heat is produced by radiant energy (A) when it travels through space (B) when it strikes matter (C) when its reflected from the Earth's surface (D) in all these ways

Cyclin is degraded the concentration of cyclin-dependent kinase remains unchanged but without cyclin, MPF is not formed.

Cyclin and MPF levels increase as cells enter mitosis, peak during mitosis, and decrease at anaphase. MPF not only drives M-phase events but also causes its own destruction by activating the anaphase-promoting complex/cyclosome, a protein complex that disrupts M-cyclins from a later stage.

MFP's main function is to promote mitotic spindle assembly, chromatin condensation, and nuclear membrane disassembly. At the end of the M phase, MPF is destroyed by ubiquitin-dependent cyclin proteolysis. Therefore, regulation of MPF activity via inhibitory phosphorylation is thought to be of particular importance in controlling the transition into, but not out of the M phase.

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Answer:

ecological pyramid

Explanation:

Answer: a scientist who knows to check the dna

Explanation:

Because in your dna there are 46 nucleus in which 23 are mothers and another 23 are fathers so by checking mr a and mr b dna you can find out

An example of Calcium carbonate is shells of snail. Shells of snails is made up of hardened calcium carbonate. Thus, the correct option is D.

Calcium carbonate is a chemical compound which have the chemical formula CaCO₃. It is a common substance which is commonly found in the rocks as the minerals calcite and aragonite and is also the main component of eggshells, gastropod shells, shellfish skeletons and the pearls.

The shells of snails and other animals are made up of calcium carbonate compounds to protect the eggs or the embryo which is present inside the egg or the soft body of the organism. The main purpose of calcium carbonate is to protect the body inside the shell from the harsh environment which can damage the organism.

Therefore, the correct option is D.

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Your question is incomplete, most probably the complete question is:

Which of these is an example of calcium carbonate?

A. diamond

B. graphite

C. water

D. shells of snail

Answer: the conjoined two daughter cells seperate.

Explanation:

Answer: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. During cytokinesis, the cytoplasm splits in two and the cell divides. ... In plant cells, a cell plate forms along the equator of the parent cell. Then, a new plasma membrane and cell wall form along each side of the cell plate

Explanation:

Five test tubes containing an identical amount of albumen are placed in a water bath, and each test tube is then mixed with different solutions, enzyme X breaks down albumen in the human alimentary canal, and this enzyme may be pepsin of the stomach or pancreatic protease of the intestine.

Enzyme has different functions in different parts of the body, such as the enzymes of the stomach, such as pepsin, which act in an acidic medium and break down the albumen, while the pancreatic protease can break down in an alcoholic environment in the small intestine.

Hence, Enzyme X breaks down albumen in the human alimentary canal, and this enzyme may be pepsin of the stomach or pancreatic protease of the intestine.

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The article you provided is titled "Validation of flow cytometry and q-pcr assays for the detection of genetically modified T cells in the peripheral blood of patients.

The purpose of the study was to validate the use of flow cytometry and quantitative polymerase chain reaction (qPCR) assays for the detection of genetically modified T cells in the peripheral blood of patients. Flow cytometry is a technique that uses antibodies labeled with fluorescent tags to detect specific cell populations, while qPCR is a method used to amplify and quantify DNA.

By validating these assays, the researchers aimed to ensure their accuracy and reliability in detecting genetically modified T cells. This is important in the context of cell-based immunotherapies, where genetically modified T cells are used to treat diseases such as cancer.

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The primary function of the muscular system is movement.

What is muscles?

The muscular system is a group of organs that includes skeletal, smooth, and cardiac muscle. It allows the body to move, maintains posture, and circulates blood throughout the body. Although some muscles (such as the heart muscle) are entirely autonomous, the nervous system controls the muscular systems in vertebrates. It forms the musculoskeletal system in humans, along with the skeletal system, and is responsible for body movement.

Muscles control movement and are linked to bones, internal organs, and blood arteries. Muscle contraction causes nearly all movement in the body.

So, B is the right answer.

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Answer:

a. molecules

Explanation:

Nucleic acids are macromolecules like proteins, carbohydrates, and lipids. These macromolecules help to make up cells.

