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Iteru [2.4K]
3 years ago
10

By age 65, what percentage of adults are grandparents? 75 80 85 90

Biology
1 answer:
frutty [35]3 years ago
7 0
85% of adults are grandparents by age 65. This estimation has been made in the U.S. from the surveying of the elderly. So, the correct choice is the third option: 85. 

Let me know if you need further info. :)

                - Dotz
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Tyrosine is listed as a non-essential amino acid because it can be synthesised from the essential amino acid phenylalanine.

<u>Explanation:</u>

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But the amino acid tyrosine can be synthesized from the amino acid phenylalanine which is an essential amino acid. Thus tyrosine will be a non-essential amino acid.

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