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frez [133]
3 years ago
6

How does cell differentiation contribute to the formation of new, different types of skin cells?

Biology
1 answer:
ch4aika [34]3 years ago
3 0

During cell differentiation, new proteins are expressed

During cell differentiation, some genes are silenced while some or expressed. Different cells differentiate differently depending on the type of cell is going to become. This is why even though all the cells in a multcellular organism have the same DNA, they become different organ systems that look different.

Explanation:

Different differentiated cells produce different proteins because they express different genes. For example Cells of the epidermis of the skin express the genes for producing keratin (the pigment molecule) while those in the dermis do not express this protein because this gene is silenced in dermis cells. In  addition, in dark-skinned people, these genes are more expressed that in people with light skin.

Learn More:

For more on cell differentiation check out;

brainly.com/question/4768354

brainly.com/question/3239346

#LearnWithBrainly

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The proportion of plants with deep flowers in future generations will decrease and will be very low.

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To analyze this, we need to keep in mind the pollination process and the following general ideas:

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In this particular environment, long-tongued bees used to visit plants with deep flowers to get their nectar. They used to get in contact with mature stamens and carry the pollen on their bodies to the next flower. During this process, long-tongued bees were able to ensure pollination and helped to keep a high reproductive rate of plants with deep flowers.

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Probably, with time, the proportion of plants with deep flowers in an environment dominated by short-tongued bees will be very low.

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