In which part of aerobic cellular respiration is oxygen used
a) kerbs cycle
b) glycolysis
c) electron transport chain
d) pyruvate processing

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

How do living things obtain phosphorus

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.