Which of the following does not describe the macronucleus of a paramecium? a. the macronucleus does not disintegrate during conjugation. b. the macronucleus is not exchanged during conjugation. c. the macronucleus has multiple copies of the genes that are used in day-to-day activities. d. the macronucleus forms from the fusion of micronuclei.

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.