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Sunny_sXe [5.5K]
3 years ago
9

Need help answering these questions please help really need the answers

Biology
1 answer:
shutvik [7]3 years ago
7 0

the answer for the first one is B

and the second is B


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What is the velocity of a wave
r-ruslan [8.4K]

Answer:

go help me on my 3 question please

Wave velocity in common usage refers to speed, although, properly, velocity implies both speed and direction. The velocity of a wave is equal to the product of its wavelength and frequency (number of vibrations per second) and is independent of its intensity.

Explanation:

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The side chain of ________ has a pKa in the physiological pH range and is therefore often involved in proton transfer during enz
Free_Kalibri [48]

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His

Explanation:

The side chain of Histidine has a pKa in the physiological pH range and is therefore often involved in proton transfer during enzymatic catalysis. It is a amino acid which is used for the biosynthesis of protein. Histidine was initially thought to be essential only for infants but now it has  been found to be essential for adults too.If we see the histidine structure contains an α-amino acid, a carboxylic acid group, and an imidazole side chain.

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4 years ago
Codons are three-base sequences in mRNA that specify the addition of a single amino acid to the growing protein chain during tra
LenaWriter [7]

Answer:

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3 0
3 years ago
Heat _____.
zmey [24]

I think it’s A) heat has less energy than visible light

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