If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation of the spindle apparatus, at which stage will mitosis be arrested?
A) anaphase
B) prophase
C) telophase
D) metaphase
E) interphase
Ans: D) metaphase
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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
Aminoglycosides work by
A) Inhibiting the binding of aminoacyl-tRNA molecules to the A site of ribosomes B) Binding to the small ribosomal subunit to interfere with protein synthesis C) Inhibiting peptide chain elongation during protein synthesis D) Inhibiting the peptidyl transferase reaction
Identify the term that refers to a complete absence of viable microbes.
A) sterile B) septic C) aerobic D) anaerobic
The blood circulatory system transports __________
percent of the absorbed ethanol to the liver. a. 10 b. 25 c. 50 d. 75 e. almost 100