Intro to Microbiology

Question 1

Harmful viruses

Answer 1

• human immunodeficiency virus, Ex. AIDS/HIV

- Tobacco Mosaic Virus

Question 2

Electron microscope

Answer 2

Used electrons instead of photons to visualize specimens, providing greater resolutions

Question 3

How can fungi be beneficial?

Answer 3

Yeast- beer, bread, wine

Edible mushrooms

Question 4

Culture

Answer 4

collection of microbial cells that have been grown in or on a medium

Question 5

Archaea

Answer 5

Single cell d organism usually found extreme environments

Question 6

Contrast

Answer 6

the ability to tell the difference between a specimen and its background

Question 7

Beneficial Protozoa

Answer 7

food source for microinvertebrates

Question 8

How can Archea be beneficial?

Answer 8

Human and ruminant digestive tracts - methanogens

Question 9

Characteristics of a prokaryotic cell

Answer 9

Plasmids

Question 10

Pathogenic

Answer 10

MO that do cause disease

Question 11

Transmission electron microscope

Answer 11

Allows visualization on individual proteins or nucleic acids inside of a cell

Question 12

MO with Eukaryotic cells

Answer 12

Protozoa, parasites, algae, fungi

Question 13

magnification

Answer 13

the capacity of a microscope to enlarge an image

Question 14

Bacteria

Answer 14

Single called organism capable of independent metabolism

Question 15

How can viruses be beneficial?

Answer 15

Adenovirus- gene therapy

Protect human gut from invading bacteria

Question 16

MOs that do not cause disease in the absence of normal host exist an e

Answer 16

Opportunistic pathogens

Question 17

Characteristics of a eukaryotic cell

Answer 17

Nucleus
Mitochondria
Endoplasmic reticulum
Golgi complex

Question 18

Robert Hooke

Answer 18

the first person to observe cells under a microscope

Question 19

Types of microbes

Answer 19

bacteria, viruses, parasites, archaea, fungi, protozoa, algae

Question 20

Colony

Answer 20

The visible growth of bacterial or fungal cells on a solid medium starting from a single cell

Question 21

Parasite

Answer 21

Lives in or on another organism. May be microscopic or macroscopic

Question 22

Non-pathogenic

Answer 22

MO that do not cause disease

Question 23

MO with Prokaryotic cells

Answer 23

Bacteria, archaea

Question 24

Bright-field microscope

Answer 24

least complex microscope

Question 25

Fungi

Answer 25

Microscopic or macroscopic | Includes yeast, mold, mushrooms

Question 26

Resolution

Answer 26

ability to distinguish two side by side objects as seperate

Question 27

Media

Answer 27

nutrient mixture that contains all the nutrients needed for a MO to grow. - solid (agar) - liquid (broth)

Question 28

Similarity between prokaryotic cell and eukaryotic

Answer 28

``` Cell wall Ribosomes Chromosomes Cytoplasmic membrane Cytoplasm ```

Question 29

Protozoa

Answer 29

Single celled organism with animal like behavior organelles have the function of organs and tissues

Question 30

Viruses

Answer 30

Acellular organisms incapable of independent metabolism Reproduces only in a living cell - human, plant , animal, bacteria Single type of genetic material, surrounded by a protein coat.

Question 31

Microorganisms

Answer 31

Life forms that are too small for the naked eye

Question 32

Scanning electron microscope

Answer 32

Provide hiRes 3D image of the surface of a cell only

Question 33

Culture

Answer 33

A collection of microbial cells that have been grown in or on a medium

Question 34

First person to observe cells under a microscope

Answer 34

Robert Hooke

Question 35

Objective lens

Answer 35

Nose pieces; multiple lenses that provide different magnifications

Question 36

Media

Answer 36

Mustering mixture that contains all the nutrients required for a microorganism to grow. Solid (agar) Liquid (broth)

Question 37

Virulent

Answer 37

Has a higher rate of potentially causing disease One MO can be more virulent than another

Question 38

Normal flora

Answer 38

MO found on a healthy human body. Non threatening MOs

Question 39

Colony

Answer 39

a visible growth of bacteria or fungal cells on agar originally arising from one single cell

Question 40

Algae

Answer 40

Photosynthetic microorganism unrelated to each other unicellular and microscopic multicellular and macroscopic

Question 41

Staining

Answer 41

Increase the contrast of the specimen against its background

Question 42

Microbiology

Answer 42

Study of microorganism a and their functions