This protein functions optimally in high H+ concentrations.

a. Keratin
b. Hemoglobin
c. Actin
d. Insulin
e. Pepsin


Ans: e. Pepsin

Biology & Microbiology

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A heterotrophic organism that consumes primary producers or those that consume primary producers is called a(n) ____

Fill in the blank with the appropriate word.

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Amino acids are linked by what kind of bonds to

form the primary structure of a protein? a. disulfide b. hydrogen c. ionic d. peptide e. none of these

Biology & Microbiology

If a cell has a greater concentration of solute than its environment

A. the cell is hypertonic to the environment. B. the cell is isotonic to the environment. C. the cell is hypotonic to the environment. D. the cell will not experience a net gain or loss of water. E. the cell will crenate.

Biology & Microbiology

________ genes code for transcription factors that regulate the transcription of other genes

Fill in the blank(s) with correct word

Biology & Microbiology