Introduction to microbiology chapter 1 LECTURE 1

Question 1

what is Microbia?

Answer 1

Microscopic organisms

Question 2

Microbes are Microscopic organisms that exist as either ______________,________________, or multicellular relatively complex organisms.

Answer 2

1) Unicellular 2) cell clusters

Question 3

Malaria is caused by ________________

Answer 3

protozoa

Question 4

helminthes is a ________________, ( eggs are _____________)

Answer 4

1) parasitic worm ( can find in Poop and Anus ) 2)microscopic

Question 5

Microbes are everywhere ( ___________ ), we have __X microbial cells than ____________

Answer 5

1) Ubiquitous 2)10 3) Human cells

Question 6

Aseptic technique means _____________________

Answer 6

Without contamination

Question 7

A lot of ____________ comes from microbes.

Answer 7

Antibiotics ( and medicine)

Question 8

” Cold temperature stops microbial growth “ is not necessarily true because _____________ is found in Ice-Cream.

Answer 8

Listeria

Question 9

GOOD SIDES OF BACTERIA List some of the stuff is used in?

Answer 9

1) Bread 2) cheese 3) Wine & Alcohol in general 4) Vinegar 5) MEDICINE 4) ANTIBIOTICS

Question 10

Majority of human diseases is caused by ______________

Answer 10

Bacteria

Question 11

_________________ causes diseases such as plague, tuberculosis and anthrax.

Answer 11

Pathogenic Bacteria “ can be deadly (NOTE not all bacteria are pathogenic)

Question 12

Biofilms are Microbial communities that are _____________ to ______________.

Answer 12

1) difficult 2) destroy

Question 13

septicemia is found in __________

Answer 13

blood ( very popular in the united states )

Question 14

Microbes entire life cycle can be ______________ or just some stages. Example is _____________?

Answer 14

1) Microscopic 2)Helminths

Question 15

what are the 6 major types of Microbes?

Answer 15

1) Bacteria 2)Archaea 3)Fungi 4)Protozoa 5)Algae ( not disease causing ) 6)Viruses

Question 16

DISEASES CHART

Answer 16

NOTE that some popular disease common in the unites states in not worldwide and vise versa

Question 17

_______________ is a major distinguishing feature of bacteria. It’s a polymer of ___________ and ___________.

Answer 17

1) Peptidoglycan
2) Glycan
3) Peptides

Question 18

Bacteria

how many cells? •____________
what kind of cells is it? •_________________
cell wall is made of? •_______________
Reproduction = __________
is it motile? ______________

oxygen response VARY

Answer 18

1) Unicellular
2) Prokaryotic (no nucleus)
3) Peptidoglycan cell wall usually
4) Binary fission ( makes 2 copies)
5) Maybe only if it has FLAGELLA

Question 19

what are the shapes of BACTERIA?

Answer 19

1) Cocci - A round Bacteria (spherical)
2) Bacilli - Rod shaped
3) Vibrias - like a rod but curved
4) Spirille - spiral shaped
5) Spirochaetes - very curly

Question 20

Two Cocci bacteria stuck together are called _____________,

if it’s a whole chain then it’s called a ________________, if you have four it’s called ______________, four together that shapes a square is called ______________. A cluster ( group ) with no defined shape is known as _____________.

Answer 20

1) Diplococci
2) streptococci
3) Tetrad
4) Sacrina
5) staphylococci

Question 21

Prokaryotic means that cell has _____________, meaning No MEMBRANE bound but it has a chain of ______________

Answer 21

1) No nucleus
2) DNA and RNA and RIBOSOMES ( protein Synthesis )

Question 22

Archaea (Everywhere)

how many cells? •____________
cell wall is made of? •__________________
what kind of cells is it? •____________
where does it live? •_______________

Answer 22

1) Unicellular
2) Lack peptidoglycan cell wall
3) Prokaryotic
4) Extreme environments

Question 23

Archaea Absorbs sunlight using a protein called _____________, in which reacts with light and gives you _________.

Answer 23

1) Bacteriorhodopsin
2) ATP

Question 24

Fungi

what kind of cells is it? •____________

how many cells? •____________

cell wall is made of? •__________________

what diseases does it cause? •_______________

Answer 24

1) Eukaryotic
2) Multicellular (mushrooms, molds) or unicellular (yeasts)
3) Chitin cell wall
4) Ringworms, candidias

Question 25

Protozoa

what kind of cells is it? •____________

how many cells? •____________

cell wall is made of? •__________________

how is it classified ? •_______________

Answer 25

1) Eukaryotic
2) Unicellular
3) Cellulose
•Traditionally classified based on mode of locomotion

Question 26

Protozans are known to cause malaria, sleepings sickness and _______________. Divided based on mode of Locomtion

. flagellates produce their own food

. ciliates have tiny hair to _____________

. Amoeboids have _____________

. sporozons Non motile

Answer 26

1) toxaplasmosis
2) produce movement
3) false feet

Question 27

Algae

what kind of cell? _____________

found in ________________

Answer 27

1) eukaryotic
2) Aquatic environment

Question 28

Virsuses

. NON living

Can not reproduce by itself so it has? . ____________

It is surrounded by? . ________________

what does it require inorder to reproduce? ____________

Viruses tend to mutate __________

CAUSES: INFLUENZA , ___________, AIDS

Answer 28

1) Nucleic Acid ( DNA or RNA )
2) Protein coat
3) a host cell
4) rapidly
5) YELLOW FEVER

Question 29

Helminths

what kind of cell? • ___________
•Parasitic worms
•Eggs are usually ____________ and used in ID

Answer 29

1) Eukaryotic
2) microscopic