The general term that describes energy stored in chemical bonds is
entropy
potential energy
bioenergetics
kinetic energy
thermodynamics
Activation energy is
the energy required to bring molecules into a position where they can interact
required to convert an endergonic reaction to an exergonic reaction
the energy lost or gained in a reaction
the energy required for an endergonic reaction
A reversible reaction is one where
there are small changes in the net free energy from substrate to product
a reaction between products is unlikely due to the high activation energy
there is no change in the net free energy from substrate to product
there are large changes in the net free energy from substrate to product
The addition of a phosphate group to a substrate is called _________. The enzyme that catalyzes this reaction is referred to as a _________.
proteolysis; phosphatase
phosphorylation; kinase
proteolysis; kinase
phosphorylation; phosphatase
When an enzyme's activity is destroyed by heat or a change in pH, the enzyme is said to be
tertiary
toxic
conjugated
broken
denatured
A competitive inhibitor binds to
the surrounding tissue
a region of the enzyme other than the active site
the active site
the product
the substrate
An allosteric modulator binds to
Which can serve as substrates for ATP production
glucose only
amino acids only
glucose and fatty acids only
glucose, amino acids and fatty acids
fatty acids only
ATP synthase transfers the ________ energy of the H+ ions to the high-energy phosphate bond of _________.
potential; NADH
potential; ATP
kinetic, ATP
kinetic; NADH
None of the answers are correct
After forming a complex with the ribosome, mRNA interacts with a third molecule. This molecule is called
rRNA
rough ER
an amino acid
tRNA
DNA
All of the triplet codes needed to produce exactly one functional piece of RNA are found in one
anticodon
gene
codon
chromosome
The enzymes that sythesize mRNA from the start codon are called
lactate dehydrogenases
DNA polymerases
ribonucleases
ATP synthases
RNA polymerases
Which of the following is a key intermediate of glucose catabolism to the citric acid cycle
glucokinase
oxygen
lactate
ATP
pyruvate