Acridine orange is a purine base analogue.

Answer the following statement true (T) or false (F)


False

Biology & Microbiology

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Which of the following is the best explanation for why cholesterol decreases the permeability of biological membranes?

A) Cholesterol binds to the outside surface of a membrane, thus blocking the movement of solutes. B) Because cholesterol is amphipathic, it forms tiny vesicles that trap solutes. C) Because cholesterol is amphipathic, it fits in between the phospholipids and blocks diffusion through the membrane. D) Cholesterol has four rings in its structure that can sequester (trap) solutes.

Biology & Microbiology

When solutions of host cells and infectious virions are mixed and spread on an agar plate, ________ form where viruses lyse the host cells

A) insertion sequences B) plaques C) prophages D) colonies

Biology & Microbiology

Predators can switch to alternative prey when a prey species is low in abundance as is shown in ____

a. type I response b. type II response c. type III response d. types I and III e. types I, II and III

Biology & Microbiology

Rheumatoid arthritis is the most threatening form of arthritis and often results in a replacement prosthesis of the damaged joint. Explain how this form of arthritis differs from other forms

What will be an ideal response?

Biology & Microbiology