Which substance or cell is too large to pass through capillary walls?
a. erythrocytes
b. glucose
c. ions
d. water
e. carbon dioxide
ANSWER: a
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Answer the following statements true (T) or false (F)
1. The presence of salt helps prevent oceans from freezing. 2. A dehydration reaction that builds larger molecules from smaller units requires the addition of a water molecule. 3. The hydroxyl (OH-) concentration of a solution with a pH of 8 would be 10-6 molar. 4. Most enzymes or bioactive molecules work effectively within a broad range of pH. 5. Buffers minimize fluctuations in the pH of a solution.
Low-pitched, long-wavelength sounds are distinguished by stimulating
A. the basilar membrane far from the base. B. the semicircular canals. C. the basilar membrane more vigorously. D. only the vertical semicircular canals.
When a nipple is placed in a newborn baby's mouth, the infant will immediately begin to suckle. This is an example of
A) imprinted behavior. B) classical conditioning. C) innate behavior. D) imitation.
In which stage of mitosis do the identical sets of chromosomes uncool and resume their chromatic form
A) metaphase B) anaphase C) telophase D) prophasev