Chronic Cardiac Adaptation Flashcards
1
Q
There are two isoforms of myosin heavy chains with different ATPase activity: __________.
A
alpha and beta
2
Q
________ has a higher ATPase capacity.
A
Alpha
3
Q
Myosin has a half-life of roughly __________.
A
one or two weeks
4
Q
Physiologic cardiac hypertrophy is characterized (molecularly) by more _______ isoforms.
A
alpha myosin
5
Q
In response to stress, the heart changes both ___________.
A
architecturally and biochemically
