Biology 3.1.2 Flashcards

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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.

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2
Q

What type of Infection is Measles?

A

Viral Infection.

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3
Q

What are the main Symptoms of Measles? (2)

A

-Fever.

-Red Skin Rash.

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4
Q

How is Measles Spread? (1)

A

Inhalation of Droplets from coughs & sneezes.

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5
Q

How can you Prevent Measles?

A

Vaccination.

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6
Q

What type of Infection is HIV?

A

Viral Infection.

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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.

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8
Q

How is HIV Spread? (2)

A

-Direct Sexual Contact.

-Exchange of Bodily Fluids.

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9
Q

How can you Prevent HIV?

A

Antiretroviral Drugs.

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10
Q

What type of Infection is Tobacco Mosaic Virus?

A

Viral Infection.

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11
Q

What type of Organism does TMV affect?

A

Plants.

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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.

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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.

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14
Q

How can you Prevent TMV?

A

Good Field Hygiene.

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