The type of cells that are particularly effective at attacking body cells infected by viruses are
A. macrophages.
B. natural killer cells.
C. monocytes.
D. eosinophils.
Answer: B. natural killer cells.
Biology & Microbiology
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What cell type(s) are found in nervous tissue?
a. neurons only b. glial cells only c. squamous cells only d. both neurons and glial cells e. both glial cells and squamous cells
Biology & Microbiology
Individual atoms within water molecules are held together by covalent bonds
Indicate whether the statement is true or false
Biology & Microbiology
The ________ lactose is often used as a substrate for penicillin production.
A. disaccharide B. trisaccharide C. more complex molecule D. monosaccharide
Biology & Microbiology
An amino acid that is used as a supplement for breads is ________.
A. proline B. aspartate C. leucine D. lysine
Biology & Microbiology