What is the unique function of central vacuoles in a plant cell?(1 point)
Responses
they store enzymes
they store enzymes
they store pigments
they store pigments
they store ribosomes
they store ribosomes
they store water
they store water
Neurotransmitter release is an example of ________.(1 point)
Responses
autocrine signaling
autocrine signaling
cellular miscommunication
cellular miscommunication
paracrine signaling
paracrine signaling
cyclical behavior
paracrine signaling
How are new viruses made?(1 point)
Responses
sexual reproduction
sexual reproduction
asexual reproduction
asexual reproduction
viral DNA or RNA copied by viral cells
viral DNA or RNA copied by viral cells
viral DNA or RNA copied by a host cell
viral DNA or RNA copied by a host cell
How are new viruses made?(1 point)
Responses
sexual reproduction
sexual reproduction
asexual reproduction
asexual reproduction
viral DNA or RNA copied by viral cells
viral DNA or RNA copied by viral cells
viral DNA or RNA copied by a host cell
viral DNA or RNA copied by a host cell
Compare and contrast a provirus and viral DNA.(1 point)
Responses
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is viral DNA incorporated into the host cell’s DNA.
A provirus is newly replicated viral DNA after injection.
A provirus is newly replicated viral DNA after injection.
A provirus is bacterial DNA incorporated into the viral DNA.
A provirus is bacterial DNA incorporated into the viral DNA.
A provirus is the host cell’s DNA that has been destroyed.
A provirus is viral DNA incorporated into the host cell’s DNA, while viral DNA refers to the DNA of a virus.
Why is the common cold virus difficult to cure in humans?(1 point)
Responses
It attacks white blood cells that fight off foreign bodies.
It attacks white blood cells that fight off foreign bodies.
It possesses a viral genome that mutates very quickly.
It possesses a viral genome that mutates very quickly.
It is caused by a special type of virus called a retrovirus.
It is caused by a special type of virus called a retrovirus.
It is a spherical-shaped virus with many protein receptors.