The predominant lipid substance found in the viral envelope is all of these glycolipids neutral fat phospholipids TRUE ANSWER : ? YOUR ANSWER : ?
Mumps vaccine is prepared from the cultures of healthy calves sheep African green monkey cells chick fibroblasts TRUE ANSWER : ? YOUR ANSWER : ?
The two major components of viruses are carbohydrate and nucleic acid nucleic acid and protein fat and carbohydrate fat and protein TRUE ANSWER : ? YOUR ANSWER : ?
What is the function of positive strand in double stranded RNA viruses? Both (a) and (b) Production of ribosomes None of these Synthesis of protein TRUE ANSWER : ? YOUR ANSWER : ?
The uncontrolled proliferation of cells is termed as all of these anaplasia metastasis hyperplasia TRUE ANSWER : ? YOUR ANSWER : ?
Which type of interferon is produced by virus-infected cells? Both (a) and (b) None of these β α TRUE ANSWER : ? YOUR ANSWER : ?
Negative strand ssRNA viruses need to have a preformed replicase when they invade a mammalian cell because they None of these use it to terminate transcripts when they copy host cell mRNA use it to modify host enzymes that are recruited for viral replication have to make a positive strand copy that can be translated TRUE ANSWER : ? YOUR ANSWER : ?
Supercoiling refers to the extra turns in the structure of ds DNA due to the action of RNA gyrase DNA gyrase DNA pyrase RNA pyrase TRUE ANSWER : ? YOUR ANSWER : ?
The penetration of animal viruses into attached cells occur by mechanisms consisting of engulfment of whole virions by the cells in a phagocytic process called vivopexis vitropexis viropexis ectodesmata TRUE ANSWER : ? YOUR ANSWER : ?
Plant viruses penetrate host cells through transient ores called ectodesmata cytodesmata endodesmata protodesmata TRUE ANSWER : ? YOUR ANSWER : ?