Questions with Answers (100% Correct
Answers)
What is metabolism? Answer: chemical reactions of biosynthesis and energy
harvesting
in order for a cell to grow (and thus divide) what two things must it do?
Answer: synthesize new components (biosynthesis) harvest energy (ATP)
production
catobolic reations are ______ reactions thus they produce energy from the
__________ of larger molecules. Answer: degradative; breakdown
anabolic reactions _______ energy and are involved in the _______ of cell
components. Answer: require;synthesize
would a cell survive if it could only do catabolic reactions and not anabolic
reactions? Answer: no, because catabolic reactions breakdown and anabolic
puts together.
why is an energy (ATP) supply important to the cell? Answer: must have a
constant supply of energy to complete life processes
how is energy released from an ATP molecule? Answer: by breaking off a
molecule at a weak bond
how can ATP be formed? Answer: substrate phosphorylation, oxidative
phosphorylation, photophosphorylation
substrate phosphorylation Answer: uses chemical energy to add phosphate ion
to molecule of ADP
oxidative phosphorylation Answer: uses energy from proton motive force to
add phosphate ion to ADP