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__________ is the process in which __________ forces water and small solutes, such as salts, through narrow clefts between capillary cells.

__________ provide motility to a sperm cell, __________ act as sensory “antennae” in many cells, and ____________ increase a cell’s surface area.

The constant appearance of new strains of influenza virus is an example of __________.

In this feedback loop, what is the receptor?

A solution that resists a change in pH when an acid or base is added to it is a(n) __________.

If a cell doubled in diameter, it would have twice as much cytoplasm to maintain.

Proteins are __________ built from __________ different amino acids.01_20_2015_CS-3282

Which of these has the highest H + concentration?

Water flows through a selectively permeable membrane in a process called __________, but water molecules cross the membrane more easily through channels of transmembrane proteins called __________.

Which of these is the best imaging technique for routinely examining the anatomical development of a fetus?