What cell type secretes antibodies?

A) natural killer cells
B) helper T cells
C) macrophages
D) mast cells
E) plasma cells


Ans: E) plasma cells

Biology & Microbiology

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Pickling is a type of food preservation utilizing

A) weak acids. B) basic substances. C) lyophilization. D) irradiation.

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No cases of attenuated polio virus reverting to a neurovirulent strain have been documented.

Answer the following statement true (T) or false (F)

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At about what age does the tension, or physical force, a person's muscles can muster begin to

decrease? a. 30 b. 25 c. 40 d. 45 e. 50

Biology & Microbiology

Describe the structure of a mitochondrion and relate to ATP production. What will be an ideal response?

Biology & Microbiology