Which of the following is not true of chloramines?
A. They can sanitize and disinfect.
B. They form trihalomethanes with organic compounds.
C. They are used to treat wounds and skin surfaces.
D. They contain chlorine.
E. They are safer than free chlorine.
Answer: B
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Which of the following can be used as an energy source inside a human body?
a. proteins b. carbon dioxide c. water d. oxygen
We refer to the DNA code as being redundant or repetitive. This means that
a. each triplet codes for one amino acid. b. some codons code for the same amino acid. c. one codon codes for one amino acid. d. each triplet codes for a different amino acid. e. a single triplet may code for more than one amino acid.
Do the protein-coding parts of organelle genes more closely resemble those of Bacteria (Eubacteria) or Archaea?
What will be an ideal response?
During DNA replication, each new strand begins with a short
A. amino acid primer. B. DNA primer. C. lipid primer. D. RNA primer. E. hydrophilic primer.