A researcher in a lab finds a microscopic organism that has no nucleus, but has distinctive structural molecules and

mechanisms of photosynthesis. The organisms are abundant in virtually every habitat on Earth. The researcher has
identified this organism as belonging to the domain ____.



a. Bacteria

b. Animalia
c. Eukarya
d. Protist
e. Amoeba


a

Biology & Microbiology

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Simple sugars like glucose can be detected and measured using orcinol

a. True b. False

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The ____ of the eye focuses light on the eye's photoreceptors. In the above diagram of the eye, which letter identifies

it?

a. retina; C b. lens; B

c. lens; A d. fovea; D e. retina; B

Biology & Microbiology

In what structure is the sperm of a flowering plant contained?

A) stigma B) carpel C) pollen D) spore

Biology & Microbiology

Which of the following animals uses a radula to scrape food into its mouth?

A) Starfish B) Scallop C) Octopus D) Snail E) Rat

Biology & Microbiology