What role do NADH and FADH2 serve in catabolism?
A. NADH and FADH2 donate electrons to oxygen.
B. NADH and FADH2 are electron carriers.
C. NADH and FADH2 donate electrons to ATPase (ATP synthase).
D. NADH and FADH2 pump protons across a membrane.
B. NADH and FADH2 are electron carriers.
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Up to 50% of persons who survived polio as children will suffer from post-polio syndrome later in life.
Answer the following statement true (T) or false (F)
Prokaryotic and eukaryotic ribosomes are structurally and chemically identical
Indicate whether the statement is true or false
The following are differences between amphibians and reptiles EXCEPT
A. amphibian eggs are laid in water, but reptiles do not require water for reproduction. B. amphibians have smooth non-scaly skin, whereas reptiles are covered with scales and their skin is dry. C. reptiles are ectothermic, while amphibians are endothermic. D. all reptiles respire by the use of lungs, while amphibians use small lungs supplemented by cutaneous respiration.
The ________ is the point at which a lens focuses parallel beams of light.
Fill in the blank(s) with the appropriate word(s).