What is independent assortment, and how does it contribute to genetic variation?

How does the process of meiosis contribute to genetic variation?

The main function of the Electron Transport Chain is to

Which direction do the two strands of DNA run relative to each other?

Nucleotide base pairing in DNA is universal across organisms.  Each pair (T-A; C-G) consists of a purine and a pyrimidine.  Which of the following best explains how the base pairs form?

What is the primary role of chlorophyll a in photosynthesis?

What is the function of proto-oncogenes in the cell cycle?

In cellular respiration, which molecule serves as the final electron acceptor during aerobic respiration?

What sets up the concentration gradient in the thylakoid space during the light reaction?

What happens to the chromatids during anaphase of mitosis?