A linear stretch of DNA that specifies the sequence
of amino acids in a polypeptide is called a(n)
a. codon.
b. intron.
c. messenger.
d. gene.
e. enzyme.
Answer: d
Biology & Microbiology
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14Cis a radioactive isotope, and it turns into ____________________ when it decays
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Which of the following is NOT a function of the nasal cavities?
a. filter dust out of the incoming air b. detect odors c. warm the air d. oxygenate the blood e. moisturize the air
Biology & Microbiology
Hydroxyurea has been shown to switch off cell division. Indicate whether the statement is true or false
Biology & Microbiology
________ are long, slender structures that enable a cell, such as a sperm, to swim
Fill in the blank(s) with correct word
Biology & Microbiology