The pink-red rash of scarlet fever may be caused by streptococcal pyrogenic exotoxins A, B, C, and E, which are coded for on a lysogenic bacteriophage

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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What part of our skeleton most resembles an exoskeleton?

What will be an ideal response?

Biology & Microbiology

The "age of amphibians" was the _____ period.

A. Carboniferous B. Silurian C. Permian D. Devonian E. Ordovician

Biology & Microbiology

The most appropriate unit of measurement for intact archaea is the

A) meter (m). B) millimeter (mm). C) micrometer (?m). D) nanometer (nm). E) centimeter (cm).

Biology & Microbiology

Which of the following is NOT found in the gastrointestinal tract of a healthy individual?

a. protists b. Clostridium c. Bacteroides d. Bacteroidetes

Biology & Microbiology