Escherichia coli and Salmonella can live in our intestines in the presence or absence of oxygen. They are considered which of the following?

A. autotrophs
B. facultative anaerobes
C. obligate anaerobes
D. aerobic
E. phototrophs


B. facultative anaerobes

Biology & Microbiology

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The linkage commonly found between subunits in a chain of monosaccharides is called a ____ bond

a. phosphodiester b. disulfide c. glycosidic d. hydrogen e. peptide

Biology & Microbiology

If blood type “Y” is given to recipient __________,

the recipient will suffer an agglutination reaction. a. “W” b. “X” c. “Y” d. “Z” e. “W” or “X”

Biology & Microbiology

The statistical interpretation of a ?2 value is determined by identifying the P value for each experiment, and the P value is dependent on the number of degrees of freedom (df) in the experiment being examined

For a coin flip experiment, the df value is equal to 1. You perform an experiment to determine how many times out of 100 die rolls that you roll a "1" in a single roll. What would the df value be equal to? A) 1 B) 2 C) 3 D) 4 E) 5

Biology & Microbiology

What activates protein kinase C?

a. IP3 b. DAG c. cAMP d. PIP2 e. calcium ions

Biology & Microbiology