Approximately half of known animal carcinogens can be detected by the Ames test.
Answer the following statement true (T) or false (F)
True
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Which one of the following is a pyrimidine found in DNA?
A. adenine B. guanine C. uracil D. thymine E. None of these choices is pyrimidines found in DNA.
Supercoiling has been observed in:
A. chromosomal DNA. B plasmid DNA. C. genomes of double-stranded DNA viruses. D. most circumstances where double-stranded DNA is present in the cell. E. most circumstances of double-stranded cellular DNA, but not double-stranded viral DNA.
A theory and a hypothesis are different in that
A. you must have a theory before you can form a hypothesis. B. a theory is developed as a result of broad agreement among scientists and a hypothesis is a much less substantiated idea. C. a theory is much easier to disprove than a hypothesis. D. a theory can never be disproved while a hypothesis can.
Heritable information exists as discrete units called genes, which are located on ________
Fill in the blank(s) with correct word