?
Atherosclerosis or elevated LDL type of lipoprotein levels are obviously related.
What are three symptoms of atherosclerosis?You can experience sudden weakness or numbness in your arms and legs, speaking difficulties or slurred speech, a momentary loss of sight in one eye, with drooping face muscles if you suffer from atherosclerosis in the veins leading to your brain.
What happens when you have atherosclerosis?Your arteries harden and narrow as a result of atherosclerosis, which is brought on by cholesterol plaques that gradually line the artery walls. When the arteries narrow, this could endanger flow of blood. It is also referred to as cardiovascular atherosclerosis and arteriosclerosis.
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Biomolecules that are used to transport large molecules across the cell membrane are identified as?