Which system is composed of skin, hair, and nails? 

What occurs during cytokinesis?

What is the function of proto-oncogenes in normal cells?

Which of the following is an example of a mutation that affects gene expression? 

What is the correct pathway of sperm from production to ejaculation? 

What is the role of enzymes in the body?

What is the outcome of meiosis II in terms of chromosome number? 

Where does oogenesis primarily occur in females?

Which term describes an organism that has two identical alleles for a particular trait? 

Where is the energy stored in an ATP molecule?