What cyanobacterium has a phycoerythrin, no flagella and its cell surface must generate thrust by oscillating (like a traveling wave)?

a. Anabena
b. Microcysts
c. Chlorobi
d. Spirulina
e. Synechococcus


Ans: e. Synechococcus

Biology & Microbiology

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Fill in the blank with the appropriate word.

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Juvenile diabetes results when insulin producing cells in the pancreas are destroyed by the patient's

own immune system. Indicate whether the statement is true or false.

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RNA polymerase II of eukaryotes is responsible for transcribing ________.

A. mRNA B. rRNA C. tRNA D. All of the choices are correct.

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Which of the following features of a membrane protein is (are) never used as a membrane anchor?

a. C-terminal glycosylphosphatidyl inositol (GPI) b. An N-terminal myristoyl group c. Prenyl and palymitoyl group additions d. Oligosaccharide side chains

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