A nitrogenous base composed of two rings is a (purine/pyrimidine/ribose)
What will be an ideal response?
purine
Bloom's Taxonomy: Comprehension
Section: Organic Macromolecules
Learning Outcome: 2.26
You might also like to view...
Why are the ends of microfilaments and microtubules called "plus ends" and "minus ends"?
A. because monomers are added more quickly to one end (the "plus end") than they are to the other end (the "minus end") B. because polymerization occurs at one end (the "plus end") and depolymerization occurs at the other end (the "minus end") C. because monomers can be added to one end only (the "plus end"), and can only be removed from the other end (the "minus end") D. because the actin and tubulin monomers that make up microfilaments and microtubules have evolved more rapidly than most other proteins
A major function of keratin is to:
a. absorb UV radiation. b. insulate the body. c. nourish sensory receptors. d. synthesize fats and waxes. e. create a diffusion barrier.
Which of the following components is involved in the initiation of transcription?
A) primer B) origin C) promoter D) start codon
Which statement about plant hormones is true?
A) Plant hormones are produced in very small concentrations. B) Plant hormones mainly affect reproductive processes. C) A hormone typically has a single, specific effect on all cells. D) Plant hormones play a vital role in photosynthesis.