Miescher discovered phosphorus in DNA taken from

A) bacteria.

B) viruses.

C) soiled bandages.

D) dead mice.


C) soiled bandages.

Biology & Microbiology

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Match the following items with the correct phrases.

_______1. The width of a typical coccus. _______2. The resolving power of the unaided eye. _______3. The resolving power of the scanning electron microscope. _______4. The resolving power of the transmission electron microscope. _______5. The resolving power of the compound light microscope. a. 0.2 nm b. 20 nm c. 0.2 ?m d. 1 ?m e. 0.2 mm

Biology & Microbiology

Humans may have one of four different blood types — A, B, AB, or O. Explain why a person with type O blood is referred to as the "universal donor" yet can receive blood only from other individuals with type O blood

What will be an ideal response?

Biology & Microbiology

What are selective media, differential media, and enriched media? When are they used?

What will be an ideal response?

Biology & Microbiology

Enzymatic digestion of proteins starts in the 

A. mouth. B. esophagus. C. stomach. D. small intestine.

Biology & Microbiology