A fingernail is a structure belonging to what body system?
a)skeletal
b)circulatory
c)integumentary
d)reticuloendothelial
Free energy is released in cyclic phosphorylation
a. by the formation of ATP
b. during the excitation of chlorophyll
c. during each of the redox reaction of the electron transport chain
it is nonsense to think that.
a. 4 type of nitrogenous base
b. 2 type of nitrogenous base
c. 3 type of nitrogenous base
d. 6 type of nitrogenous base