Biology: What can happen during a chemical change

What can happen during a chemical change

jennelledenise

11.12.2022

14.57%

Explanation:

From the previous lesson, we understood that the Volume of E.coli = 4.13 × 10⁻¹⁹ m³

The diameter of the ribosome = 20 nm

Radius will be D/2 = 20 nm/2 = 10 nm

The volume of the sphere since the shape of the ribosome is spherical = 4πr³

∴

The volume for each ribosome = 4πr³

For 15000 ribosome, we have:

$= 15000 \times (\dfrac{4}{3}\pi) ((10^{-8})^3)$

$= 15000 \times (\dfrac{4}{3}\pi) (10^{-24})$

= 6.283 × 10⁻²⁰

Thus, the fraction of E.coli volume occupied by the ribosome can be determined by using the formula:

$= \dfrac{Vol. \ of \ ribosome}{Vol. \ of \ E.coli}\times 100$

$= \dfrac{6.283 \times 10^{-20}}{4.31 \times 10^{-19}}\times 100$

= 14.57%

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