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3 years ago

What describes the main purpose of RNA polymerase during transcription?

Biology

2 answers:

Slav-nsk [51]3 years ago

8 0

Answer: RNA polymerase produces mRNA from DNA

tia_tia [17]3 years ago

4 0

The enzyme, RNA polymerase, which performs the transcription process, binds to the promoter sequence and then beings to work its way down the DNA segment, constructing RNA to match the DNA nucleotides over which the enzyme passes.

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From which part of the plant do we obtain from 1. Hemp ____________________

boyakko [2]

Answer:

Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'. The foods are called glucose and starch.

Explanation:

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3 years ago

Different environments can be affected by various types of pollution. How would bacteria and algae in a pond kill fish and other

makvit [3.9K]

The polluted bacteria and algae interacts with fish and other aquatic wildlife, so they will be negatively impacted by that relationship in this case.

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3 years ago

Which of the following does NOT characterize proteins?

8090 [49]

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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3 years ago

All cells are contained within a membrane called the:

soldier1979 [14.2K]

Answer:

D. phospholipid bilayer

Explanation:

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3 years ago

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Select the appropriate statement about healing wounds.

Diano4ka-milaya [45]

The most appropriate statement about healing wounds from the choices given is "cell growth increases both toward the beginning and the end of the healing process." The correct answer is A.

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3 years ago

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