Answer:
maintain homeostasis
Explanation:
The seven characteristics of life include:
responsiveness to the environment;
growth and change;
ability to reproduce;
have a metabolism and breathe;
maintain homeostasis;
being made of cells; and.
passing traits onto offspring.
Each enzyme has a temperature at which it works best. A slight increase in temperature can increase enzyme activity while a large increase in temperature can cause the enzyme to become denatured. Which of the following best explains what happens when a protein becomes denatured? ...?
The enzyme absorbs heat until the temperature decreases, and the reaction then continues normally.
The enzyme breaks apart into the amino acids that originally combined to form the enzyme.
The enzyme loses its shape and is no longer able to catalyze chemical reactions.
The enzyme unfolds and refolds into a different shape, and is used to catalyze a different chemical reaction.
Answer:
Option (3).
Explanation:
Enzymes are the bio catalyst that can increase the rate of a bio chemical reaction without themselves going under any change. Enzyme decreases the activation energy of the reaction and increases the rate of reaction.
Denaturation of protein results in the loss of biological activity of enzyme. The enzyme loses its shape and cannot catalyze the reactions as enzymes are shape specific.
Thus, the correct answer is option (3).
Denaturation of an enzyme results in the loss of its three-dimensional structure and its ability to catalyze reactions due to an irreversible change in shape caused by high temperatures.
When an enzyme becomes denatured, it loses its shape and is no longer able to catalyze chemical reactions. This is because the high temperature causes a disruption of the chemical bonds, such as hydrogen bonds, within the protein structure, leading to an irreversible change in the enzyme's three-dimensional shape. The correct explanation for what happens when an enzyme becomes denatured is that 'The enzyme loses its shape and is no longer able to catalyze chemical reactions'. It is not related to the enzyme absorbing heat, breaking into amino acids, or refolding to catalyze different reactions.
what three components make up a nucleotide
nucleotide consist of phosphate groups, five-carbon ribose sugar and nitrogenous bases (adenine, thymine (DNA only), uracil (RNA only), cytosine, guanine make nucleic acid
what is nucleic acid ?Nucleic acids are the primary center for storing all genetic information where deoxyribonucleic acid is the center for storing all the genetic information.
The genetic material is inheritable which can transfer from the parents to the children that means from one generation to another.
for example the characters such as hair color, hair type, eye color are some of the genetic information carried nucleic acids.
all the Nucleic acids are composed of nucleotide monomers linked together, consist of three parts such as Nitrogenous bases include purine molecules (adenine and guanine) and pyrimidine molecules (cytosine, thymine, and uracil.)
In DNA, the five-carbon sugar is deoxyribose, while ribose is the pentose sugar in RNA.
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The concentration of a sugar is high inside a cell and slightly lower outside the cell. What is most likely to occur if the sugar molecules can cross the membrane?
a. sugar molecules move inside the cell membrane.
b. sugar molecules move toward the nucleus.
c. sugar molecules maintain their concentration gradient.
d. sugar molecules move outside of the membrane.
The right answer is d. sugar molecules move outside of the membrane.
The simple diffusion is the diffusion through the plasma membrane (in the direction of the strong concentrations towards the weak concentrations, until equilibrium concentrations on both sides of the membrane). In the case that we have, the most concentrated compartment in glucose (that is inside the cell) will let it escape and go to the extracellular compartments until reaching equal concentrations between the two compartments.
The function of a plant's cambium layer is to (1 point)transport water. transport nutrients. produce food. produce new cells.
In which specimen were cells first identified?
microorganism
cork bark
DNA
mitochondrion
The correct answer is:
cork bark
Explanation:
The cell was first discovered and described by Robert Hooke in 1665. He mentioned that it looked especially like cells or little rooms which friars occupied, in this way limiting the name. Nevertheless what Hooke really recognized as the dead cell dividers of plant cells (cork) as it bestowed up under the magnifying lens.
Large doses of antibodies given to fight an infection are likely to destroy becteria that produce vitamin K. In which digestive organ do we find such beneficial bacteria?
