1. How many layers thick is simple cuboidal epithelium? a. One
b. Two or three
c. Between five and ten
d. It varies

2. Which is not true of all epithelium?
a. On a surface
b. Tightly packed cells
c. Multiple layers of cells
d. Cells in continuous sheets

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes