Which disease is caused by the erythrogenic toxin produced by Streptococcus pyogenes(which is lysogenized by a bacteriophage)?
a) Scarlet fever
b) Q fever
c) Puerperal fever
d) Rheumatic fever
Ans: a) Scarlet fever
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All of the following are model organisms, except
A) Saccharomyces cerevisiae. B) Drosophila melanogaster. C) Caenorhabditis elegans. D) Arabidopsis thialana. E) Homo sapiens.
Bacteriophage T4 blocks transcription of host genes using an enzyme that transfers an ________ from NAD onto the alpha subunit of RNA polymerase.
What will be an ideal response?
Which organelle is NOT a part of the endomembrane system?
a. the endoplasmic reticulum b. the lysosome c. the nucleolus d. the Golgi complex
Which of the following is true of an endergonic reaction?
a. Endergonic reactions release energy. b. Endergonic reactions require an energy input. c. Endergonic and exergonic reactions are the same. d. Endergonic reactions happen before exergonic reactions can begin.