Which of the following enzymes in an RBC breaks H2CO3 down to water and carbon dioxide?
A. Bisphosphoglycerase
B. Carboxyhemoglobinase
C. Carbaminoreductase
D. Hemoglobinase
E. Carbonic anhydrase
Answer: E
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For a(n) ____________________ isotonic contraction, the contraction resists the stretching of the muscle
Fill in the blank(s) with correct word
In humans, old, worn out erythrocytes are destroyed in the _____ and their replacements are derived from _____ residing in the _____
a. spleen; pluripotent stem cells; red marrow b. spleen; embryonic stem cells; red marrow c. red marrow; pluripotent stem cells; spleen d. red marrow; embryonic stem cells; spleen e. liver; pluripotent stem cells; red marrow
Identify structure "B" on the neuron
A. Schwann cell B. Node of Ranvier C. neuron cell body (soma) D. dendrites E. axon
The observation that there is a limit to how many times a cell can divide is the basis for the ________ theory of senescence
A) replicative B) abortive C) cross-linking D) autoimmune E) free radical