Which is not a B vitamin which we saw caught in the act of being a coenzyme in the Krebs Cycle?
A) Nicotinic acid (B3)
B) Thiamine (B1)
C) Pantothenic acid (B5)
D) Riboflavin (B2)
Answer: B) Thiamine (B1)
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The specialized membranes that surround the spinal cord are termed the
A) cranial meninges. B) cranial mater. C) spinal meninges. D) spinal mater. E) epidural membranes.
Blood returning to the heart from the pulmonary circuit first enters the
A) right atrium. B) right ventricle. C) left atrium. D) left ventricle. E) conus arteriosus.
Tubular reabsorption involves all of the following except
A) active transport. B) facilitated diffusion. C) secondary active transport. D) osmosis. E) phagocytosis.
The blood transports more CO2 in the form of ________ than in any other form
A) carboxyhemoglobin B) carbaminohemoglobin C) bisphosphocarbonate D) bicarbonate ions E) dissolved CO2 gas