Which adaptation would most likely help a plant collect more energy for photosynthesis? A. Broad leaves B. Short stems C. Deep roots D. Large flowers SCIENCE

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

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.