What is the function or the role of mitosis in a cell that is about to divide?

Biology

1 answer:

Zanzabum3 years ago

3 0

Mitosis is cell division in to daughter cells with the same chromosome number as the parent cell

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Heat from the sun moves through space by the process of

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Heat from the sun moves through space by the process called electromagnetic radiation.

Heat moves in three different ways. They are radiation, conduction, and convection. Radiation happens when heat moves as energy waves, which are called infrared waves, directly from its source to something else. This is how the heat from the Sun gets to Earth.

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They all sound right, but id go with A

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Which of the following does NOT characterize proteins?

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Answer:

The answer is C) They appear to be the molecular carriers of coded hereditary information.

Explanation:

Why NOT C) They appear to be the molecular carriers of coded hereditary information?

This is the job of the nucleic acids. It is composed of nucleotides which are the basic units of DNA and RNA. They carry genetic information about a certain organism.

<h3 /><h3>True of proteins:</h3>

A) They may be denatured or coagulated by heat or acidity.

Denaturation is the destruction of the protein's secondary and/or tertiary structures. The primary structure is not disrupted due to the tough peptide bonds and can only be broken down by acid. For heat denaturation, hydrogen bonds are destroyed, as in cooking of egg whites and medical equipment sterilization.

B) They have both functional and structural roles in the body.

There are many kinds of proteins that have functional and structural roles like hormones (FSH, LH), antibodies (IgA, IgM), enzymes (lipase, amylase), for storage/transport (hemoglobin, ferritin), and locomotion (actin, troponin).

D) Their function depends on their three-dimensional shape.

Just like hemoglobin, it's quaternary structure can carry 4 molecules of iron in one go. Enzymes are shaped accordingly to fit a specific substrate (lock-and-key model)

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Which climates have high annual amounts of rain?

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