Which of the following sequences correctly represents the flow of electrons during photosynthesis?
a. nadph -> o2 -> co2
b. h2o -> nadph -> calvin cycle
c. nadph -> chlorophyll -> calvin cycle
d. h2o -> photosystem i -> photosystem ii
e. nadph -> electron transport chain -> o2

Four types of motile cells in human body?

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen