Hydrogen bonds can form between guanine and ____, and between adenine and ____

a. phosphate; sugar
b. thymine; cytosine
c. cytosine; thymine
d. sugar; phosphate
e. adenine; guanine


c

Biology & Microbiology

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Which of the following have moist, permeable skin that performs cutaneous respiration?

a. Actinopterygii b. Urodela c. Amniotes d. Squamata

Biology & Microbiology

Which statement summarizes the distinction between nonpolar and polar covalent bonds?

A. The difference in electronegativity of the atoms in a nonpolar covalent bond is very large. B. The electrons are more evenly and symmetrically distributed in orbit among atoms in a nonpolar covalent bond. C. The electrons are more evenly and symmetrically distributed in orbit among atoms in a polar covalent bond. D. Polar covalent bonds are formed when the atoms gain or lose electrons to bond and become oppositely charged ions.

Biology & Microbiology

Conjugation

A) is the direct transfer of DNA from one bacterium to another. B) occurs when a bacterium acquires DNA from the surrounding environment. C) is the result of cell division. D) occurs when a phage transfers bacterial DNA from one bacterium to another.

Biology & Microbiology

A particular region of the genomes of humans and peas have been shown to be highly homologous. This indicates that this region of the genome:

Biology & Microbiology