LESSON 1: INTRODUCTION TO MICROBIOLOGY

Question 1

“Microbes, including
are the smallest creatures

Answer 1

bacteria
fungi
archaea
protist
viruses

Question 2

o “the study of small life,” where the small life refers to
microorganisms or microbes.

Answer 2

Microbiology

Question 3

are so tiny that they can only be seen with the
aid of microscopes.

Answer 3

Microorganism

Question 4

Are microscopic organisms that exist as cellular
microbes (or organisms) and the acellular microbes (or agents).

Question 5

Where one cell is the entire organism

Answer 5

Unicellular

Question 6

where numerous
number of cells can make up the entire organism.

Answer 6

multicellular

Question 7

Can be
either unicellular, where one cell is the entire organism, or multicellular, where numerous
number of cells can make up the entire organism.

Answer 7

Cellular microbes

Question 8

Cellular Category

Answer 8

Bacteria
Archaea
Fungi
Protists

Question 9

Acellular camp
need hose cells to multiply

Answer 9

Viruses
Infectious agents
Prions
Viroids

Question 10

A microorganism can either be pathogenic or non-pathogenic

Question 11

can infect and cause diseases on human, plants or animals.

Answer 11

Pathogenic Microorg

Question 12

Beneficial to the host.

Answer 12

Non-pathogenic

Question 13

Is a population
of microorganisms naturally present within a healthy body.
Skin surface, within natural body cavities, in the gastrointestinal tract or reproductive tract.

Answer 13

Normal flora

Question 14

Characteristics of Microorganisms

Answer 14

1. Morphologic characteristics
2. chemical composition
3. cultural characteristics
4. Metabolic Characteristics
5. antigen characteristics
6. genetics characteristics
   7.Pathogenecity
7. Ecological characteristics

Question 15

cell shape, size (μm), and structure, special structures,

Answer 15

Morphologic Characteristics

Question 17

chemical constituents of the cells

Answer 17

Chemical composition

Question 18

Nutritional requirements and physical conditions required for
growth (temperature), and the manner in which growth occurs, type of culture
medium

Answer 18

cultural characteristics

Question 19

how cells obtain and use their energy, carry out chemical
reactions, and regulate these reaction

Answer 19

Metabolic

Question 20

distinctive chemical components (antigens) of the microorganism

Answer 20

antigenic characteristics

Question 21

Hereditary material of the cell

Answer 21

genetic characteristics

Question 22

Ability to cause a disease of microorganism

Answer 22

pathogenecity

Question 23

habitat and distribution of microorganism in nature, and
interactions between and among species in natural environment

Answer 23

Ecological characteristics

Question 23

Types of microoganism

Answer 23

1. bacteria
2. Archaea
3. Fungi
4. Protozoa
5. Algae
6. Virus
7. Multicellular Animal parasites

Question 24

also called prokaryotes (no nuclear membrane); unicellular; enclosed in cell walls rich in carbohydrates
and peptidoglycan; divides by binary fission

Answer 24

Bacteria

Question 25

also prokaryotic; cell walls lacks peptidoglycan; found in extreme
environments.

Answer 25

archaea

Question 26

Eukaryotic cell (with distinct nucleus); may be uni/multicellular.

Answer 26

fungi

Question 27

Unicellular eukaryotic; move by appendages.

Answer 27

Protozoa

Question 28

photosynthetic eukaryotes; cell walls are made of cellulose (plant
carbohydrate).

Answer 28

Algae

Question 29

acellular microorganism; made either of DNA or RNA surrounded by a protein
coat, that is sometimes further encased in a lipid membrane; need host cells to
reproduce.

Answer 29

Virus

Question 30

although not strictly microorganisms, these organisms are microscopic in some stages of their development. Also use microbiological
techniques in their diagnosis

Answer 30

Multicellular Animal Parasites