I and II e. cytochrome proteins 4. Release of energy in cells by breaking down of glucose a. requires oxygen b. involves passage through the glycolytic pathway c. The processes of endocytosis and exocytosis a. are balanced in non-dividing cells b. involve a proton gradient c. occur only during the G1 phase of the cell cycle d. occur only in specialized cells in the body e. occur in the mitochondria 6. Deoxyribonucleic acid is an informational molecule because a. I b. random segregation of chromosomes at Metaphase I c. random segregation of chromosomes at Metaphase II d. reduction in chromosome number e. replication of DNA 11.
Cyclic pathways occur in many different metabolic reaction schemes.
Identify the order of these events in meiosis i. crossing over, or recombination, occurs ii. Reactions that occur in cells are catalyzed by proteins termed enzymes.