Based on the biological hierarchy of organization, what is the smallest unit of matter?

a. atom
b. organism
c. molecule
d. organelle


a. atom

Biology & Microbiology

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What process copies a sequence of DNA nucleotides into a complementary sequence of RNA nucleotides?

A) translation B) mutation C) transcription D) duplication

Biology & Microbiology

What class of antibody functions through neutralization and agglutination of antigen, but cannot cross epithelial cells?

A) IgM B) IgE C) IgG D) IgD E) IgA

Biology & Microbiology

Which of the following structures allow microbes to glide across surfaces?

A. flagella B. gas vesicles C. microtubules D. filament E. pili

Biology & Microbiology

Which glands regulate blood calcium levels and can number between two and six copies of the gland in any given individual?

a. thalamus b. pituitary c. parathyroid d. adrenal

Biology & Microbiology