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?
A. It has directionality B. The strands are arranged in an anti-parallel arrangement C. The strands are complementary D. All of the answers are correct
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In most animals, how are groups of cells organized to contain unique cell types?
What will be an ideal response?
Biology & Microbiology
Exocytosis is stimulated by regional increases in cytoplasmic ________ concentration
Fill in the blank with correct word.
Biology & Microbiology
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
Biology & Microbiology