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Paraphin [41]
3 years ago
6

What does that mean and how can our skin color be so varied?

Biology
1 answer:
Alex787 [66]3 years ago
3 0

Answer:

People have different skin colors mainly because their melanocytes produce different amount and kinds of melanin. The genetic mechanism behind human skin color is mainly regulated by the enzyme tyrosinase, which creates the color of the skin, eyes, and hair shades.

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We learned that Robert Hooke named cells from the Latin, cella, which means "small room". Do you think Mr. Hooke was observing p
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Plant cells

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Visually, plant cells are more rectangular and organized as compared to animal cells which are more diverse in shape. I hope this can help you!

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2 years ago
The relationship between the food we eat and the energy in our body
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The food that we eat give us the energy that we have in our bodies. That energy can help us in out everyday lives . 
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2 years ago
The process of _____ occurs when the sending neuron normally reabsorbs excess neurotransmitter molecules. Please type the correc
ycow [4]

Answer:

The process of reuptake occurs when the sending neuron normally reabsorbs excess neurotransmitter molecules.

Explanation:

The process of reuptake takes place when a cell that initially produced and emitted a particular substance reabsorbs it again. Serotonin is one of the secretions affected by this process since it can be reabsorbed if it sticks to receptors located in the original nerve where it was produced to be then released once again.

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3 years ago
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If x represents a number then write an expression for a number that is three more than the number
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X+3

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3 years ago
Conifer trees dominate boreal forests rather than tundra because of
Masja [62]

Coniferous trees dominate Boreal forests rather than tundra because of the lack of permanently frozen soil.

a lack of permanently frozen soil.

<u>Explanation:</u>

Boreal forests are characterized by a cold but not so cold weather. This means that it is too cold for the growth of deciduous trees. When it comes to the growth of tundra, the weather isn’t cold enough for the growth of tundra.

Tundra requires permafrost which is a permanently frozen layer of ground . The Boreal forests lack permafrost and thus isn’t suitable for the growth of tundra vegetation.

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