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Viral Carbohydrates Composition Quiz

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Questions and Answers

What is the primary function of the enzymes found in the viral envelope or cell membrane?

To assist in the specialization of viruses
To degrade components of the viral envelope or cell membrane (correct)
To synthesize nucleic acid
To explain the degree of parasitism of these pathogens

Which enzyme is responsible for the synthesis of nucleic acid in reoviruses?

Exonuclease
Endonuclease
RNA-Transcriptase (correct)
DNA-polymerase

What is the function of the Kinase enzymes found in animal viruses?

To synthesize nucleic acid
To phosphorylate molecules within the virus (correct)
To degrade components of the viral envelope or cell membrane
To assist in the specialization of viruses

What is the primary function of the Endonuclease enzyme in viruses?

To break down DNA internally (B) Signup and view all the answers

How do the presence or absence of enzymes in virus synthesis assist in the specialization of viruses?

By allowing viruses to specialize in different functions and host cells (B) Signup and view all the answers

Which of the following statements about viral carbohydrates is true?

Animal and plant viruses with envelopes contain polysaccharides combined with proteins. (B) Signup and view all the answers

What is the primary function of carbohydrates in viral envelopes?

To facilitate the adhesion and penetration of host cells. (B) Signup and view all the answers

What is the significance of treating viral glycoproteins with glycosidase enzymes?

It results in the loss of adsorption ability. (A) Signup and view all the answers

Which of the following statements about viral glycoproteins is true?

They play a role in the immune process for enveloped viruses. (B) Signup and view all the answers

What are the structural components that contain carbohydrates in enveloped viruses?

The viral envelope and protrusions/spikes. (A) Signup and view all the answers