What is one primary function of the virus capsid?

The primary function of the virus capsid is to protect the DNA and RNA strands. The capsid is a protein shell that encases and safeguards the viral genetic material from the harsh external environment, as well as from degradation by enzymes found in the host organism. This protective function is crucial for the virus's ability to infect host cells and inject its genetic material, facilitating replication and the subsequent production of new virus particles.

In addition to protection, the capsid also plays a role in the attachment and entry of the virus into host cells, as it is often involved in recognizing and binding to specific receptors on the host cell surface. This ensures that the viral genetic information is safely delivered into the host, enabling the virus to hijack the host's cellular machinery for its replication and propagation.