The methyl red test is associated with which of the following products?

A. Mixed acids
B. Indophenol blue
C. Methyl red
D. Indole
E. Acetoin


Ans: A. Mixed acids

Biology & Microbiology

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The process of translation refers to the use of information encoded in ____ to make ____

a. RNA; a complementary DNA copy b. DNA; a polypeptide c. DNA; a complementary RNA copy d. a polypeptide; RNA e. RNA; a polypeptide

Biology & Microbiology

Which plant group has a dominant gametophyte generation when compared to the sporophyte generation?

a. flowering plants b. gymnosperms c. ferns d. horsetails e. bryophytes

Biology & Microbiology

During treatment of water to make it potable, about 90% of the microbes are removed

A) by preliminary fermentation. B) in the sedimentation step. C) by treatment with biosensors. D) by treatment with chlorine or ozone. E) in the filtration step.

Biology & Microbiology

Fill in blanks: There are several ways that membrane proteins can associate with the cell membrane. Membrane proteins that extend through the lipid bilayer are called ______________ proteins and have ____________ regions that are exposed to the interior of the bilayer. On the other hand, membrane-associated proteins do not span the bilayer and instead associate with the membrane through an ? helix that is __________. _____________ membrane proteins are linked to the membrane through interactions with other membrane-bound proteins.

What will be an ideal response?

Biology & Microbiology