WorksheetsViruses compared to cells
Total questions: 51
Worksheet time: 2hrs 13mins
A virus is
living
non living
dead
Viruses need a ____________ in order to make copies of themselves.
bacterial cell
host cell
capsid
vaccine
Virus' genetic information contains the code to:
make copies of itself
obtain and use energy
reproduce
grow and develop
Antibiotics ________ treat viral infections.
can
cannot
One you are infected with a virus, you can only treat the symptoms.
True
False
Vaccines are a preventative measure.
True
False
When given a vaccine, your body recognizes it as an invader and builds _________ against the virus.
lysogens
capsids
antibodies
immunoglobulins
What is the first step to both cycles?
The virus attaches to a host
the virus injects genetic material
the host gets sick
the cell is destroyed
Which of the following is an accurate description of prokaryotes?
simple, mostly single-celled organism that lacks a nucleus, or any other membrane-bound organelle
have a peptidoglycan cell wall and many have polysaccharide capsules
have a true nucleus, which means the cell's DNA is surrounded by a membrane
contain membrane-bound organelles, such as the nucleus
What is the plasma membrane?
it consists of a jelly-like cytosol within the cell which other cellular components are found
the genetic material of the cell
an outer covering that seperates the cell's interior from its surrounding environment
a structure that synthesize proteins
What is the cytoplasm?
it consists of a jelly-like cytosol within the cell which other cellular components are found
the genetic material of the cell
an outer covering that seperates the cell's interior from its surrounding environment
a structure that synthesize proteins
What is a ribosome?
an outer covering that separates the cell's interior from its surrounding environment
the genetic material of the cell
it consists of a jelly-like cytosol within the cell in which other cellular components are found
a structure that synthesize proteins
A scientist discovered an unknown organism that contains free-floating genetic material. Which of the following answers correctly identifies whether it is a prokaryote or eukaryote and explains why?
It is a eukaryote because it has DNA.
It is a prokaryote because there is no nucleus.
It is a eukaryote because there is no nucleus.
It is a prokaryote because it has DNA.
What is the correct order of events (from start to finish) that describe how viruses replicate in host cell?
I. Attachment to host cells using glycoproteins (surface receptors)
II. Host cell bursts (lyses) and viruses are released
III. Virus starts to replicate and new viral proteins are created (protein synthesis)
IV. Viral DNA is injected into host cell and virus takes over Host cells machinery
I, II, III, IV
IV, III, II, I
I, IV, III, II
II, III, IV, I
What part of the virus is number 3?
Capsid
DNA
Projections
Envelope
What does a virus ALWAYS surrounding the viral genome?
capsid
a fur coat
membrane envelope
cell membrane
Sometimes viruses have an extra protective layer called the...
capsid
a fur coat
membrane envelope
cell membrane
The viral genome is made up of...
DNA
RNA
DNA or RNA
Identify structure W.
Capsid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
Identify structure X.
Caspid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
Identify structure Y.
Caspid
Membrane Envelope
Viral Genome (RNA/DNA)
Identify structure Y.
Capsid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
Identify structure X.
Capsid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
The scientific name for the "spikes" on a virus
Capsid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
Also known as a "protein coat"
Capsid
Membrane Envelope
Viral Genome (RNA/DNA)
Glycoproteins
Influenza is also called..
a cold
the flu
rabies
COVID
The projections on the outside of a virus are used for
genetic material
attachment
alignment
reproduction
Pathogens are
viruses (only)
disease causing
cured by antibiotics
helped by cells
Vaccines help your body fight
fungal infections
bacterial infections
virial infections
all of the above
True or False: Viruses contain cytoplasm
True
False
ability to form proteins at the ribosomes
existence of lipids in cell membranes
presence of genetic code in nucleic acid
production of energy by a mitochondrion
nucleic acid strand surrounded by a protein coat
a tail surrounded by a protein coat
a tail surrounded by a carbohydrate coat
nucleic acid strand surrounded by a carbohydrate coat
Unit 1
A table comparing characteristics of four samples is shown.
Which sample most likely is identifying viruses?
Sample 1
Sample 2
Sample 3
Sample 4
What factor characterizes viruses as nonliving particles rather than cells? Viruses -
are destroyed by antibiotics.
have no metabolism of their own.
can survive only in intercellular spaces.
take over a host’s body systems.
Which statement best explains why viruses are considered to be nonliving?
They are only able to be viewed with a microscope.
They are unable to reproduce independently.
They lack genetic material.
They have different types of proteins.
Viruses are much larger than cells.
True
False
Research provides evidence that the HIV virus requires a host to carry out its metabolic activities. Which evidence supports that the HIV virus is nonliving?
It has complicated DNA.
It has complicated structures.
It lacks food-producing or energy-producing cell organelles.
It lacks the genetic material needed to create more viruses.
Which of the following answer about cell size and viral size is true?
Virus-smallest
Bacteria-smaller
Eukaryotic cell-small
Virus-small
Bacteria-smaller
Eukaryotic cell-smallest
Virus-smallest
Bacteria-small
Eukaryotic cell-smaller
