What makes phages so specific in their host range?


Answer: Phages attach to receptors on their host cell; if a cell lacks those receptors, the phage cannot infect it.

Biology & Microbiology

You might also like to view...

Bivalves lack which of the following molluscan

features? a. foot b. radula c. mantle d. shells e. visceral mass

Biology & Microbiology

Which sense is a general sense?

A) pressure B) smell C) hearing D) vision

Biology & Microbiology

Which one of the following is represented by the calculation: (number of births — number of deaths)/total population?

A) fertility rate B) birth rate C) population growth rate D) replacement fertility rate E) zero population growth

Biology & Microbiology

When considering DNA and RNA, which of the following statements is generally FALSE?

a. There are five major types of nitrogenous base. b. There are two types of purines and three types of pyrimidines. c. There are two types of purines and two types of pyrimidines. d. A free 3' hydroxyl group is found in deoxyribose. e. A free 3' hydroxyl group is found in ribose.

Biology & Microbiology