Which of the following pairs of terms best describes the concept of membrane potential?

a) diffusion / facilitated diffusion
b) concentration gradient / electrical gradient
c) passive processes / active processes
d) low concentration / high concentration e) selective permeability / osmosis


b) concentration gradient / electrical gradient

Biology & Microbiology

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How does the hypothalamus control the posterior pituitary differently from the way it controls the anterior pituitary?

What will be an ideal response?

Biology & Microbiology

A homozygous recessive where "A" represents the trait has two recessive alleles symbolized by

__________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Should we buy and eat food that comes from genetically modified plants and animals? Defend your answer based on

previous knowledge and on what you learned from this chapter. What will be an ideal response?

Biology & Microbiology

What is the osmolarity of fresh water?

a. about 5 mOsm/L b. about 225 mOsm/L c. about 300 mOsm/L d. about 1500 mOsm/L

Biology & Microbiology