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vitfil [10]
3 years ago
12

What is a promoter? it's a region of dna that binds dna polymerase to begin replication. it's a protein that promotes transcript

ion it's a region of rna that binds ribosome to begin protein synthesis. it's a region of dna that binds rna polymerase to begin transcription?
Biology
1 answer:
Zinaida [17]3 years ago
8 0
It's a region of DNA that binds DNA Polymerase to begin replication.
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An ulcerated stomach lining often repairs itself once the source of inflammation has been eliminated. How is this possible?
erma4kov [3.2K]

Answer:

c.) The mucosa  consists of a particularly vascular epithelium that facilitates efficient repair and renewal

a.) The tissue lining the stomach is an epithelium and thus capable of repair and renewal

Explanation:

The cells that form the lining of the stomach are deemed to wear out regularly due to the regular food intake they handle.

Due to this constant wearing, this cells have a mechanism of rejuvinating in order to handle their work.

4 0
3 years ago
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Myofibrils are made primarily of
Nadusha1986 [10]

Answer:

A) actin and myosin  is a correct answer.

Explanation:

  • Myofibrils are the contractile fiber and they are made of actin and myosin.
  • Myofibrils are made of thick myofilaments and thin myofilaments.
  • Thick myofilaments are made up of myosin whereas thin     myofilaments are composed of actin.
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Thus Myofibrils are made primarily of (A) actin and myosin.

5 0
3 years ago
the beaker shown here has a membrane that separates two solutions. water can pass through the membrane, but starch cannot pass t
ANTONII [103]

When two solutions are separated by the membrane through which water can pass but starch cannot, the osmosis will occur.

Osmosis is described as the spontaneous movement of water through membrane from a region of lower solute concentration into a region of higher solute concentration. Water movement tends to equalize the solute concentrations on the two sides.  

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Which layer of the digestive tract is in direct contact with digested food?​?
Olegator [25]
The layer is the Mucosa layer.

Hope this helps!

-Payshence xoxo
7 0
3 years ago
Which of the following subject areas contains questions that can be answered by science?
Iteru [2.4K]

Answer:

Nature

Explanation:

Because its all explained by science

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3 years ago
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