A. Stomach
B. Large Intestine
C. Liver
identify a use for glucose in a plant that does not occur in animals
Glucose is used by plants to synthesize cellulose, the structural material in plant cell walls, which does not occur in animals as they cannot produce cellulose.
Explanation:One use for glucose in plants that does not occur in animals is in the synthesis of cellulose, which is the structural material of a plant's cell walls. Animals, including humans, are unable to synthesize cellulose because they lack the necessary enzymes to form the beta-glycosidic linkages that characterize this polysaccharide. Cellulose gives plants their rigid structure, allowing them to stand upright and form the necessary frameworks for leaves, stems, and roots. In contrast, animals must obtain cellulose indirectly by eating plants or plant products, and most cannot digest it, using it mainly for fiber.
How many cells are made in mitosis?
Mitosis produces two genetically identical daughter cells from one parent cell. This cell division process involves multiple stages to ensure accurate genetic replication and distribution. The resulting two cells are vital for growth and repair in organisms.
Mitosis is a process of cell division that results in two genetically identical daughter cells from a single parent cell. During this process, the nucleus divides, ensuring that each daughter cell inherits an exact copy of the parent cell's chromosomes. Hence, in mitosis, you start with one cell and end up with two cells, each with a complete set of genetic material.
Stages of Mitosis
The process is divided into several stages: prophase, metaphase, anaphase, and telophase, followed by cytokinesis. By the end of telophase and cytokinesis, the original cell has divided into two identical cells.
These two newly formed cells are crucial for growth, healing, and various other functions in multicellular organisms. Each of these cells maintains the same number of chromosomes as the parent cell, ensuring genetic consistency.
Why was the cloning of Dolly such a monumental step in the history of reproductive technology
who invented found that animals are composed of cells
Answer:
Theodor Schwann
Explanation:
Are dikaryotic fungi always heterokaryotic? ...?
Most of Earth's active volcanoes on land are located
blank______ is the transfer of pollen from the male reproductive structures to the female of seed plants
Pollination is the transfer of pollen from the male reproductive structures to the female of seed plants.
Pollination is the process of transferring pollen from the male reproductive structures to the female parts of seed plants, leading to fertilisation and seed production. It can occur via self-pollination or cross-pollination, the latter being particularly important for genetic diversity. There are two primary types of pollination: self-pollination and cross-pollination. Self-pollination occurs when pollen from an anther is deposited on the stigma of the same flower or another flower on the same plant. Cross-pollination involves the transfer of pollen from the anther of one flower to the stigma of another flower, usually on a different individual of the same species. Cross-pollination is vital for genetic diversity and is carried out by various agents, including insects, birds, bats, and the wind.
In angiosperms, or flowering plants, pollen is transferred from the anther to the stigma of the same or different flower. In gymnosperms, such as conifers, this involves the movement of pollen from a male cone to a location within the female cone. After pollination, in both angiosperms and gymnosperms, the pollen germinates to form a pollen tube, which eventually leads to fertilisation and seed production.
A weather map is an example of a
a.
hypothesis.
b.
manipulated variable.
c.
model.
d.
scientific theory.
Geologists use radioactive dating for which of the following?
(A). Identifying the relative ages of rock layers.
(B). Determining the absolute ages of rocks.
(C). Telling how radioactive substances is
(D). Collecting evidence of fossils.
Geologists use radioactive dating for determining the absolute ages of rocks and minerals using radioactive isotopes. So, option B is right.
Radioactive dating is a technique used to date rocks and minerals utilizing radioactive isotopes. Igneous and metamorphic rocks can benefit from this technique.
Age of rock can be determined using radioactive dating, which measures the decay of radioactive isotopes.
Option (A) is incorrect because radioactive dating is not used to identify but determine the age of rock.
Option (C) and (D) is incorrect because radioactive dating does not tell how radioactive substances is or used to collect evidence of fossil.
Therefore, the answer is (B).