The frequency of the offspring being agouti brown is 3/9.

Here, it is given that both of the parents are agouti black. The children might be of four types of colors - agouti black (AaBB), agouti brown (AaBb), solid black (AABB), and solid brown (AABb). We also know that the color black is dominant over brown. Agouti is dominant over a solid color.

The phenotypes of the offspring are going to be - (AABB, AABb, AAbb, AaBB, AaBb, Aabb, aaBB, aaBb, aabb)

Here, we see that the agouti brown type comes three times i.e., AAbb, Aabb, aabb.

This means that three of the nine progeny are going to be agouti brown in color.

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Thirst is the sensation or desire to drink fluids, usually water, in response to the body's need for hydration. Thirst is regulated by a complex system involving various physiological mechanisms, including the osmoreceptors in the hypothalamus of the brain. Option c is correct.

When the osmotic pressure of the blood increases, indicating a higher concentration of solutes such as salt, it can trigger the osmoreceptors in the hypothalamus to signal the sensation of thirst. This is a mechanism to maintain the body's water balance and prevent dehydration. Option c, "increased osmotic pressure of the blood stimulates the hypothalamus," accurately describes the physiological trigger for thirst.

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Answer: Tay-Sachs a disease caused by an absence of an enzyme that break down fatty substance causing damaged to nerve cells

Answer:

farmers plow fields around hills.

Explanation:

Hope it helps.

Answer:

farmers plow fields around hills

Explanation:

The study of the connection between two species for the co-relation is called phylogenetic.

The correct answer to the question is chimpanzees.

The most common ancestor of a human being is the chimpanzee as the human evolves from it and has most of the features related to the chimpanzee.

For example - the chromosome number 3 & 6 of chimpanzee and human is the same.

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Answer:

C. Banobos and chimpanzees

Explanation:

The autonomic nervous system (ANS) is in charge of controlling involuntary processes such as digestion, respiration, blood pressure, and heartbeat. The sympathetic and parasympathetic nervous systems make up its two divisions.

Through the "fight or flight" response, the sympathetic nervous system prepares the body for emergency situations. It speeds up the heartbeat, constricts blood vessels, widens the airways and releases stress hormones. These responses improve physical ability and preparedness for potential threats.

In contrast, the parasympathetic nervous system encourages relaxation and energy conservation through the "rest and digest" response. It promotes digestion, lowers heart rate, and promotes restorative and recovery processes.

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The outer hydrophilic surfaces allow membranes to be soluble in water, whilst the inner hydrophobic layer prevents most water-soluble chemicals and molecules from passing through.

The fluid mosaic model describes the plasma membrane's structure as a mosaic of components such as phospholipids, cholesterol, proteins, and carbohydrates that give the membrane its fluid character.

Cell membranes function as both barriers and gatekeepers. They are semi-permeable, which means that some molecules can pass through but others cannot.

Small hydrophobic molecules and gases, such as oxygen and carbon dioxide, rapidly cross membranes.

Water-soluble substances are said to diffuse more slowly through cell membranes than lipid-soluble substances because the former encounter impedance in the hydrophobic region of the phospholipid bilayer.

Water molecules move through a cell membrane during osmosis, which occurs when water diffuses into a cell via a selectively permeable membrane process.

Thus, this way, the membrane acts as a barrier to water-soluble molecules.​

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The location of 2 living organisms on a phylogenic tree if they are considered closely related will be from the same branch.

A phylogenic tree is a diagram that shows the evolutionary relationships between two or more organisms.

The phylogenic tree is in the form of a tree with various branching points. The branching points in a phylogenic tree represents the point or time in which two related organisms diversify or acquire feature that makes them differ from each other.

Related organisms will originate from the same branch of the tree. over time, as a result of mutation and other changes, the organisms will branch away from each other.

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Answer:

The presence of the gill slits suggests that a long time ago humans and fish shared a common ancestor. The similarities between embryos suggest that these animals are related and have common ancestors.

Explanation:

Answer:

В

Explanation:

The construction of dams and reservoirs in the future will help provide drought.

