Specimens are prepared for ________ microscopy using electron-dense stains

A) atomic probe
B) bright-field
C) confocal
D) transmission electron
E) scanning tunneling


D

Biology & Microbiology

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All of the following are common functional groups found in biological molecules except

A) phosphate groups. B) carbonyl groups. C) amino groups. D) sulfhydryl groups. E) butyl groups.

Biology & Microbiology

Which flatworms are parasites of vertebrates and have a head modified into a scolex with hooks and suckers for attaching to places such as the intestinal wall of hosts?

a. Trematoda b. Cestoda c. Turbellaria d. Polychaeta

Biology & Microbiology

Temperate grasslands are typically nestled between the ________ and ________ biomes

a. desert, temperate forests b. desert, coniferous forest c. tundra, coniferous forests d. desert, rainforests e. temperate forests, tundra

Biology & Microbiology

DNA polymerase

a. is an enzyme. b. adds new sugars to a strand. c. proofreads RNA strands to see that they are correct. d. unwinds the DNA molecule during repair. e. is made of uracil.

Biology & Microbiology