The addition of a phosphate group to a substrate is called ________. The enzyme that catalyzes this reaction is referred to as a ________.
A) phosphorylation; phosphatase
B) phosphorylation; kinase
C) proteolysis; kinase
D) proteolysis; phosphatase
B) phosphorylation; kinase
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True or false: There is a significant difference in concentration between the intracellular concentration of sodium and the extracellular concentration of sodium.
Indicate whether the statement is true or false
In the human body, what is the fulcrum in a lever system?
A) The fulcrum is the effort generated by muscle contractions. B) The fulcrum is the joint at which movement occurs. C) The fulcrum is the weight of the body part being moved. D) The fulcrum is the angle of the movement.
This is not a characteristic of a neutron.
a. Contributes to the atom’s atomic number b. Contributes to the atom’s atomic mass c. Is located in the nucleus of the atom d. Has no electrical charge
Addison disease
A. causes hyperactivity and high metabolism. B. increases blood glucose levels. C. decreases blood sodium levels. D. decreases blood potassium levels.