4 years ago

How does a mutation occur?

1 answer:

8 0

Mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.

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What structures are present in an animal cell, but not in a plant cell?

katrin2010 [14]

Answer:

Animal cells each have a <u>centrosome and lysosomes</u>, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

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3 years ago

Sea lions possess jowl-like features on their faces that resemble some

tresset_1 [31]

I would say that it resembles a dog, because none of the other ones really have "Jowls"

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4 years ago

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Aleks [24]

Answer:

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