Archaeal sulfate reducers use elemental sulfur as an electron acceptor.
Answer the following statement true (T) or false (F)
False
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Alcohols are not reliably effective at destroying
A. vegetative bacteria. B. enveloped viruses. C. non-enveloped viruses. D. endospores. E. non-enveloped viruses AND endospores.
Mendel crossed true-breeding plants having yellow peas with true-breeding plants having green peas. The resulting
plants all had yellow peas. An F1 cross resulted in 3/4 of the plants having yellow peas and 1/4 of the plants having green peas. What does this tell you about the alleles for color?
a. yellow is usually the dominant color, but sometimes green can be dominant b. green is the dominant color c. yellow is the dominant color d. yellow is the recessive color e. yellow and green are codominant
Hydrophobic interactions would occur between the R groups of which two amino acids in Figure 3-2?
a. 1 and 4 b. 2 and 5 c. 3 and 6 d. 2 and 4 e. 3 and 5
Encephalitis is most commonly caused by a ________.
A. bacterium B. protozoan C. helminth D. virus