Question

What proportion of the proteome is expressed in the brain and what does this imply?

a) 10%, diverse functionality
b) 50%, specialized functions
c) 70%, minimal diversity
d) 90%, extensive functionality

Answer 1

The proportion of the proteome expressed in the brain is 90%, indicating extensive functionality.

Step-by-step explanation:

The proportion of the proteome expressed in the brain is d) 90%, indicating extensive functionality.

Proteins are the most abundant organic molecules in living cells, and the human body contains well over a million different kinds of proteins. Each protein has its own specific composition and unique molecular weight, allowing them to perform a wide range of functions in the brain and other parts of the body.