The Stability of the DNA Double-Helix Is Due to

question 63

Multiple Choice

The stability of the DNA double-helix is due to

• A) hydrogen bonds between sugar moieties.
• B) hydrogen bonds between complementary bases.
• C) hydrogen bonds between complementary bases, hydrophobic interactions and favorable van der Waals radii.
• D) covalent bonds between the two antiparallel DNA strands.

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Definitions:

Chromosomes

Chromosomes are long strands of DNA, wrapped around protein, that carry hereditary information for traits and characteristics.

Sister Chromatids

Identical copies of a chromosome, connected by a centromere, that are produced during DNA replication.

Anaphase II

A stage of meiosis II where the sister chromatids are separated and pulled towards opposite poles of the cell.

Luteinizing Hormone

Luteinizing Hormone is a hormone produced by the anterior pituitary gland that triggers ovulation in females and stimulates the production of testosterone in males.