At the DNA synthesis (G2) checkpoint, DNA replication is checked by Group of answer choices electron transport chains. repair enzymes. cell surface markers. receptor proteins. Flag this Question

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

How does science influence the decisions made about social, economic, and political issues?