Question

Which type of virus has three components? 1. genetic information, 2. a protein capsid and 3. a lipid layer surrounding the protein capsid A.) enveloped viruses B.) bacteriophage C.) naked viruses _ form when the bacterial cell experiences lack of moisture and nutrients. This structure has a _ protective structure. A.) endospores...keratin-like B.) endospores...DNA like C.) plasmids...DNA like D.) granules...keratin-like Genetic information found inside viruses can be: A.) DNA or RNA B.) RNA only C.) DNA and RNA D.) DNA only Viruses are obligate __ microbes which considered living. A.) extracellular...are B.) intracellular...are not C.) intracellular...are D.) extracellular...are not The order of replication steps for an animal virus are: A.) penetration, uncoating, replication, synthesis, assembly, attachment and release. B.) uncoating, attachment, penetration, replication, synthesis, assembly and release. C.) attachment, penetration, uncoating, assembly, replication, synthesis and release. D.) attachment, penetration, uncoating, replication, synthesis, assembly and release. Microbes that are not composed of cells are _ and bacteria are single celled _. A.) cellular...eukaryotes B.) Acellular...prokaryotes C.) cellular...prokaryotes D.) Acellular...eukaryotes This cell has a thick layer of peptidoglycan, a plasma membrane and mycolic acids. Which type of bacterial cell wall does this represent? A.) Gram-positive bacteria due to the plasma membrane B.) Gram-positive bacteria due to the thick peptidoglycan C.) Acid fast bacteria due to the mycolic acids _ are found in the cytoplasm and may carry genes that provide new benefits to the bacterium such as the _ or _. A.) plasmids...ability to replicate DNA or remove waste from the cell B.) transposon...ability to replicate DNA or remove waste from the cell C.) plasmids...ability to resist antibiotics or degrade pollutants D.) transposon...ability to resist antibiotics or degrade pollutants The _ is used for attachment between two Gram-negative bacterial cells to _ in a process called _. A.) fimbriae...form biofilms...biofilm formation B.) sex pilus...form biofilms...biofilm formation C.) fimbriae...share DNA...conjugation D.) sex pilus...share DNA...conjugation bacteriophage enter bacterial cells via . A.) pinocytosis B.) adsorption C.) fusion D.) endocytosis The polio virus infects motor neuron cells. This is an example of _ tropism. A.) cell B.) host C.) tissue Which represents the full/proper nomenclature for bacteria? A.) Escherichia B.) Coli escherichia H1N1 C.) E. coli D.) Escherichia coli O157: H7 What is the primary function of the fimbriae-short structures which protrude from some bacterial cells? A.) attachment B.) movement C.) protection D.) digestion This cell has porins, lipopolysaccharide and an outer membrane. Which type of bacterial cell wall does this represent? A.) Mycoplasma B.) Gram-positive C.) Gram-negative D.) Acid Fast Bacteria The cells are cocci, stain purple and arrange in clusters. This must be: A.) Gram-negative Staphylococci B.) Gram-positive bacilli C.) Gram-positive Staphylococci D.) Acid Fast Bacteria bacilli

          Which type of virus has three components? 1. genetic
information, 2. a protein capsid and 3. a lipid layer surrounding
the protein capsid
A.) enveloped viruses
B.) bacteriophage
C.) naked viruses

___ form when the bacterial cell experiences lack of moisture
and nutrients. This structure has a ___ protective structure.
A.) endospores...keratin-like
B.) endospores...DNA like
C.) plasmids...DNA like
D.) granules...keratin-like

Genetic information found inside viruses can be:
A.) DNA or RNA
B.) RNA only
C.) DNA and RNA
D.) DNA only

Viruses are obligate ____ microbes which ____ considered
living.
A.) extracellular...are
B.) intracellular...are not
C.) intracellular...are
D.) extracellular...are not

The order of replication steps for an animal virus are:
A.) penetration, uncoating, replication, synthesis, assembly,
attachment and release.
B.) uncoating, attachment, penetration, replication, synthesis,
assembly and release.
C.) attachment, penetration, uncoating, assembly, replication,
synthesis and release.
D.) attachment, penetration, uncoating, replication, synthesis,
assembly and release.

Microbes that are not composed of cells are ___ and bacteria are
single celled ___. 
A.) cellular...eukaryotes
B.) Acellular...prokaryotes
C.) cellular...prokaryotes
D.) Acellular...eukaryotes

This cell has a thick layer of peptidoglycan, a plasma membrane
and mycolic acids. Which type of bacterial cell wall does this
represent?
A.) Gram-positive bacteria due to the plasma membrane
B.) Gram-positive bacteria due to the thick peptidoglycan
C.) Acid fast bacteria due to the mycolic acids

___ are found in the cytoplasm and may carry genes that provide
new benefits to the bacterium such as the ___ or ___. 
A.) plasmids...ability to replicate DNA or remove waste from the
cell
B.) transposon...ability to replicate DNA or remove waste from
the cell
C.) plasmids...ability to resist antibiotics or degrade
pollutants
D.) transposon...ability to resist antibiotics or degrade
pollutants

The ___ is used for attachment between two Gram-negative
bacterial cells to ___ in a process called ___. 
A.) fimbriae...form biofilms...biofilm formation
B.) sex pilus...form biofilms...biofilm formation
C.) fimbriae...share DNA...conjugation
D.) sex pilus...share DNA...conjugation

bacteriophage enter bacterial cells via ____. 
A.) pinocytosis
B.) adsorption
C.) fusion
D.) endocytosis 

The polio virus infects motor neuron cells. This is an example
of ___ tropism.
A.) cell
B.) host
C.) tissue

Which represents the full/proper nomenclature for bacteria?
A.) Escherichia
B.) Coli escherichia H1N1
C.) E. coli
D.) Escherichia coli O157: H7

What is the primary function of the fimbriae-short structures
which protrude from some bacterial cells?
A.) attachment
B.) movement
C.) protection
D.) digestion

This cell has porins, lipopolysaccharide and an outer membrane.
Which type of bacterial cell wall does this represent?
A.) Mycoplasma
B.) Gram-positive
C.) Gram-negative
D.) Acid Fast Bacteria

The cells are cocci, stain purple and arrange in clusters. This
must be:
A.) Gram-negative Staphylococci
B.) Gram-positive bacilli
C.) Gram-positive Staphylococci
D.) Acid Fast Bacteria bacilli

Added by Vicenta G.

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