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irga5000 [103]
3 years ago
15

The opening of a _______ channel is controlled by the binding of some molecules to the channel.

Biology
1 answer:
MArishka [77]3 years ago
4 0

Answer:

Ligand gated.

Explanation:

Channels are important as they help in the transferring of one molecule from one place to another inside the cells. These channels also provide the way of cell communication.

The ligand gated channels generally open in response to the binding of ligand or some molecules with the channel. Sodium gated channels open in response to the binding of sodium with the channels.

Thus, the correct answer is option (a).

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The large surface area in the gut directly facilitates _____.
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Answer:

B. Absorption

Explanation:

  • Absorption is a process that takes place in the small intestines or ileum of the GI tract, in which simple and soluble nutrients are absorbed into the blood stream.
  • Absorption is enhanced by several adaptations of the gut such as large surface area of the gut which directly facilitates absorption of nutrients.
  • Presence of villi and microvilli in the gut increases the surface area for absorption of nutrients in the ileum.
6 0
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How does maintaining safe water quality, treating water,
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Answer:

Water can carry many different kinds of bacteria and possible diseases. It is important to treat the water correctly so these are not consumed. Having good water quality means having safe water to drink for all.

Explanation:

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Answer:

Silent mutations do not affect protein function

Explanation:

A mutation is defined as any alteration in the genetic material of a cell of a living organism. Moreover, a silent mutation refers to any mutation that does not alter the phenotype of the cell/organism (they are evolutionary neutral mutations). Silent mutations are base substitutions that do not alter the amino acid sequence of the resulting protein, and therefore these mutations do not alter protein function.

5 0
3 years ago
1)How many years of history separate 1200 B.C. and A.D. 450?
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C 1650 Because you have to factor in the difference of BC and AD. you must get 1200 BC to 0 first, and then go to 450, therefore getting 1650 
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How is one molecule of glucose formed during photosynthesis?
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Please expatiate on the question.
But u can still mark me as brainliest.
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