C. Surface proteins.
Viral infection begins when proteins on the surface of a virion bind to specific receptor proteins on the surface of host cells.
Answer:
Commanders at all levels ensure their Soldiers operate in planning necessary to understand, visualize, and describe their. The activities of the operations process are not discrete, they overlap staff assists subordinate units (commanders and staffs)
Explanation:
I tried my best I hope I could help
Answer:
have a short, light sleep, especially during the day.
"the children play beach games while the adults snooze in the sun"
