1. Developed the first differential stain for visualizing bacteria with the ligh

Question

1. Developed the first differential stain for visualizing bacteria with the light microscope

a. edward jenner

b. louis pasteur

c. joseph lister

d. alexander flemming

e. hans christian gram

2. resolution:

a. is influenced by the wavelength of energy used for developing the image.

b. is the closest 2 points can be together and still be seen as 2 points

c. is better for a transmission electron microscope than for a bright field light microscope

d. is better if blue light rather than red light is used to illuminate a specimen

e. none of the above

3. which method would be the most useful to directly observe the presence of virus particles in infected human cells?

a. turbidometric measurements

b.polymearase chain reaction (PCR)

c. bright field microscopy

d. transmission electron microscopy

e. growth on selective media

4. the algal component of a lichen is called a

a. mycobiont

b. phycobiont

c. protobiont

d. pseudobiont

e. monobiont

5. the fungal component of a lichen is called a

a. mycobiont

b. phycobiont

c. protobiont

d. pseudobiont

e. monobiont

Explanation / Answer

1. Developed the first differential stain for visualizing bacteria with the light microscope

a. edward jenner

b. louis pasteur

c. joseph lister

d. alexander flemming

e. hans christian gram

2. resolution:

a. is influenced by the wavelength of energy used for developing the image.

b. is the closest 2 points can be together and still be seen as 2 points

c. is better for a transmission electron microscope than for a bright field light microscope

d. is better if blue light rather than red light is used to illuminate a specimen

e. none of the above

3. which method would be the most useful to directly observe the presence of virus particles in infected human cells?

a. turbidometric measurements

b.polymearase chain reaction (PCR)

c. bright field microscopy

d. transmission electron microscopy

e. growth on selective media

4. the algal component of a lichen is called a

a. mycobiont

b. phycobiont

c. protobiont

d. pseudobiont

e. monobiont

5. the fungal component of a lichen is called a

a. mycobiont

b. phycobiont

c. photobiont

d. pseudobiont

e. monobiont

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