Griffith determined that DNA is the genetic material
a. true
b. false
Answer: b. false
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Recall that archaea and bacteria used to be grouped in the same category. How were archaeons first distinguished from other prokaryotes?
A. through differences in cell size and shape B. through the fact that archaeons have linear and not circular chromosomes C. through differences in ribosomal RNA sequences D. through the lack of horizontal gene transfer in archaeons E. through the observation that archaea cell size is independent of diffusion
Gibberellin induces
a. plants to bend toward the light. b. cell division in meristems. c. hydrolysis of starch in seeds. d. fruits to ripen. e. more than one of these to occur
From what is the lipid-containing outer envelope surrounding the viral capsid of many animal viruses derived?
A) the outer membrane of the chloroplast B) the outer mitochondrial membrane C) the nuclear envelope D) the plasma membrane E) the lysosomal membrane
Glycolysis is a metabolic process that is done by all cells. However, not all cells make use of another metabolic process called the Krebs cycle. What does this tell you about the evolution of these processes?
A. Both the Krebs cycle and glycolysis likely evolved at the same time B. As a metabolic process, the Krebs cycle likely evolved prior to glycolysis C. As a metabolic process, glycolysis likely evolved prior to the Krebs cycle