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LenKa [72]
3 years ago
12

Help pls..... 14 to 18 :c

Biology
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

15-c, 16-c, 17-roans, 18-c

Explanation:

!'m not sure why they are all c, but i believe they are all correct.

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Which of the following describes the embryonic period? the period during which the zygote moves down to the uterus and begins to
muminat

Answer:

Option (2).

Explanation:

Zygote is formed by the fusion of the male and female gamete during the process of sexual reproduction. The zygote undergoes further development inside the female womb.

The embryonic period starts from the third week after the conception. The important organs and structure development occur during the embryonic period. The formation of three germ layers occur in this period.

Thus, the correct answer is option (2)

6 0
3 years ago
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8 0
4 years ago
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Hi there!

Although there are only 20 amino acids, these amino acids can combine into an innumerable amount of combinations to form different and unique proteins. 

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