Question

A spheroidal bacterium with a diameter of 1 m contains two molecules of a particular protein. What is the molar concentration of the protein?

Answer 1

Answer:

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Answer 2

Molar concentration

Explanation:

• A spherical bacterium is round. It's more or less shaped like a sphere and is commonly called a coccus

• Diameter of bacterium = 1 m
• radius in cm = 0.5 x $10^{-4}$ cm
• Formula is V=$\frac{4}{3}$$\pi$$r^{3}$  

• V=$\frac{4}{3}$$\pi$ ( 0.5 x $10^{-4}$)  
• ∴hence, V= 5.2 X $10^{-13}$ ml= 5.2 X $10^{-16}$ l
• there are two molecule, so ∴ 6.4 X $10^{-9}$ M
• so answer is 6.4 nM.