Q: What is the name of a reactant in an enzymatic reaction? Choices: - membrane - Scar - tissues - substrate A:
substrate

Q: What is the term for the blockage of an artery by the buildup of fatty plaques? Choices: - fibrosis - cancers - clumps - atherosclerosis A:
atherosclerosis

Q: What must replicate in the cell cycle before meiosis i takes place? Choices: - cell walls - sperm - meiotic fluid - dna A:
dna