ACTUAL QUESTIONS AND CORRECT
ANSWERS
What is metabolism? - CORRECT ANSWERS✅✅chemical reactions of biosynthesis and
energy harvesting
in order for a cell to grow (and thus divide) what two things must it do? - CORRECT
ANSWERS✅✅synthesize new components (biosynthesis) harvest energy (ATP) production
catobolic reations are ______ reactions thus they produce energy from the __________ of
larger molecules. - CORRECT ANSWERS✅✅degradative; breakdown
anabolic reactions _______ energy and are involved in the _______ of cell components. -
CORRECT ANSWERS✅✅require;synthesize
would a cell survive if it could only do catabolic reactions and not anabolic reactions? -
CORRECT ANSWERS✅✅no, because catabolic reactions breakdown and anabolic puts
together.
why is an energy (ATP) supply important to the cell? - CORRECT ANSWERS✅✅must
have a constant supply of energy to complete life processes
how is energy released from an ATP molecule? - CORRECT ANSWERS✅✅by breaking
off a molecule at a weak bond
how can ATP be formed? - CORRECT ANSWERS✅✅substrate phosphorylation, oxidative
phosphorylation, photophosphorylation
substrate phosphorylation - CORRECT ANSWERS✅✅uses chemical energy to add
phosphate ion to molecule of ADP
, oxidative phosphorylation - CORRECT ANSWERS✅✅uses energy from proton motive
force to add phosphate ion to ADP
photophosphorylation - CORRECT ANSWERS✅✅utilizing radiant energy from sun to
convert phosphorylate ADP to ATP
enzymes - CORRECT ANSWERS✅✅facilitate each step of a metabolic pathway
enzymes are made of ____. they catalyze reactions by _____ activation energy of a reaction. -
CORRECT ANSWERS✅✅proteins;lowering
can enzymes be used over and over or are they are one time use component? - CORRECT
ANSWERS✅✅recyled in cell and re used
must every enzyme always be present in the cell? - CORRECT ANSWERS✅✅yes
how does an enzyme work? - CORRECT ANSWERS✅✅catalyze reactions by lowering
activation energy
all enzymes have ___ at the end of their name. - CORRECT ANSWERS✅✅ase
exoenzymes are - CORRECT ANSWERS✅✅break down large molecules outside of the
cell, must be exported
endoenzymes - CORRECT ANSWERS✅✅break down molecules inside of the cell
what environment factors affect enzyme activity? - CORRECT ANSWERS✅✅Temp, PH,
SaH concentration
what is competitive inhibition? - CORRECT ANSWERS✅✅something is blocking the site
stopping reaction from working