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ad-work [718]
3 years ago
5

What is used to direct protein synthesis in the cell?

Biology
1 answer:
Vitek1552 [10]3 years ago
3 0

The correct answer is: C. sequences of nitrogenous bases in the cell’s DNA

The synthesis of proteins is a final phase of gene expression. Gene expression is initiated in the cell nucleus, where specific enzymes copy the segment of DNA into mRNA. This process is called transcription and it is performed via RNA polymerase. mRNA molecule then moves from the nucleus to the cytoplasm, where the  translation take place. Translation is the process where mRNA is “decoded” in the ribosome and polypeptide chain synthesized. After folding, polypeptide chain becomes protein.


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You measure the pH of your backyard soil and find it is 7. You measure the pH of your friend's backyard soil and find it is 4. H
olchik [2.2K]

Answer:

1000 times.

Explanation:

Hello,

In this case, since the pH is defined by:

pH=-log([H^+])

If we want to compute the concentration of hydrogen we must write:

[H^+]=10^{-pH}

Thus, for both the backyard soils we compute:

[H^+]_{pH=7}=10^{-7}=1x10^{-7}M

[H^+]_{pH=4}=10^{-4}=1x10^{-4}M

It means that:

\frac{[H^+]_{pH=4}}{[H^+]_{pH=7}} =\frac{1x10^{-4}M}{1x10^{-7}M}\\ \\\frac{[H^+]_{pH=4}}{[H^+]_{pH=7}}=1000

It means that the concentration of hydrogen at a pH of 4 is 1000 times greater than the concentration of hydrogen at a pH of 7.

Regards.

4 0
3 years ago
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