There will be fewer elderly people in the population, and comparatively more young people.

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The movement of the Earth on its axis and around the Sun determines what can be seen from different positions of land, because depending on the direction, only what is in the field of vision located in the mentioned part of the land will be visualized. Understand more....

The main movements of the Earth, that is, those that have the most noticeable direct effect on our lives, are rotation and translation.

Rotation is the movement that the Earth performs around itself, circling around its central imaginary axis for an approximate period of 24 hours, with a speed of 1,666 km/h. The rotation occurs in a counterclockwise direction, that is, from west to east, which causes the apparent movement of the sun to be from east (rising) to west (sunset). The main consequence of this movement is the succession of days and nights.

The translation is the elliptical movement that the Earth performs around the sun, with a duration of 365 days, 5 hours and 48 minutes at a speed of 107,000 km/h. When the Earth completes one complete revolution with respect to the sun, we say that a year has passed. The main consequence of this movement is the origin of the seasons, which occur because the planet's axis has an inclination of 23º27', causing the succession of solstices and equinoxes.

With this information, we can conclude that the movement of rotation and translation are also responsible for the direction of the eyewitness on earth, being the movements responsible for the direction we look into space.

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Answer:

During cellular respiration, the reactants—glucose (sugar) and oxygen—combine together to form new products: carbon dioxide molecules and water molecules. Adenosine triphosphate (ATP) is produced as the form of energy that can be used for other cellular processes.

Explanation:

Answer: frameshift mutation

Explanation: A frameshift mutation is a particular type of mutation that involves either insertion or deletion of extra bases of DNA. Now, what's important here is the number three. The number of bases that are either added or subtracted can't be divisible by three.

The other side will have 500 thymine bases.

One of the four nucleotide bases of DNA, along with adenine (A), cytosine (C), and guanine, is thymine (T) (G). Thymine nucleotides on one strand of a double-stranded DNA molecule couple with adenine bases on the other strand. DNA and its information is encoded by the order of nucleotide bases.

Adenine (A), thymine (T), and cytosine (C), two nitrogen-containing bases, couple together in typical circumstances. By binding these pairs together, the structure of DNA is created.

Thymine is a pyrimidine nucleobase, also referred to as 5-methyluracil. Thymine is swapped out for the nucleobase uracil in RNA. Albrecht Kossel and Albert Neumann isolated thymine for the first time from calf thymus glands in 1893, hence its name.

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A complex polymer built of monosaccharides is called a polysaccharide.

Polysaccharides are large carbohydrate molecules composed of repeating units of monosaccharides. Monosaccharides are simple sugars such as glucose, fructose, and galactose. When multiple monosaccharides are linked together through glycosidic bonds, they form a polysaccharide.

Polysaccharides serve various functions in living organisms. They can be used as a storage form of energy, structural components, or play a role in cell recognition and communication. Examples of polysaccharides include starch, glycogen, cellulose, and chitin.

Starch is a polysaccharide found in plants and serves as a storage form of energy. Glycogen is a polysaccharide found in animals and functions as a storage molecule for glucose in the liver and muscles. Cellulose is a structural polysaccharide found in the cell walls of plants. Chitin is a polysaccharide found in the exoskeletons of arthropods and cell walls of fungi.

Overall, polysaccharides are important macromolecules in biological systems, contributing to various biological functions and providing a source of energy and structural support.

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Answer:

Because the offspring are not getting genetic material from another organism.

Explanation:

Answer:

heterotroph

Explanation:

Some bacteriophages may cause a lytic infection, in which viral enzymes degrade or rupture, the bacterium’s cell wall, while others cause a lysogenic infection, in which the virus may remain inactive for many cell divisions.

Viruses are microscopic particles which are living only when they are found inside a host organism.

A virus’s protein coat, or capsid, helps trick a host cell to take in the virus.

Viruses that infect bacteria are called bacteriophages

Some cause a lytic infection, in which viral enzymes degrade or rupture, the bacterium’s cell wall, while others cause a lysogenic infection, in which the virus may remain inactive for many cell divisions.

In conclusion, viruses may either employ lytic or lysogenic infections,

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