What is the process in which the 6-carbon sugar glucose is broken down into 2 3-carbon pyruvic acid molecules. select one: a. citric acid cycle b. glycolysis c. fermentation d. electric transport chain

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

Which of the following types of reactions would decrease the entropy within a cell? a. dehydration reaction, b. hydrolysis, c. respiration, d. digestion, e. catabolism.