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Jet001 [13]
3 years ago
8

What portion of a pre-mRNA molecule may be cut out and discarded before the molecule reaches the ribosome?

Biology
1 answer:
sergij07 [2.7K]3 years ago
5 0

What portion of a pre-mRNA molecule may be cut to be discarded?

ans:- In eukaryote cells the primary transcript (pre-mRNA) is processed. One or more sequences (introns) are cut out.

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Answer:

\boxed{\sf A. \ 51 \ mL}

Explanation:

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As the sphere completely sinks to the bottom of the cup.

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\sf Radius \:  of \:  sphere  \: (r) =  \frac{Diameter \:  of \:  sphere \: (d)}{2}  \\  \sf =  \frac{4.6}{2}  \\ \sf  = 2.3 \: cm

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\boxed{ \bold{V =  \frac{4}{3} \pi {r}^{3} }}

By substituting value of r we get:

\sf \implies V =  \frac{4}{3}  \times \pi \times  {(2.3)}^{3}  \\  \\  \sf \implies V =  \frac{4}{3}  \times 3.14 \times 12.167 \\  \\ \sf \implies V =    \frac{152.81752}{3} \\  \\   \sf \implies V =  50.94 \:  {cm}^{3}  \\  \\   \sf \implies V  \approx 51 \:  {cm}^{ 3}

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