A structure found in cells of all three domains, prokaryotes and eukaryotes, is the

A. cilium.
B. ribosome.
C. cell wall.
D. mitochondria.
E. chloroplast.


B. ribosome.

Biology & Microbiology

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The major class of macromolecules that stores energy and makes up the major component of plasma membranes are

A. lipids. B. carbohydrates. C. nucleic acids. D. proteins. E. ions.

Biology & Microbiology

Which cell is classified as an agranulocyte?

a. monocytes b. platelets c. basophils d. neutrophils e. eosinophils

Biology & Microbiology

The main causative agent of gas gangrene is ________.

A. Clostridium perfringens B. Staphylococcus epidermidis  C. Staphylococcus aureus D. Mycobacterium leprae E. Streptococcus pyogenes

Biology & Microbiology

What was the first disease shown to be bacterial in origin?

A) yellow fever B) cholera C) anthrax D) malaria E) tuberculosis

Biology & Microbiology