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torisob [31]
3 years ago
12

Why is water so important?

Biology
2 answers:
maria [59]3 years ago
7 0

Water is essential to life. Water makes up more than 50% of the weight of all living things, and very few organisms can survive a long time with no water. The total amount of water found on Earth never changes but it gets transported by the water cycle.

Aleksandr [31]3 years ago
5 0
"Water<span> is </span>important<span> because the human body has a drought management system that prevents dehydration and </span>water<span> is the most crucial part of that system. </span>Water<span> also helps regulate body temperature, serves as a lubricant and is a natural headache remedy (headaches can be a sign of dehydration)." -uk</span>
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stealth61 [152]
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3 years ago
In animals, the inability to make the pigment melanin results in albinism, a recessive autosomal condition. Two unaffected paren
Fittoniya [83]

Answer: 1/16, or approximately 6.25% (see explanation below)

Explanation:

Answering this question requires two steps.

First, we need to figure out the probability that this couple will have a child with albinism in the first place. We know the following:

- Both parents are unaffected.

- The couple has already had one affected child.

- Albinism follows an autosomal recessive inheritance pattern.

Let ( M = normal gene ) and ( m = mutated gene ). Since the condition is recessive, the affected child can be assumed to have a “mm” genotype. Barring the possibility of a de novo mutation (which are assumed to be rare), the affected child must have inherited one ”m” allele from each parent. Since both of them are unaffected, however, we can assume that they are both carriers (genotype “Mm”). In conclusion, 1/4 of their offspring (25%) <em>for any given pregnancy</em> may be expected to have albinism. See the resulting Punnett square:

<u>       |      M    |      m   </u>

<u>M    |    MM   |    Mm  </u>

<u>m    |    Mm   |    mm  </u>

Note that the question asks about the probability that not one but two consecutive births result in affected children. Since it can be assumed that both events are independent (meaning: the outcome of a pregnancy does not influence the outcome of following ones), we may apply the rule of multiplication for probabilities. The final answer is therefore 1/4 * 1/4 = 1/16.

7 0
3 years ago
How can natural selection account for a the long snout of an anteater
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Natural selection helps the anteater get food easier than others.
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3 years ago
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Answer:

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Explanation:

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  • These dust storms resulted from severe drought and failure of practices to prevent soil erosion.
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3 years ago
What shape represents the phosphate in a nucleotide?
ruslelena [56]

Answer:

Each nucleotide is made up of a nitrogenous base, a pentose sugar, and a phosphate. The remainder of the molecule forms the pentose sugar.

Explanation:

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