Tuberculosis (TB) is a reemerging disease that is increasing in the United States because of an increase in the number of immunocompromised patients, such as those with AIDS. Name two factors that make this illness particularly troublesome to track and

treat.

What will be an ideal response?


Tuberculosis presents with flu-like symptoms, so it can be hard to diagnose. Treatment requires long-term antibiotic therapy. Some strains of TB are resistant to antibiotics; antibiotic resistance is another factor that makes TB difficult to treat.

Biology & Microbiology

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How do the secreted antibodies from a plasma cell differ from the cell-surface antibodies of a memory cell?

A. in the specificity of the hypervariable domain B. by the absence of a hydrophobic domain in the constant region C. through the removal of the constant region D. by the absence of a hydrophilic domain in the constant region

Biology & Microbiology

Which of the following activities is not associated with posttranslational processing?

A) glycosylation B) specific cleavage of polypeptides C) chaperonin activity D) addition of lipid groups E) polyadenylation

Biology & Microbiology

________ is a neurotransmitter released at every neuromuscular junction (the junction of a motor neuron and a skeletal muscle cell), where it triggers contraction of voluntary (skeletal) muscles

Fill in the blank(s) with correct word

Biology & Microbiology

An animal will preferentially feed on:

a. the largest prey it can find. b. the prey that provides the most calories relative to the size of the prey. c. the smallest prey it can find. d. the prey that provides the most calories relative to the size of the predator. e. the prey that provides the most energy relative to effort.

Biology & Microbiology