Which set of substances requires either channel or transport proteins in order to cross the cell membrane?
A. H20, NaCl, C6H1206
B. NaCl, NH2CONH2, 02
C. N2, H20, C6H1206
D. N2, H20, NH3

Describe five factors that influence the value of fuel

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate

What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad