BIOD 101 MODULE 6 EXAM PO
LEARNING ACTUAL TEST BAN
EXAM WITH QUESTIONS AND
VERIFIED ANSWERS 2025
Describe how prokaryotic cells store genetic material.
---ANSWER---Non membrane bound nucleoid region.
List TWO similarities between prokaryotic and eukaryotic cells. ---ANSWER
contain ribosomes to make proteins
Describe how eukaryotic cells store genetic information.
---ANSWER---Membrane bound nucleus
,Compare and contrast Gram-positive and Gram-negative bacteria regarding
peptidoglycan present in their cell walls
---ANSWER---Gram-positive bacteria have a thick layer of peptidoglycan, an
bacteria have a thin layer of peptidoglycan
Describe the Gram-stain process ---ANSWER---First, a sample of the bacter
crystal violet dye and iodine. Next, the sample is rinsed with alcohol to remo
Finally, the sample is stained a second time with a red dye. The properties o
determine how the dyes change the color of the cell, and determination of th
be made when the stained cells are viewed under a microscope.
List and describe the most common bacterial shapes.
---ANSWER---Cocci: spherical, bacilli: rod shaped, spiral: spiral shaped from
shape.
arranged in chains can be best described as? ---ANSWER---Streptococci
,trigger the complement proteins to activate. Activation causes a process of b
that results in the proteins forming a pore on the surface of the pathogen an
cell.
Which cells are the most abundant and play a major role in the process of in
ANSWER---Neutrophils
Macrophages and dendritic cells are examples of
---ANSWER---Monocytes
List the TWO arms of adaptive immunity, and the cells found in each ---AN
response (B cells and associated antibodies), cell-mediated responses (T cell
What are virulence factors? List ONE virulence factor related to GAS. ---AN
a pathogen to establish successful colonization within a host. M-protein and
can be found commensally in what two tissues of the body? In what tissues w
, What does a capsule provide? ---ANSWER---Mechanism of adhesion to hos
bacteria
When bacterial cells stick together, they form a
---ANSWER---Colony
Describe fimbriae ---ANSWER---Short, thin, hairlike appendages that attac
Describe flagella ---ANSWER---Whiplike structure with various attachment
Rotational movement of flagellum is produced by ---ANSWER---A protein g
___ and ___ are cross connected by amino acid links in the cell wall
---ANSWER---NAG and NAM
the cell wall make a polymer called
---ANSWER---Peptidoglycan
LEARNING ACTUAL TEST BAN
EXAM WITH QUESTIONS AND
VERIFIED ANSWERS 2025
Describe how prokaryotic cells store genetic material.
---ANSWER---Non membrane bound nucleoid region.
List TWO similarities between prokaryotic and eukaryotic cells. ---ANSWER
contain ribosomes to make proteins
Describe how eukaryotic cells store genetic information.
---ANSWER---Membrane bound nucleus
,Compare and contrast Gram-positive and Gram-negative bacteria regarding
peptidoglycan present in their cell walls
---ANSWER---Gram-positive bacteria have a thick layer of peptidoglycan, an
bacteria have a thin layer of peptidoglycan
Describe the Gram-stain process ---ANSWER---First, a sample of the bacter
crystal violet dye and iodine. Next, the sample is rinsed with alcohol to remo
Finally, the sample is stained a second time with a red dye. The properties o
determine how the dyes change the color of the cell, and determination of th
be made when the stained cells are viewed under a microscope.
List and describe the most common bacterial shapes.
---ANSWER---Cocci: spherical, bacilli: rod shaped, spiral: spiral shaped from
shape.
arranged in chains can be best described as? ---ANSWER---Streptococci
,trigger the complement proteins to activate. Activation causes a process of b
that results in the proteins forming a pore on the surface of the pathogen an
cell.
Which cells are the most abundant and play a major role in the process of in
ANSWER---Neutrophils
Macrophages and dendritic cells are examples of
---ANSWER---Monocytes
List the TWO arms of adaptive immunity, and the cells found in each ---AN
response (B cells and associated antibodies), cell-mediated responses (T cell
What are virulence factors? List ONE virulence factor related to GAS. ---AN
a pathogen to establish successful colonization within a host. M-protein and
can be found commensally in what two tissues of the body? In what tissues w
, What does a capsule provide? ---ANSWER---Mechanism of adhesion to hos
bacteria
When bacterial cells stick together, they form a
---ANSWER---Colony
Describe fimbriae ---ANSWER---Short, thin, hairlike appendages that attac
Describe flagella ---ANSWER---Whiplike structure with various attachment
Rotational movement of flagellum is produced by ---ANSWER---A protein g
___ and ___ are cross connected by amino acid links in the cell wall
---ANSWER---NAG and NAM
the cell wall make a polymer called
---ANSWER---Peptidoglycan
