The Bonds That Link the Base Pairs in the DNA

question 20

Multiple Choice

The bonds that link the base pairs in the DNA double helix are ________.

• A)ionic bonds
• B)peptide bonds
• C)hydrogen bonds
• D)hydrophobic interactions
• E)ester bonds

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Definitions:

Capillary Permeability

The ability of substances to pass through capillary walls into tissue spaces.

Lymphatics

Part of the immune system, consisting of a network of vessels that carry lymph, a fluid containing infection-fighting white blood cells.

Plasma Membranes

A double-layer of lipids forming a barrier around the cell cytoplasm, regulating the entry and exit of materials.

Hyperpolarization

A state in which the membrane potential of a cell becomes more negative than its normal resting potential.