The appearance of Mycobacterium leprae after they are stained with an acid-fast stain is

a) purple.
b) red.
c) colorless.
d) brown.


Ans: b) red.

Biology & Microbiology

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Macromolecules can be assembled into ________ that are components of organelles and other subcellular organelles.

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

Biology & Microbiology

Of the following four islands at the same

latitude, the one possessing the fewest species is a. 1,000 square kilometers in area and 300 km from the mainland. b. 3,000 square kilometers in area and 100 km from the mainland. c. 100 square kilometers in area and 3,000 km from the mainland. d. 300 square kilometers in area and 1,000 km from the mainland. e. none of these

Biology & Microbiology

A and B antigens in human blood are produced by the conversion of ________ by the addition of a sugar group

A) anti-A and anti-B antibodies B) the H antigen C) hemoglobin D) ?-N-acetylgalactosamine E) anti-O antibodies

Biology & Microbiology

Prothrombin is converted to ________ during the clotting process

Fill in the blank(s) with correct word

Biology & Microbiology