BIO 1040 TEST QUESTIONS AND ANSWERS
LATEST UPDATE
__________ and ________ activate enzymes.
Cofactors and coenzymes
True or false: All Enzymes require cofactors and coenzymes
False
___________ are proteins that speed up reactions by decreasing a reaction's
activation energy.
Enzymes
_________-------> Enzyme------>Product
Substrate
Substrate-------> ____________------->Product
Enzyme
True or false: Enzymes are specific for their substrate (their shape exactly
matches)
True
True or false: Enzymes are not changed in the reaction and they can be re-used
True
_________ speed up chemical reactions
Enzymes
The enzyme holds the substrate in its ___________
active site
The enzyme ___________ _________, which stresses bonds causing the reaction
to occur.
changes shape
All chemical reactions require some energy to get them started
activation energy
The higher the ________________, the _____ likely the reaction will occur.
activation energy ,less
________ reactions build larger structures from smaller ones.
Anabolic
_________ reactions break down larger structures into smaller ones
Catabolic
is all the chemical reactions in the body.
Metabolism
___________ (rearrangements of atoms in molecules which require the breaking
and forming of bonds) which require lots of nutrients.
chemical reactions
________ soluble vitamins deficiencies and excess result in disorders
fat
______ soluble vitamin deficiency results in disorders
LATEST UPDATE
__________ and ________ activate enzymes.
Cofactors and coenzymes
True or false: All Enzymes require cofactors and coenzymes
False
___________ are proteins that speed up reactions by decreasing a reaction's
activation energy.
Enzymes
_________-------> Enzyme------>Product
Substrate
Substrate-------> ____________------->Product
Enzyme
True or false: Enzymes are specific for their substrate (their shape exactly
matches)
True
True or false: Enzymes are not changed in the reaction and they can be re-used
True
_________ speed up chemical reactions
Enzymes
The enzyme holds the substrate in its ___________
active site
The enzyme ___________ _________, which stresses bonds causing the reaction
to occur.
changes shape
All chemical reactions require some energy to get them started
activation energy
The higher the ________________, the _____ likely the reaction will occur.
activation energy ,less
________ reactions build larger structures from smaller ones.
Anabolic
_________ reactions break down larger structures into smaller ones
Catabolic
is all the chemical reactions in the body.
Metabolism
___________ (rearrangements of atoms in molecules which require the breaking
and forming of bonds) which require lots of nutrients.
chemical reactions
________ soluble vitamins deficiencies and excess result in disorders
fat
______ soluble vitamin deficiency results in disorders
