Questions Ch.18-19

Question 1

What do viruses infect?

Answer 1

Humans and some animals

Question 2

What is a virus composed of?

Answer 2

DNA, capsid, and maybe lipid

Question 3

What pathogen is made out of a single strain of RNA and can only infect plants?

Answer 3

Viroid

Question 4

Pathogen made out of folded proteins that affect brains.

Answer 4

Prion

Question 5

What kind of infection kills the host bacteria?

Answer 5

Lytic

Question 6

This kind of infection does not kill the host bacteria, it mixes with its DNA to duplicate.

Answer 6

Lysogenic

Question 7

Name of the viruses that only infect bacteria.

Answer 7

Bacteriophages

Question 8

What’s the name of a substance made out of a weakened virus that is used to actívate the body’s immune response?

Answer 8

Vaccine

Question 9

Part of the bacteria that looks like hair and is all around the cell wall.

Answer 9

Pili

Question 10

This organelle helps a cell to move and looks like a tail.

Answer 10

Flagellum

Question 11

What are the three types of protists?

Answer 11

Animal-like, plant-like, fungi-like

Question 12

How can you also call animal-like protists?

Answer 12

Protozoa

Question 13

What are three ways that protozoa can move?

Answer 13

By flagella, pseudopods, and cilia

Question 14

The difference between animal-like protists and real animals is that this protists are…

Answer 14

Single-celled

Question 15

Plantlike protists and plants are both photosynthetic, but plants have…

Answer 15

Roots, stems, and leaves

Question 16

Funguslike protists and fungi are both…

Answer 16

Heterotrophs

Question 17

Fungislike protists, unlike real fungi, can…

Answer 17

Move

Question 18

What are the 5 main steps of the scienctific method?

Answer 18

Observation, question, hypothesis, experiment and results

Question 19

How does the scientific method start?

Answer 19

By observing

Question 20

After an observation is made, the scientist asks a…

Answer 20

Question

Question 21

To answer this question, the scientist provides a…

Answer 21

Hypothesis

Question 22

To test the hypothesis, scientists create…

Answer 22

An experiment

Question 23

After the experimentation, these are gathered.

Answer 23

Results

Question 24

Mention three different pathogens.

Answer 24

Bacteria, virus, viroid, fungi, and prion