If the species of bacteria in a series of case studies is unknown, then phage typing would not be an effective way to formulate an epidemiological explanation.
A) True
B) False
A) True
Feedback: In phage typing the species of bacteria is known, and the specific strain/group is identified.
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Unlike humans, trees transport water without ______________
What will be an ideal response?
Each of the following is an endoplasmic reticulum function except
A) addition of carbohydrate to proteins to make glycoproteins. B) peptide folding. C) the assembly of multimeric proteins. D) the export of protein that cannot be folded into the cytoplasm for destruction. E) All are endoplasmic reticulum functions.
Chloroplasts are found only in eukaryotic cells that carry out photosynthesis: plants and algae. Plants and algae appear green as a result of the presence of chlorophyll. Where is chlorophyll located in the chloroplast?
(a) in the first, outer membrane (b) in the space between the first and second membranes (c) in the second, inner membrane (d) in the third, innermost membrane
The base analog 5-bromouracil can tautomerize. One tautomer behaves like thymine and the other behaves like cytosine. If 5-bromouracil is used as a mutagen, what is the minimum number of times replication must occur to mutate the codon for proline (CCC) into the codon for serine (TCC)?
A) one generation B) two generations C) three generations D) 5-bromouracil cannot induce this mutation