Muscle fatigue is a result of
1.accumulation of lactic acid.
2.exhaustion of available ATP.
3.reduction in lactic acid.
4.failure of calcium channels to open after prolonged use.
5.inactivity of muscles for prolonged periods of time.
1
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In competitive inhibition
a. the products of the reaction block the active site of the enzyme. b. the products of the reaction bind to a site other than the active site of the enzyme and block enzyme activity indirectly. c. the substrate and cofactors compete for the active site. d. the inhibitor binds to and directly blocks the active site of the enzyme. e. the inhibitor binds to an enzyme at a site other than its active site.
In 1749, French naturalist became one of the first scientists to suggest that closely related species originated from a common ancestor and were continuously changing.
A. Charles Lyell B. James Hutton C. Georges Cuvier D. Charles Darwin E. Georges-Louis Buffon
Which of the following depicts the correct sequence of clot formation?
a. thrombin ? prothrombin ? fibrinogen ? fibrin b. prothrombin ? thrombin ? fibrinogen ? fibrin c. prothrombin ? thrombin ? fibrin ? fibrinogen d. prothrombin ? thrombin ? fibrin e. prothrombin ? thrombin ? fibrinogen ? erythrocytes
The endocrine and nervous systems function to coordinate and regulate the activities of cells and tissues throughout the body
To achieve these types of control, both systems rely on chemical agents, but the chemicals function differently at the cellular level. Describe the functional differences between hormones and neurotransmitters.