A collection of similarly specialized cells and any extracellular material they secrete and maintain describes

(a) an organ.
(b) a system.
(c) a tissue.
(d) organelles.


(c) a tissue.

Biology & Microbiology

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Which scientist is credited with coining the term cell from the Latin cellulae?

A) Robert Brown B) Antonie van Leeuwenhoek C) Theodor Schwann D) Matthias Schleiden E) Robert Hooke

Biology & Microbiology

Assuming one glucose molecule being metabolized, what is the net yield of ATP in the cytoplasm under aerobic

conditions? a. 1 b. 2 c. 32 d. 34 e. 36

Biology & Microbiology

2n is an abbreviation for

A. diploid. B. gametes. C. haploid. D. mitosis. E. meiosis

Biology & Microbiology

Which of the following is not an agglutination test?

A. Counterimmunoelectrophoresis B. Blood typing C. Widal test D. Weil-Felix reaction E. Rapid plasma reagin (RPR) test

Biology & Microbiology