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
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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
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).Motor or ____________ neurons transmit nerve impulses away from the CNS.
a) afferent b) efferent c) central d) peripheral
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