Traditional classifications tended to take into account primarily
a. extinct organisms
b. RNA similarities
c. DNA similarities
d. general similarities in appearance
Ans: d. general similarities in appearance
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Give an example of an acute and a chronic carrier of disease. What disease characteristics allow for chronic carriers to play significant roles in the spread of the disease? How are diseases with chronic carriers controlled?
What will be an ideal response?
Each of the following can be used in the Calvin cycle except
A) phosphoglycolate. B) NADPH. C) 3-phosphoglycerate. D) CO2. E) ribulose-1,5-bisphosphate.
A recessive allele is one
A) that produces no effect when present in the homozygous condition. B) that is not expressed as strongly as a dominant allele. C) that must be lethal in the homozygous condition. D) whose effect is masked when paired with a dominant allele. E) that appears only in a heterozygote.
The development of new technologies is based upon science.
a. true b. false