The DNA double helix is held together by (covalent/ionic/hydrogen) bonds

What will be an ideal response?


hydrogen
Bloom's Taxonomy: Knowledge
Section: Chemical Bonds
Learning Outcome: 2.12

Biology & Microbiology

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The structure in the figure above represents a molecule of ____

a. pre-mRNA b. tRNA c. snRNA d. mRNA e. rRNA

Biology & Microbiology

The process of adding the correct amino acid onto a tRNA molecule is catalyzed by ____

a. the tRNA itself b. RNA polymerase c. an mRNA d. the ribosome e. an aminoacyl-tRNA synthetase

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The sense of rotational equilibrium is accomplished by hair cells found in the

A. middle ear. B. outer ear. C. cochlear duct. D. ampullae. E. organ of Corti.

Biology & Microbiology

The most effective binding of phagocytic cells to bacterial cells occurs in the presence of:

a) C3b b) C3b and C3a c) C3b and antibodies d) C5a

Biology & Microbiology