Microbiology Exam 2

1

ALL eaukaryotes contain

1

The endoplasmic reticulum is

1

The Golgi apparatus functions to

1

The foraminifera

1

Which statement BEST describes the habitats of the fungi?

1

Diatoms are

1

Which algae are MOST closely related to plants?

1

Where within a eukaryotic cell is ribosomal RNA (rRNA) synthesized?

1

What phenomenon accounts for the appearance of chloroplasts in some unicellular phototrophic eukaryotes?

1

The membrane-enclosed compartments that contain digestive enzymes in eukaryotic cells are called

1

Which microbial group is responsible for massive amphibian die-offs worldwide?

1

Which of the following is NOT a member of the Eukarya?

1

The amoebozoa use what structure for movement and feeding?

1

Agents that kill bacteria are said to be

1

The complete elimination of all microorganisms include viruses is called

1

The process by which macromolecules lose their structure and ability to function is called

1

UV radiation is antimicrobial, because

1

Ergosterol inhibitors specifically target

1

A ________ filter is most often used to filter sterilize liquids.

1

The action of some bacteriolytic chemical agents can be observed by noting a(n)

1

In the agar diffusion method of studying antimicrobial action, the _______ is measured.

1

Polyoxins interfere with

1

Of all known antibiotics that have been identified in nature, _________ are clinically useful.

1

Semisynthetic antibiotics

1

Important targets of antibiotics in Bacteria are

1

At present, the penicillins and the cephalosporins account for ___________ of all the antibiotics produced and used worldwide.

1

The B-lactam antibiotics

1

The absorption of _ by chlorophylls begins the process of _.

1

In photosynthesis NADH and NADPH are produced from NAD+ and NADP+ by

1

During oxygenic photosynthesis,

1

Which statement is TRUE?

1

Carotenoids

1

The process by which electrons from the quinone pool are forced against the thermodynamic gradient to reduce NAD+ to NADH is called reverse

1

The Calvin cycle

1

The Calvin cycle

1

The Calvin cycle

1

The rapid and simplistic method of assaying for nitrogenase activity uses

1

In most caes, the final product of sulfur oxidation is

1

Ferrous iron oxidation generally occurs in environments with

1

The reduction of N2(g) for use as a source of nitrogen for biosynthetic needs is called nitrogen

1

The only organisms that perform photosynthesis are ones that produce some form of

1

What compound do most chemolithotrophs use as a source of carbon?

1

Most protists are motile.

1

The biochemical reactions in the hydrogenosome are focuses on pyruvate oxidation.

1

Because H2 levels in oxic environments are transient, it is likely that aerobic hydrogen bacteria shift between chemoorganotrophy and chemolithotrophy depending on levels of organic compounds and hydrogen in their habitats.

1

The earliest diverging lineage of fungi are the

1

Peroxisomes

1

Which statement is TRUE? Fungal cell walls

1

Neuraminidase inhibitors such as oseltamivir and zanamivir are used to treat which type of infection?

1

Antimicrobial drugs are often grouped according to

1

The vegetative cells of Mycobacterium tuberculosis are resistant to many germicides because of

1

The thermal death time is the

1

Cold sterilization is performed using

1

The time required for a tenfold reduction of the variability of a microbial population at a given temperature is called the ______ time.

1

Whether an organism is classified as a photoheterotroph or a photoautotroph depends on its

1

Photosynthesis is most correctly defined as the

1

Oxygenic phototrophs use light to generate

1

Due to the sensitivity of dinitrogenase reductase, nitrogen fixation is inhibited by

1

Difinitive proof of N2 fixation is obtained using

1

Plastocyanin is a

1

The path of electron flow in oxygenic phototrophs is referred to as the ______ scheme.

1

Decalcification of the tooth enamel due to production of high concentrations of organic acids in the mouth is known as

1

Pathogenicity is

1

Mucous membranes are frequently coated with a protective liquid called

1

BY320 Exam 2 multiple choice questions

Microbiology Exam 2

ALL eaukaryotes contain

The endoplasmic reticulum is

The Golgi apparatus functions to

The foraminifera

Which statement BEST describes the habitats of the fungi?

Diatoms are

Which algae are MOST closely related to plants?

Where within a eukaryotic cell is ribosomal RNA (rRNA) synthesized?

What phenomenon accounts for the appearance of chloroplasts in some unicellular phototrophic eukaryotes?

The membrane-enclosed compartments that contain digestive enzymes in eukaryotic cells are called

Which microbial group is responsible for massive amphibian die-offs worldwide?

Which of the following is NOT a member of the Eukarya?

The amoebozoa use what structure for movement and feeding?

Agents that kill bacteria are said to be

The complete elimination of all microorganisms include viruses is called

The process by which macromolecules lose their structure and ability to function is called

UV radiation is antimicrobial, because

Ergosterol inhibitors specifically target

A ________ filter is most often used to filter sterilize liquids.

The action of some bacteriolytic chemical agents can be observed by noting a(n)

The absorption of _ by chlorophylls begins the process of _.