Lesson 12 lecture notes

Question 1

Microbiology

Answer 1

the study of microscopic organisms

Question 2

What are the two kingdoms that include bacteria?

Answer 2

Eubacteria, Archaebacteria

Question 3

Chemical structure of cell walls
Genetic Structure
Archaebacteria can survive extreme environments

Answer 3

How archaebacteria and eubacteria differ

Question 4

Capsule (orange)

Answer 4

keeps the cell from drying out

Question 5

Cell Wall (yellow)

Answer 5

Outside of the cell membrane, helps the cell to keep its shape

Question 6

Cell membrane (green)

Answer 6

bilayer phospholipid membrane controls flow into and out of the cell

Question 7

Double strand DNA

Answer 7

contains genes and blueprints for proteins

Question 8

Ribosomes

Answer 8

make proteins

Question 9

Plasmids

Answer 9

loops of extra genetic information

Question 10

Pilus or Pili

Answer 10

help stick to things

some, called conjugation pili, form a tunnel through which genes can be passed from one bacterium to another

Question 11

Flagella

Answer 11

threadlike motor

Question 12

What bacteria shape is coccus?

Answer 12

sphereical

Question 13

What bacteria shape is bacillus?

Answer 13

rod-shaped

Question 14

What bacteria shape is spirillum

Answer 14

corkscrew

Question 15

What bacteria shape is Spirochaeta

Answer 15

coiled

Question 16

Bacteria reproduce via binary fission, which takes…

Answer 16

9 minutes.

Cells elongate, replicate, and divide into daughter cells

Question 17

Are viruses alive?

Answer 17

Viruses are not truly living organisms, because they lack many properties of life

Question 18

Does a virus have DNA or RNA?

Answer 18

one or the other, never both