Four of the five choices listed below are related by a
common number. Select the exception.
a. number of nucleotides in a codon
b. number of building blocks (parts) in a nucleotide
c. number of STOP codons
d. number of types of DNA
e. number of types of RNA
Answer: d
You might also like to view...
When an electron absorbs energy, it moves to a ________, and when it releases that energy, it ________
a. lower orbital / returns to its original position b. none of the choices c. higher orbital / returns to its original position d. higher orbital / emits radioactivity
Lichens represent a symbiotic association between a fungus and a plant
Indicate whether the statement is true or false
Associations between plant roots and fungi in which the fungi actually penetrate the outer cells of the plant root are
A. staphylomycorrhizae. B. streptomycorrhizae. C. ectomycorrhizae. D. arbuscular mycorrhizae.
Chemoreceptors located in the aortic and carotid bodies stimulate the respiratory control center in the brain when the blood ________ decreases.
A. pH B. PO2 C. PCO2 D. HCO3- concentration E. hemoglobin concentration