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Tobacco Mosaic Virus and its Infection Process

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Tobacco Mosaic Virus and its Infection Process

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Questions and Answers

How does the tobacco mosaic virus infect plants?

By contact between plants (correct)

Via pollinators

Through air transmission

By infecting the root system

What structural adaptations do pathogens have that enable them to cause disease?

Production of oxygen

Capacity to infect chloroplasts (correct)

Formation of an envelope

Ability to photosynthesize

How is HIV primarily transmitted?

By inhaling infected air

From sharing contaminated food

Through mosquito bites

Body fluids during unprotected sex (correct)

What does AIDS stand for?

Acquired Immune Deficiency Syndrome Signup and view all the answers

What happens to infected individuals during the initial stages of HIV infection?

They suffer from mild flu-like symptoms Signup and view all the answers

How do bacteria differ from other pathogens mentioned in the text?

They lack a nucleus Signup and view all the answers

What is the role of antibodies in the immune system?

Destroying pathogens Signup and view all the answers

How do pathogens spread in the body?

Through air, water, or direct contact Signup and view all the answers

Where do most drugs originate from?

Plants and microorganisms Signup and view all the answers

What is the main cause of AIDS?

Pathogens transmitted through blood, sexual contact, or bodily fluids Signup and view all the answers

How does phagocytosis help in fighting infections?

By engulfing and digesting pathogens Signup and view all the answers

What is the effect of antibodies on pathogens?

Neutralizing pathogens and marking them for destruction Signup and view all the answers

What is the primary method by which a host cell reproduces thousands of identical copies of a virus when infected?

Mitosis Signup and view all the answers

How can Gonorrhoea be prevented according to the text?

Abstaining from sex or using condoms Signup and view all the answers

What is the role of antibodies in combating infections caused by bacteria like Salmonella?

Neutralizing toxins produced by bacteria Signup and view all the answers

Which of the following is NOT mentioned as a source of Salmonella infection according to the text?

Reheated vegetables Signup and view all the answers

Based on the text, what role do antibiotics play in treating Gonorrhoea?

Directly attacking and killing the bacteria Signup and view all the answers

AIDS is caused by a virus known as:

HIV Signup and view all the answers