Which of these does need a virus need in order to survive?
A. A host cell to prove oxygen for the virus
B. New ADP from a host cell
C. A host cell to replicate the virus DNA
D. Chloroplasts from a host cell
C. A host cell to replicate the virus DNA
To determine which of these options a virus needs in order to survive, let's analyze each option:
A. A host cell to provide oxygen for the virus
Viruses do not require oxygen for their survival because they lack cellular respiration. They do not metabolize or produce energy on their own.
B. New ADP from a host cell
Adenosine diphosphate (ADP) is a molecule involved in cellular energy metabolism. However, viruses do not have their own metabolism, so they do not require ADP from a host cell.
C. A host cell to replicate the virus DNA
This is the correct answer. Viruses rely on host cells to reproduce and replicate their own DNA or RNA. They essentially hijack the cellular machinery of the host cell to synthesize viral components and produce new virus particles.
D. Chloroplasts from a host cell
Chloroplasts are found in plant cells and are responsible for photosynthesis. Viruses do not typically infect plant cells or rely on chloroplasts for their survival.
Therefore, the correct answer is:
C. A host cell to replicate the virus DNA
To get this answer, we need to understand the basic characteristics of viruses, such as their inability to replicate independently and their dependency on host cells for replication. By eliminating the other options based on biological knowledge, we can conclude that the replication of viral DNA within a host cell is crucial for a virus's survival.