Chapters 1,2,3 review

eukaryotic, are found in both unicellular and multicellular forms, have chitin in their cells

Which of the following organelles most closely resembles a prokaryotic cell?

How is simple diffusion different from other types of passive transport?

Bacterial DNA floats free in cytoplasm, not enclosed in nuclear envelope, whereas eukaryotic DNA is enclosed in a membra

if you accidentally forget the decolorizer step. What would the outcome of the Gram stain be of gram(+)(-) mixed culture

Which of the following fields of microbiology would study the causative agent of Ebola virus disease

Which field of microbiology would study the production of toxin by E. coli

Which microscope is used to observe viruses and the internal structure of thinly sectioned cells?

a glycocalyx that is unorganized and loosely attached to the cell wall

All of the following conclusions can be drawn from Pasteur’s experiment involving the flasks with S-shaped necks?

In the name Staphylococcus aureus, aureus is the

Which of the following types of microscopy provides advantages for viewing live images?

The conversion of endospores to vegetative cells in reaction to favorable environmental conditions is called

long-chained, branched fatty acids characteristic of members of the genus mycobacterium

allows light rays to pass directly eye without being deflected by an intervening opaque plate in the condenser

All of the following are nonliving microbes except

Which of the following statements about gram-negative cell walls is FALSE?

O2 can cross the PM by simple diffusion, but glucose must be transported by facilitated diffusion WHY?

All of the following are matched correctly except

What is the total magnification of a specimen viewed with a 10x ocular lens and a 45x objective lens?

Performing Gram stain on gram(+) bacteria; you stop after adding the first dye. What is the appearance of the bacteria?

Which of the following is NOT a functionally analogous pair?

WHich of the following scientists Showed that a silkworm disease was caused by a fungus

What structure does light pass through after leaving the condenser in a compound light microscope?

Where are phospholipids most likely found in a prokaryotic cell?

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

Images by light microscopes can be in colo; electron microscope images are B&W unless they are artificially colored

Each of the following organisms would be considered a microbe EXCEPT

Unicellular, complex cell structure lacking a cell wall describes which of the following

Which of the following pairs is mismatched?

the ability of a microscope to distinguish fine details and differentiate between two very close objects is called

Methanogens, Extreme halophiles, Extreme thermophile are examples of

What theory is based on the observations of Hooke and van Leeuwenhoek, documenting the existence of microscopic cells?

The term used to describe a disease-causing microorganism is

All of the following statements correctly describes prokaryotic cells except

A microorganism measures 5 μm in length. What would its length in mm be?

Which of the following types of microscopy provides advantages for viewing live images?

Which structure protects bacteria from being phagocytized?

The antimicrobial drug imidazole inhibits sterol synthesis. This would most likely interfere with

Who was the first scientist to pursue a "magic bullet" that could be used to treat infectious disease?

Each of the following statements concerning the gram-positive cell wall is true EXCEPT

In using this microscope, the observer does NOT look directly at an image through a lens?

Pigments that absorb and reflect particular wavelengths of light

the following structures are found in both eukaryotes and prokaryotes except

What is a hallmark of passive transport across cell membranes?

A virus measures 100 nm in length. What is its length in μm?

What is the purpose of a mordant in the Gram stain technique?

vegetative cells are metabolically active cells

Which microscope is used to see intracellular detail in a living cell?

what microscope would you use to view unstained live cells in which intracellular structures are shown in color

The space between the inner and outer cell membranes in Gram-negative bacteria is caled the