Classical" nuclear localization signals are composed primarily of
a. hydrophobic amino acids.
b. acidic amino acids.
c. basic amino acids.
d. sulfur-containing amino acids.
Ans: b. acidic amino acids.
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Nucleotide substitutions are mutations that alter the ____________________, but not the ____________________, of nucleotides in a DNA molecule
Fill in the blank(s) with correct word
DNA sequencing
1.uses dideoxynucleoside triphosphates. 2.uses fluorescent dyes. 3.determines the base sequence of pieces of DNA. 4.is an important tool in genomics. 5.All of the options are correct.
The techniques by which DNA sequence information is used for deriving the three-dimensional
structure of proteins is called ____________________ genomics. Fill in the blank(s) with the appropriate word(s).
All of the following are correct about salmonelloses except
A. non-typhoidal strains of salmonella are zoonotic in origin. B. foods contaminated by rodent feces may cause outbreaks.. C. outbreaks have been caused by eggs. D. drug resistance of salmonella is on the rise. E. strains are normal flora in dogs and cats.