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algol [13]
2 years ago
10

Two advantages of secondary tissues?

Biology
1 answer:
harkovskaia [24]2 years ago
4 0

Explanation:

Whereas primary tissues allow for vertical growth, secondary tissues allow for lateral growth: they allow stems and roots to become wider. In roots, the formation of both secondary meristems involves the pericycle.

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You tear a piece of paper in half to make it smaller. What type of property
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D. A physical property

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The difficulty of reading under dim light conditions can be explained by _____
Nutka1998 [239]

Answer:

the fact that rod functioning predominates during dark adaptation, therefore poor acuity

Explanation:

  • Rods and cones are the photoreceptor cells present in the eye that perform the function of converting the light received into signals that stimulate the biological processes.
  • Out of the rods and cones, the rods are more sensitive and they are so sensitive that they can be activated even under low light conditions.
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5 0
2 years ago
Imagine that a mutation in DNA produces a protein with a slightly different amino acid sequence. how would this mutation affect
Lynna [10]

Answer:

It would most likely render the protein nonfunctional or mis-functional.

The mutation could result in three outcomes:

  1. Silent mutation, which changes the codon to the same amino acid. (AAA->AAG, both are lysine). But since the problem specified that it has a "slightly different amino acid sequence," we can assume this doesn't happen.
  2. Nonsense mutation, which changes a codon to a stop codon. This would end the chain of amino acids, making the protein potentially nonfunctional.
  3. Missense mutation, which changes a codon to another completely different codon. This can be harmful, as in sickle-cell disease, where just one amino acid, glutamic acid, is changed to valine.

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What is an adaptation?
blsea [12.9K]

Explanation:

A genetic trait that helps an organism be more successful in its environment

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