Multiple Choice Which of the following is not a reason green algae are classified as plants? A. They have cellulose in their cell walls. B. They have chlorophyll a and b. C. They have genes similar to genes in land plants. D. They are single-celled organisms.

Dna replication or repair occurs in a cell in all of thw following situations except when

Suppose you could go back in time to interview henri becquerel on the day he discovered radioactivity. from his perspective, write an account of the discovery.

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.