After many years of normal function, a cell begins producing different proteins than it produced before. Propose two different explanations for this change.

Which plant has a visible leaf modification that will it conserve water in extremely dry environments?

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer