Answer:1) it protects the nucleic acid from digestion by enzymes, 2) contains special sites on its surface that allow the virion to attach to a host cell, and 3) provides proteins that enable the virion to penetrate the host cell membrane and, in some cases, to inject the infectious nucleic
Explanation:
Answer:
True.
Explanation:
Staphylococcus aureus is a bacteria that can be in the skin, nose, mouth, under the armpits, or on skin folds, but that is harmless unless that it enters the body through a cut or open wound. Once inside the body, the bacteria can cause different types of infections. These infections can be small ones or big ones such as pneumonia, meningitis, or endocarditis. The bacteria spread from one person to another by skin to skin contact or by being in touch with contaminated surfaces. That is why we should avoid touching dirty places, and we should wash our hands periodically.
