Base your answer(s) to the following question(s) on the diagram below and on your knowledge of biology. The diagram represent a cell and its changes as a result of two laboratory procedures, A and B. Explain why procedure B has the opposite effect of procedure A.

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Approximately how many times does an average human heart beat in a lifetime?