CO2 is transported in the blood in which of the following?
a. dissolved in the plasma exclusively.
b. as bicarbonate ions exclusively.
c. bound to hemoglobin exclusively.
d. dissolved in the red blood cells exclusively.
e. dissolved in the plasma, as bicarbonate ions and bound to hemoglobin.
D
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The "undershoot" phase of after-hyperpolarization is due to _____
A) slow opening of voltage-gated sodium channels B) sustained opening of voltage-gated potassium channels C) rapid opening of voltage-gated calcium channels D) slow restorative actions of the sodium-potassium ATPase E) ions that move away from their open ion channels
Indifferent gonads are
A) the gonads of people who have no interest in having sex. B) paired structures in the embryo that can develop as either testes or ovaries. C) paired structures in the embryo that follow a male developmental program and a female pathway in the same person at the same time. D) the gonads that develop when a person uses birth control.
Compare and contrast the principal types of RNA in terms of their cellular roles, relative abundance, and variation in length
What will be an ideal response?
Which is NOT a reason that insomnia tends to increase with age?
-older individuals need more sleep than younger adults, so this increased need can lead to more sleep problems -older individuals may be less psychically or socially active -chronic pain issues increase -related issues such as sleep apnea and restless leg syndrome become more common with age