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Temka [501]
3 years ago
9

Which is a function of nucleic acids?

Biology
1 answer:
mash [69]3 years ago
7 0

Answer:

they provide structure

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The pedigree traces red-green color blindness. Lisa and Monica are half-filled circles. Sam, Bella, Joshua, and Tim are filled-i
lyudmila [28]

Answer:

Sam, Tim, Bella, and Joshua

Explanation:

The correct answer would be <em>Sam, Tim, Bella, and Joshua</em>.

<u>The human pedigree is a pictorial representation of a family tree that depicts how a particular trait is inherited across different generations.</u>

In the human pedigree, those phenotypically affected for the trait in question are represented by filled-in shapes, with circles representing females and squares representing males. Half-filled shapes represent heterozygosity or carriers of the trait.

<em>Sam, Tim, Bella, and Joshua were represented by filled-in shapes in the illustrated pedigree. Hence, they are affected for red-green color blindness. </em>

8 0
2 years ago
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What is a substance that can be formed through the ionic bonding of an anion and a cation?
bagirrra123 [75]
A chemical substance that can be formed from the ionic bonding of an anion and a cation would be Al2O3.
7 0
3 years ago
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The inner mitochondrial membrane contains numerous inward folds called cristae, which greatly increase the surface area of this
erastova [34]

Answer:the villi of the intestine

Explanation:like the cristae of the mitochondria which increase the surface area for the production of ATP,the villi of the intestine acts similarly.

In animals, digested food pass from the stomach to the intestine. In the intestine , enzymes acts on the food. Absorption of food takes place there and there are some structures that facilitates it. The walls of the intestine have numerous foldings , alongside the presence of finger like projection called villi. Microvilli are also presence from the cell walls of the intestine . These projections increase the surface area for the absorbing of food .they brush against food in the intestine and promotes absorption of nutrients.

6 0
2 years ago
Which of the following characteristics are true for an action potential?
pickupchik [31]

Answer:

I, II, III

Explanation:

A threshold stimulus is a stimulus that is capable to produce a response in excitable tissues such as neurons and muscle fibers. At threshold potential, the outward movement of K+ and inward movement of Na+ become equal to each other. When the potential exceeds the threshold potential, more and more Na+ enter the cell to depolarize it and to allow the opening of Na+ channels. Therefore, to fire an action potential, the threshold must be exceeded.

Conduction of action potential is all or none phenomenon which means that either it occurs or it does not occur. As an impulse is passed by each successive part of an exon, it enters the refractory period during which there is no conduction of nerve impulse. It ensures the one-way conduction of impulse from the cell body to the axon terminal only.

6 0
3 years ago
Water mitosis and Metosis​
BARSIC [14]

Answer:

Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells.

5 0
3 years ago
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