Which of the following is true about renewable resources?

a. they can be replaced by a healthy environment.

b. there are plenty for people to use, but only for a very short time.

c. using them will hurt the environment.

d. they cannot be replaced after they are used up.

How would you best describe the role of gene expression in cells a- cells destroy the dna of genes that they do not use b- when cells divide in mitosis, they pass on only the genes that are required. c- to become specialized, cells need to control the production of proteins coded for in their dna d- all genetic information in a cells dna is fully expressed at all times.