The organisms that cause strep throat, pneumonia, and botulism are 

A. viruses.
B. bacteria.
C. protozoa.
D. fungi.


B. bacteria.

Biology & Microbiology

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Which of the following groups of animals does NOT exhibit a "double circulation" and four-chambered hearts?

A. mammals B. birds C. crocodilians D. snakes E. All of the groups listed exhibit a complete double circulation.

Biology & Microbiology

During which phase of gamete production do duplicated homologous chromosomes line up closely?

a. meiosis I b. meiosis II c. fertilization d. mitosis I e. mitosis II

Biology & Microbiology

Molecular chaperones mediate the folding of other protein molecules

__________________Indicate whether the statement is true or false.

Biology & Microbiology

What are the functions of helicases and SSB proteins?

What will be an ideal response?

Biology & Microbiology