If the pH of the mouth becomes more acidic, which of the following is true?
a. All food types are broken down chemically.
b. Amylase function decreases.
c. Pepsin starts breaking down proteins.
d. Amylase function increases.
B
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To verify a gene was cloned into a vector successfully, sequencing the vector as well as ________ are commonly performed
A) agarose gel electrophoresis B) fluorescence in situ hybridization C) protein purification D) northern blots
Mobile genetic elements that are permanently integrated into a microbial genome are known as ________.
Fill in the blank(s) with the appropriate word(s).
In marine birds, excess salts are removed by:
a. salt glands in the tongue. b. salt glands above the eyes. c. concentrated urine. d. salt glands on the skin. e. salt glands in the mouth.
Which one of the following functions is associated with one type of connective tissue?
A) contraction B) a membrane potential C) absorption of digestive products D) transport E) secretion