The lion (Panthera leo) is one of the five big cats in the genus Panthera and a member of the family Felidae. The commonly used term African lion collectively denotes the several subspecies found in Africa. With some males exceeding 250 kg (550 lb) in weight, it is the second-largest living cat after the tiger.
Rating Newest Oldest. Best Answer: Viruses are obligate intracellular parasites that can be maintained only inside living cells. Whern we refer to something as obligate that indicates that the virus (in this case) must do or behave in the specified manner. Since viruses are obligate intraellular parasites, the term conveys the idea that viruses must carry out their reproduction by parasitizing a host cell.
General Characteristics of Viruses. a. Are inert when not within a host cell. b. Require a living host cell to multiply. i. They are therefore considered to be obligate intracellular parasites. c. Viruses contain DNA or RNA, but not both.he range of host cells the virus can infect. ii. The host range of a virus is determined by specific host attachment sites and cellular factors necessary for viral multiplication. 1. Attachment sites include things such as cell walls, fimbriae, flagella, and plasma membrane proteins. iii.