Question

what is the function of the nucleolus?
a it regulates the integrity of genes and gene expression.
b it controls the heredity characteristics of an organism.
c it is responsible for protein synthesis, cell division, growth and differentiation.
d it is where the ribosomes are assembled

Explanation:

The nucleolus is a structure within the nucleus. Its main function is ribosome assembly. Option a is more related to the nucleus as a whole in terms of gene - related functions. Option b is about the role of DNA (in the nucleus) for heredity. Option c is a general function of the nucleus for cell activities.

Answer:

d. It is where the ribosomes are assembled.