Which structure produces cell movements?

a. intermediate filaments
b. flagella
c. collagen
d. microfilaments
e. centrioles


ANSWER: b

Biology & Microbiology

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Which of the following best describes the double-helix of DNA?

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In most animals, how are groups of cells organized to contain unique cell types?

What will be an ideal response?

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Exocytosis is stimulated by regional increases in cytoplasmic ________ concentration

Fill in the blank with correct word.

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Which of the following enzymes is associated with the formation of peptide bonds?

A) peptidase B) aminoacyl transferase C) peptidyl transferase D) peptide hydrolase E) inteins

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