Multi-drug-resistant Mycobacterium tuberculosis is a bacteria that causes the disease tuberculosis (TB)

This form of tuberculosis infection cannot be treated with the standard TB drugs. What genetic elements like-ly account for the antibiotic resistance of multi-drug-resistant M. tuberculosis?
a. prophages
b. plasmids
c. bacteriophages
d. A and B
e. None of the above


D

Biology & Microbiology

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Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white. A blue budgie is crossed with a white budgie. Which of the following results is NOT possible?

A) green offspring only B) yellow offspring only C) blue offspring only D) green and yellow offspring E) a 9:3:3:1 ratio

Biology & Microbiology

Experiments with bacteria and ____________________ offered solid evidence that deoxyribonucleic acid (DNA), not

protein, is the hereditary material.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Motor or ____________ neurons transmit nerve impulses away from the CNS.

a) afferent b) efferent c) central d) peripheral

Biology & Microbiology

Individuals with AB blood type are called "universal donors" because they do not have antibodies against blood group antigens

Indicate whether the statement is true or false

Biology & Microbiology