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2 years ago

Cell cycle regulators are:

Biology

1 answer:

sweet-ann [11.9K]2 years ago

6 0

Answer:

If this didn't help then vote me 1 star. Thanks.

Explanation:

Two groups of proteins, called cyclins and cyclin-dependent kinases (Cdks), are responsible for the progress of the cell the. A phosphatase is an enzyme that removes a phosphate group from a protein. Together, these two families of enzymes act to modulate the activities of the proteins in a cell, often in response to external stimuli. Rough the various checkpoints. What genes destroy cancerous cells? The primary function of the p53 gene is to repair or destroy defective cells, thereby controlling potential cancerous cells. This type of gene is called an anti-oncogene or tumor suppressor gene Cancer growth blockers are also called cancer growth inhibitors. They are a type of targeted cancer drug. Our body makes chemicals called growth factors that control cell growth. Cancer growth blockers work by blocking the growth factors that trigger cancer cells to divide and grow. There are many types of cancer growth blockers that work in different ways..

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Two organisms have analogous structures. A student concluded that these organisms must have a common ancestor is the student cor

arsen [322]

Answer:

The student is wrong, just because the analogous structures of any two organism may have the same structure or even have the some relation between there way of operation or functions.

Explanation:

Analogous Structures:

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

For example:

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

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3 years ago

When Charles Darwin considered some of the unique structures found in modern animals, like the feathered wings of birds, he famo

REY [17]

Answer:

Charles Darwin’s study of evolution predicts that genetic evidence would show that all organisms share a common ancestor.

Option: (B)

Explanation:

Through his "theory of evolution", Darwin found that the species exist and new species form based on natural selection.
He studied the animals and birds in Galapagos island for his evolution theory.

The four key points of Darwin's Theory of Evolution:

individuals of any species are not identical;

genes are passed from one 'generation' to another;

more offspring are born than can survive;

only the 'survivors of the competition' for the resources will reproduce.

7 0

3 years ago

What do the cell walls of plants and the extracellular matrix of animal cells have in common?

Tasya [4]

here you go

Explanation:

What do the cell walls of plants and the extracellular matrix of animal cells have in common? They have functional connections with the cytoskeleton inside the cell.

7 0

3 years ago

Which two characteristics describe all organism in the domain Eukarya

Step2247 [10]

The answer should be d, they are in domain eukarya so their cells are eukaryotic.

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3 years ago

What are the 3 environmental stresses? Give examples for each of the stressors

son4ous [18]

Stressors may be natural in origin, being associated with such environmental influences as:
competition, predation, disease, and other interactions among organisms
constraints related to climate or to inadequate or excessive nutrients, moisture, or space
disturbances such as wildfire and windstorms

5 0

3 years ago