The majority of carbon dioxide is carried as:
a. CO2 bound to red blood cells
b. Bicarbonate ion in the plasma
c. Hydrogen ion bound to red blood cells
d. Water in the plasma
Ans: b. Bicarbonate ion in the plasma
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Identify the stage of cellular respiration where glucose is split into two molecules of pyruvic acid.
A. Calvin cycle B. Electron transport chain C. Citric acid cycle D. Glycolysis
The process of aging is described by the term ____
a. senescence b. puberty c. neonate d. morulation e. fetalism
Most prokaryotic cells possess a ____ for protection
What will be an ideal response?
Jill is lost in the desert and ran out of water six hours ago. What physiological effect or response would most likely occur in this situation?
A. Decrease in blood osmolarity B. Decreased release of ADH from the posterior pituitary C. Increased permeability of the collecting ducts in the kidney D. Decreased thirst sensation E. Increased release of atrial natriuretic hormone