Using bright-field microscopy to look at a slide prepared with a basic dye you observe cells under 400X magnification with a clear inner compartment within the cell. The cell is most likely a(n)

A) prokaryote.
B) bacterium.
C) archaeon.
D) eukaryote.


Answer: D

Biology & Microbiology

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Under anaerobic conditions, pyruvate can be broken down by ____

Fill in the blank with the appropriate word.

Biology & Microbiology

The human body contains approximately 200 major cell types. They look and function differently from one another because:

A. each has a slightly different genome. B. each expresses a different set of genes. C. each expresses the same set of genes, but in different orders at different times. D. each has a slightly different genome and each expresses a different set of genes.

Biology & Microbiology

For roundworms living in the intestine of a

vertebrate, the cuticle most probably serves in what capacity? a. water retention b. nutrient absorption c. protection from digestive enzymes d. excretion of metabolic wastes e. sensory detection

Biology & Microbiology

Where in the body is blood pressure the highest?

A. aorta B. lung capillaries C. inferior vena cava D. renal capillaries E. superior vena cava

Biology & Microbiology