What does tonoplast refer to?

a. the plant nuclear envelope
b. the cell wall
c. a chloroplast
d. the vacuolar membrane


Ans: d. the vacuolar membrane

Biology & Microbiology

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Usually growth of cells that do not pose a threat to surrounding tissues are termed

a. malignant. b. benign. c. metastatic. d. carcinogenic.

Biology & Microbiology

Trypanosoma is an organism that causes african sleeping sickness and is transmitted to a human by a ____

a. mosquito b. tsetse fly c. kissing bug d. tick e. none of the above

Biology & Microbiology

A functioning ________ would enable you to read a novel while sitting in a noisy restaurant

A) reticular formation B) substantia nigra C) hypothalamus D) thalamus E) cerebrum

Biology & Microbiology

How is the structure of the lac repressor protein reflected in the operator sequence to which it binds?

What will be an ideal response?

Biology & Microbiology