LEC EXAM #2 CHP. 6 cont.

Question 1

Antibodies are specific to:

Answer 1

A viral particle

Question 2

Why does a virus have spikes?

Answer 2

• To clump together cells and infect host rapidly

- attachment

Question 3

Primers on PCR are specific:

Answer 3

For a specific piece of DNA

Question 4

Once primers bind:

Answer 4

Then a polymerase can bind and form the rest of the DNA strand

Question 5

PCR test:

Answer 5

Makes a large amount of DNA from a small amount of DNA

Question 6

Prions:

Answer 6

Proteins that are not folded in the correct manner-> forms clumps called plaques found in brain

Question 7

TSE is called ______ in cows:

Answer 7

Mad cow

Question 8

TSE is called ______ in deer:

Answer 8

Chronic wasting

Question 9

TSE is called ______ in sheeps:

Answer 9

Scrapie

Question 10

TSE is called ______ in humans:

Answer 10

CJD

Question 11

How does CJD work in humans?

Answer 11

Normal prion proteins get misfolded and causes properly folded proteins to misfold-> cells die and are removed->leaves holes in brain

Question 12

Symptoms CJD?

Answer 12

Causes loss of motor skills
Loss of memory
Twitching and shakiness

Question 13

How can you get CJD? (3)

Answer 13

1. Spontaneous mutation
2. Inheriting it from family
3. Eating contaminated meat