Which is a function of a cell wall? a. give shape to a cell. b. store sugar for use by the mitochondria. c. control what materials move into and out of a cell. d. capture light energy to make sugar through photosynthesis.

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

What could happen if two base pairs on a strand of dna or switched

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals