A) A virus mutates, and therefore it has which of the following traits of living things? (1 point)
It grows and develops.
It uses energy.
It evolves.
It is made of cells.
I apologize for the confusion. Among the traits of living things, a virus has the trait of evolving. Viruses can mutate and change over time, leading to the emergence of new strains or variants.
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A virus uses energy, but it does not produce or consume energy on its own. Instead, it relies on the host cell's energy and cellular machinery to carry out its life cycle and replicate.
A) Compare a virus to a unicellular organism. (1 point)
Neither unicellular organisms nor viruses respond to stimuli.
Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
Viruses need energy; unicellular organisms do not need energy.
Viruses reproduce through asexual reproduction; unicellular organisms need a host cell.
The correct answer is: Unicellular organisms have a cell membrane made from a lipid bilayer; viruses have a protein coat.
A) Summarize the lytic cycle. (1 point)
A virus copies its genetic material and then splits its cell membranes in half to form identical viruses.
The viral DNA incorporates itself with the host cell’s and replicates whenever the host cell replicates itself.
A virus lays eggs on the host cell’s protein coat, which then hatch and move on to infect other cells.
A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
The correct answer is: A virus injects its genetic material into the host cell, copies itself, and then forms new viruses that burst out of the host cell.
A) Differentiate between the lysogenic and lytic cycles. (1 point)
The virus injects DNA into the host cell during the lysogenic cycle.
The host cell is destroyed during the lytic cycle.
Viral proteins are synthesized during the lysogenic cycle.
The host cell copies its own DNA during the lytic cycle.