A nucleotide consists of a phosphate group, a molecule of sugar, and a __________________, all linked together by covalent bonds.

A) polypeptide
B) triglyceride
C) nitrogen-containing base
D) sugar-containing base
E) phosphorus-containing base


C) nitrogen-containing base

Biology & Microbiology

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Filopodia and lamellipodia are associated with which cytoskeletal element?

a. microfilaments b. microtubules c. intermediate filaments d. chromatin e. cellulose. microtubules.

Biology & Microbiology

Which of the following is a greenhouse gas?

A. water vapor B. molecular oxygen C. molecular nitrogen D. argon E. carbon monoxide

Biology & Microbiology

The United States devotes more acerage to ___

than any other plant.

a. wheat b. corn c. rice d. potatoes e. legumes

Biology & Microbiology

Long, slender extension used for locomotion by some bacteria, protozoans, and sperm.

What will be an ideal response?

Biology & Microbiology