When a gene is transcribed, what is produced?
a. more DNA
b. protein or polypeptide sequences
c. messenger RNA
d. enzymes
e. genetic defects
c
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TCRs recognize epitopes only after the immunogens have been partially degraded
Indicate whether the statement is true or false.
Which male organism contains two identical sex chromosomes?
a. turtles b. birds c. chimpanzees d. dogs e. lizards
Which of the following characteristics affect the diffusion of a substance through the membrane?
a) concentration b) all of the choices are correct c) size d) degree of hydrophobicity
Which of the following is an example of homeostatic failure?
A) A pH balance of 7.37 with a respiratory rate of 28 breaths/min B) Severe vomiting and diarrhea and a heart rate of 120 beats/min C) Salt and water retention and a blood pressure of 170/98 mm Hg D) Core body temperature of 98.2°F and an ambient temperature of 28°F