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sergiy2304 [10]
3 years ago
10

why does prolonged exposure to UV light from the sun or tanning beds increase the risk of getting skin cancer

Biology
1 answer:
Ratling [72]3 years ago
8 0
In short, because the UV rays damage skin cells, which increases the risk of a mutation possibly leading to skin cancer.

Hope this helps.
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Purple flowers are dominant to white flowers. A heterozygous purple flower is crossed with a white flower. What are the probabil
Zanzabum

Answer:

50% probability of Pp (purple) or pp (white) genotype.

Explanation:

P = purple gene

p = white gene

Punnet squares show the possible genotypes and probabilities of each genotype in the offspring of a cross:

Purple flower genotype (heterozygous) = Pp

White flower genotype = pp

Punnet Square:

\left[\begin{array}{ccc}&P&p\\p&Pp&pp\\p&Pp&pp\end{array}\right]

Potential genotypes for offspring are Pp and pp;

According to the Punnett square, 2 of 4 offspring will have the Pp genotype and the other 2 will have pp genotypes;

This means 2 should be purple and 2 white;

Or, there is a 50% chance of having either genotype, of being purple or white.

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3 years ago
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During protein synthesis, ribosomes are assembled in the nucleolus, pass through the nuclear pores into the cytoplasm, and then
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A. Golgi apparatus :$
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Suppose that you have some rod-shaped bacteria, and each bacterium is 3 micrometers long. If the bacteria were arranged end to e
Amiraneli [1.4K]

Answer:

Number of bacteria required = 20000

Explanation:

Given -

Size of each bacterium = 3 micrometers long

These bacteria are arranged end to end.

The size of chain to be formed is equal to 6 centimetres

Let us say that in forming a chain of 6 centimetres nearly X number of individual bacterium are required.

hence, number of bacterium required to form 6 centimetres  chain can be represented as

X = \frac{6 * 10000}{3} \\X = 20000

Number of bacteria required = 20000

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2 years ago
What is the main function of the nucleolus?a. It produces enzymes that are then exported to the lysosomes. b. It produces cell a
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Answer:

C..

Explanation:

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Is the onion skin composed of one or many cells
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Answer:

It is 2 cells I believe

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