viruses re-assesment

Question 1

Most Pathogens are stopped and/or destroyed by?

Answer 1

The skin

Question 2

What is not a benefit of inflammation?

Answer 2

Less oxygen for viruses and bacteria

Question 3

Why were soldiers from rural areas of the U.S. more likely to get the 1918 flu

Answer 3

Less immunity from exposure to fewer diseases

Question 4

Antibodies are

Answer 4

produced by B-cells and connect to virus proteins “hand cuffing” them

Question 5

Viruses have what property of life?

Answer 5

Mutate and evolve

Question 6

In transcription after the DNA unzips ______ match up with one side of the DNA

Answer 6

RNA nucleitides

Question 7

The structure of DNA as presented by franklin, Watson, an crick was a

Answer 7

Double helix

Question 8

In DNA synthesis the rules of base pairing ensures that

Answer 8

Guanine matches with Cytosine

Question 9

In DNA replication

Answer 9

Two DNA molecules- 1/2 old and1/2 new are made

Question 10

What does not occur in translation

Answer 10

The gene gets copied onto RNA

Question 11

Flue has______genes

Answer 11

less than 10

Question 12

What helped the flu spread during W.W.1?

Answer 12

Many people were close to get her

Question 13

Helper t-cell

Answer 13

When HIV attacks these the immune response is uncoordinated and ineffective(AIDS)

Question 14

Killer t-cell

Answer 14

Finds infected cells and disrupts the cell membrane, killing them

Question 15

Macrophage

Answer 15

They eat and ‘present’ viral proteins to cells of the specific immune response

Question 16

Retrovirus

Answer 16

An RNA virus that gets its info copied into a cell DNA with reverse transcriptase

Question 17

Envelope

Answer 17

Disguise some viruses because its structured like a cell membrane

Question 18

Suppressor t-cells

Answer 18

slows down the immune response once the disease is under control

Question 19

Auto immune

Answer 19

immune cells(bored?) attack the bodies own cells

Question 20

Prion

Answer 20

An infectious protein that causes other proteins to deform-causes ‘mad cow disease

Question 21

Etaple

Answer 21

British camp where 1918 flu likely started, had pigs, chickens, and crowded humans

Question 22

Protien

Answer 22

Have a special 3D shape enableing them to do a specific job in the cell

Question 23

T or F? Prokaryots generally have much similar regulatory sequences for their genes than eukaryotes

Answer 23

True

Question 24

T or F? All of an organism’s genes are being used to make proteins

Answer 24

False

Question 25

T or F? Everything we consider a ‘disease’ is caused by a pathogyn

Answer 25

False

Question 26

T or F? Lac genes in E. coli turn off when lactose binds to the repressor protein unlocking the gene

Answer 26

False

Question 27

T or F? Vaccines have saved many lives, but improved sanitation and drinking water have saved a lot more

Answer 27

True

Question 28

T or F? about 40,000 Americans are killed on an average year by the flu

Answer 28

True

Question 29

T or F? It is thought likely that both the flu and covid were animal (zoonotic) viruses that managed to jump to humans

Answer 29

True

Question 30

T or F? Vaccines act as a poison, killing viruses and bacteria

Answer 30

False