Which of the following statements is true about photosynthesis and cellular respiration?
a. both processes use oxygen as a reactant.
b. plants perform photosynthesis
c. plants perform cellular respiration
d. plants perform both of photosynthesis and cellular respiration

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge