Of the following specialized procedures, which may be used with the electron microscope?

A) shadowing with gold
B) negative staining
C) scanning electron microscopy
D) freeze fracturing
E) all of the above


E) all of the above

Biology & Microbiology

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In addition to the energy available in the ATP molecule, _________ provides an immediate source of high-energy bonds available to power muscle contraction

a. fat b. glycogen c. glucose d. lactic acid e. creatine phosphate

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Phagocytotic cells such as macrophages identify a variety of enemies by recognizing markers unique to pathogens. They would be classified as which type of defense system?

What will be an ideal response?

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The enzyme (amylase/hyaluronidase/lipase) can be used in injected medications to enhance their rate of absorbance

What will be an ideal response?

Biology & Microbiology

Periplasmic flagella are unlike most flagella because they

A) move their flagella in a counter-clockwise direction. B) are located in the space between the peptidoglycan and the outer membrane. C) move their flagella in a clockwise direction. D) are located in the space between the plasma membrane and the peptidoglycan. E) have fibers that stick into the cytoplasm for a better hold.

Biology & Microbiology