The citric acid is a stage of catabolism that oxidizes acetate into carbon dioxide and generates energy. there are eight enzymes involved in the citric acid cycle.

which enzymes produce nadh as a product? select all that apply

a. alpha-ketoglutarate dehydrogenase

b. succinate dehydrogenase

c. malate dehydrogenase

d. isocitrate dehydrogenase

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

All ova contain sex chromosomes corresponding to: x y xx xy

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen 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. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody