Biology 3.1.2 Flashcards Preview

BIOLOGY 3: Infection & Response > Biology 3.1.2 > Flashcards

Flashcards in Biology 3.1.2 Deck (14)
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1
Q

How do Viruses Reproduce?

A

By inserting their Genetic Material into Host Cells and creating new Protein capsules to build new Viral Particles.

2
Q

What type of Infection is Measles?

A

Viral Infection.

3
Q

What are the main Symptoms of Measles? (2)

A

-Fever.

-Red Skin Rash.

4
Q

How is Measles Spread? (1)

A

Inhalation of Droplets from coughs & sneezes.

5
Q

How can you Prevent Measles?

A

Vaccination.

6
Q

What type of Infection is HIV?

A

Viral Infection.

7
Q

What are the main Symptoms of HIV? (3)

A

-Flu-like.

-If untreated, can travel to Lymph Nodes & attack Cells of the Immune System.

-Can stay hidden in Immune System and keep damaging it, until it becomes AIDS.

8
Q

How is HIV Spread? (2)

A

-Direct Sexual Contact.

-Exchange of Bodily Fluids.

9
Q

How can you Prevent HIV?

A

Antiretroviral Drugs.

10
Q

What type of Infection is Tobacco Mosaic Virus?

A

Viral Infection.

11
Q

What type of Organism does TMV affect?

A

Plants.

12
Q

What are the main Symptoms of TMV? (2)

A

-Mosaic pattern of Discolouration on Leaves- Virus Infects the Chloroplasts.

-Plant won’t grow due to lack of P.sis, as Chloroplasts were Infected.

13
Q

How is TMV Spread? (2)

A

-Plants in Direct Contact with an Infected Plant.

-Plants in Contact with Infected Soil. The Virus can stay in Soil for ~50 years.

14
Q

How can you Prevent TMV?

A

Good Field Hygiene.