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What is the part of the mantle that contains soft rocks?
Red blood cells have cell membranes that allow water, oxygen, carbon dioxide and glucose to pass through. all other materials are blocked form entering. this makes the membrane
Which of the following is true about the ability of water to produce electricity?
A. The kinetic energy of moving water is converted to electrical energy.
B. The moving water releases energy to the surroundings in the form of chemical energy.
C. The energy produced by moving water is converted to potential energy.
D. The total amount of energy produced by moving water is constant.
A. The kinetic energy of moving water is converted to electrical energy.
In the two-stage cooling method, what is the maximum amount of time allowed to cool food from 135 degrees F or more to 70 degrees F or less?
In the induced-fit model of enzymes, a substrate associates itself with which part of an enzyme?
A) The denatured site .
B) The amino acid site .
C) The active site .
Global convection cells move warm air
Within the ocean
to polar regions
To high pressure areas
To the equator
i think the correct answer is this
to the equator
what controls the water permeability of collecting ducts in the kidney??? ...?
Which best describes the function of the cell wall in cells?
A.
supports the frame of a cell
B.
maintains the cell's nuclear structure
C.
modifies sugar into usable energy
D.
moves materials within the cell
During the winter you become sick with the flu. Shortly after that, you become sick with strep throat. Will the same type of B-cells that fought the pathogen that caused the flu fight the pathogen that causes strep throat?
a
Yes. Every B cell is capable of fighting every pathogen with which it comes in contact.
b
Yes. B cells recognize similar antigens such as bacterial and viral pathogens.
c
No. B cells fight viruses while T cells fight bacteria.
d
No. Each B cell is capable of recognizing one specific antigen.
During the winter you become sick with the flu. No. Each B cell is capable of recognizing one specific antigen.
What are the functions of B-cells?White blood cells of a certain type that produce antibodies. B cells are produced by stem cells in the bone marrow and are a component of the immune system. as well known as B lymphocyte.
B cells influence antimicrobial defenses and tissue inflammation, contribute in T-cell activation by antigen presentation, costimulation, and cytokine release, and—most importantly—serve as regulatory cells.
The generation of antigen-specific immunoglobulin (Ig) targeted against invasive pathogens is mediated by B cells, which are at the center of the adaptive humoral immune system.
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Tomato plants usually have hairy stems. Hairless stems are present in tomato plants that are homozygous recessive for this trait. If the stem characteristics are determined by a single gene, what is the expected outcome of crossing two tomato plants that are heterozygous for hairy stems?
The expected outcome of crossing two tomato plants that are heterozygous for hairy stems is observing a phenotypic proportion of 3:1 plants (3 hair stem plants: 1 hairless stem plant).
What is dominance?Dominance in genetics is a phenomenon where the dominant alleles mask the recessive allele in heterozygous individuals.
Heterozygous individuals carry two different alleles for a given gene locus.Homo-zygous individuals carry the same allele or gene variant for a given gene locus.In conclusion, the expected outcome of crossing two tomato plants that are heterozygous for hairy stems is observing a phenotypic proportion of 3:1 plants (3 hair stem plants: 1 hairless stem plants).
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Seed X has 20 chromosomes. How many chromosomes will a daughter cells have after meiosis?
How does one determine when an ecosystem is in balance
Answer and explanation:
It is said that an ecosystem is balanced when there is a functional system that helps the prompt recovery of wildlife after some natural event of disastrous characteristics.
This means that it is necessary to have flora and fauna in good condition, with a food chain of predators and preys, that toxic gases have decreased or disappeared, among other issues. We will find a balanced ecosystem when the relationship between natural organisms and human beings is pleasant and harmonic enough and does not imply a risk to nature and its conservation.
What is the purpose of interphase in the cell cycle?
Answer:
A). active growth and metabolism of the cell
Explanation:
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Clownfish, a small tropical fish found in the midst of sea anemones, are often not stung. What type of relationship might the clownfish have with the sea anemones that would explain this behavior?
How do cell differentiation and cell division work together?