Microbiology Exam 1

Front 1

The first disease proven to be bacterial in origin was

Back 1

anthrax

Front 2

Which of the following is an incorrectly pairing

Back 2

protozoa / multicellular

Front 3

pasture made all of the following observation Concerning the fermentation of grape juice except

Back 3

pasteurization kills yeast to percent spoilage of grape juice

Front 4

Which of the following scientists was the first to develop a taxonomic system for a classifying organisms.

Back 4

linnaeus

Front 5

All of the following are characteristics of the protozoa except

Back 5

They are the microbes without a nucleus

Front 6

proteins that promote chemical reaction in the cell are called

Back 6

enzymes

Front 7

All of the following are aspects of Pasteurs experience to disprove spontaneous generation

Back 7

The swan necked flasks he used were sealed with rocks

Front 8

saccharomyces cerevisiae is an example if which of the following types if microbes

Back 8

fungi

Front 9

All of the following are questions that were asked by researchers in the modern age of microbiology except

Back 9

What's cause disease

Front 10

All of the following are characteristics of viruses except

Back 10

They are visible with the light microscopes

Front 11

The study of the body defenses against pathogens is called

Back 11

immunology

Front 12

All of the following are true of fungi except

Back 12

fungi are photosynthetic

Front 13

The microbial formation. of alcohol from sugar is known as

Back 13

fermentation

Front 14

In his experiment on fermentation Louis pasteur showed that bacteria cause wine to spoil by producing acid from grape juice

Back 14

true

Front 15

fermentation can occur in the absence of cells

Back 15

true

Front 16

an atom is electrically neutral when

Back 16

The number of electrons equals the number of protons

Front 17

Which of the following interacts in chemical reaction

Back 17

electrons

Front 18

The valence of an atom represents

Back 18

It's ability to interact with other atoms

Front 19

Which of the following is an incorrect pairing

Back 19

hydrolysis: hydrogen bonds

Front 20

All of the following is properties of water except

Back 20

covalent bonds firm the connection between water molecules

Front 21

The reverse of dehydration synthesis reaction is an reaction

Back 21

hydrolytic

Front 22

Which ph would be alkaline

Back 22

8.0

Front 23

The microbes common known as ----- are single celled eukaryotic that generally motile

Back 23

protozoa

Front 24

Which if the following statements about algae is false

Back 24

They are important in degeneration if dead plants and animals

Front 25

Which of the following scientists provided evidence in favor of the concept of spontaneous generation

Back 25

Needham

Front 26

Which of the following statement concerning Koch postulate is false

Back 26

a suspected pathogen must be found in the majority of individuals with particular disease

Front 27

Which of the following questions largely stimulated the research if microbes during what is known as the Golden Age of Microbiology

Back 27

What cause disease and is spontaneous generation of microbes posisible

Front 28

The microbial activity of -___ is responsible for the production of various foods

Back 28

Both fungi and bacteria

Front 29

Which is not a characteristic of a viruses

Back 29

They are obligatory

Front 30

inserting a gene from the hepatitis b virus I to yeast so that the yeast produces a viral protein is an example of

Back 30

genetic engineering

Front 31

Which of the following was not a aseptic if pasteur experiment to disprove spontaneous generation

Back 31

The neck of a flasks he used was bent into a s shape

Front 32

Which of the following is not a observation pasteur made concerning the fermentation of grape juice

Back 32

pasteurization kills yeast to prevent spoilage of grape juice.

Front 33

Robert Koch was involved in research on all of the following topics EXCEPT

Back 33

The cause of fermentation

Front 34

which of the following is incorrect pairing

Back 34

protozoa: multicellular

Front 35

Who discovered penicillin?

Back 35

fleming

Front 36

the study of blood components that fight infections

Back 36

serology

Front 37

the study of the occurrence distribution and spread of disease

Back 37

Epidemiology

Front 38

the use of microbes in the manufacture of useful products

Back 38

biotechnology

Front 39

which of the following is a particle that is found in the nucleus of an atom and has no electrical charge.

Back 39

neutron

Front 40

an atom is electrically neutral when

Back 40

the number of electrons equal the number of protons

Front 41

which part of the atom interact in a chemical reaction.

Back 41

electrons

Front 42

the valence of an atom represents

Back 42

its ability to interact with other atoms

Front 43

the types of bond produced when atoms with significantly different electronegativities share electrons is

Back 43

a polar covalent bond

Front 44

which of the following is an incorrect pairing

Back 44

hydrolysis: hydrogen bonds

Front 45

an acid dissociates in water to release

Back 45

both anions and hydrogen ions

Front 46

the reverse of a dehydration synthesis reaction is ---- reaction

Back 46

hydrolytic

Front 47

which is NOT a characteristic of the following phospholipids

Back 47

they contain fatty acids that associate with water

Front 48

which of the following is an example of a polysaccharide

Back 48

glycogen

Front 49

which of the following is NOT found in proteins

Back 49

disulfide

Front 50

all of the following bases are found in RNA molecules EXCEPTS

Back 50

thymines

Front 51

Which of the following statement concerning nucleic acids is FALSE

Back 51

The nucleic acid polymer is composed of peptide bonds

Front 52

which of the following is NOT found in proteins

Back 52

disulfides bridges

Front 53

all of the following bases are found in RNA molecules EXCEPT

Back 53

Thymine

Front 54

which of the following statement concerning nucleic acids is FALSE

Back 54

The nucleci acid polymer is composed of peptide bonds.

Front 55

all of the following are classified as macronmolecule EXCEPTS

Back 55

amino acids

Front 56

hydrogen bonds are stronger then convalent bonds

Back 56

false

Front 57

which of the following statement concerning the characteristics of life at all times

Back 57

reproduction is define as an increase in the size of an organism

Front 58

short, hairlike structure used only by eukaryotic cells for movement are called

Back 58

cilia

Front 59

A bacterial cell moving toward light would be an example of

Back 59

positive phototaxis

Front 60

which of the following statements concerning pili Is FALSE

Back 60

pili are longer than fimbriae and flagella

Front 61

which of the following of is NOT a component of bacterial cell walls

Back 61

Tubulin

Front 62

Bacteria of the genus Mycoplasma are distinguished from other bacterial cell by

Back 62

the absence of a cell wall

Front 63

Lipid-souble molecules would be expected to cross the cytoplasmic membrance by which of the following processes.

Back 63

diffusion

Front 64

ATP is expended in which of the following processes

Back 64

active transport and group transport

Front 65

which of the following is classified as a membranous organelle of eukaryotic cells

Back 65

endoplasmic reticulum

Front 66

which of the following is NOT associated with the nucleus of eukaryotic cells

Back 66

cristae

Front 67

which of the following organelles is responsible for producing most of the ATP in the eukaryotic cell

Back 67

mitchochondrion power house

Front 68

which of the following statement concerning the endosymbiotic theory is FALSE

Back 68

eukaryotes were formed from the union of small anaerobic cell by large aerobic cells

Front 69

which of the following molecules would be expected to cross the cytoplasmc membrance rapidly and without the use of transport problems

Back 69

both ions and hydrophilic molecules

Front 70

contains teichoic acid

Back 70

gram positive bacteria

Front 71

anabolic reaction may be characterized as

Back 71

forming large molecules from smaller molecules

Front 72

sulfanilamide is an antimicrobial drug that mimics the shape of an important substrate for a particular bacterial enzymes there by inhibiting the enzyme. this type of inhibition is know as

Back 72

competitive inhibition

Front 73

which of the following statements is true concerning glycolysis

Back 73

it both requires the input of ATP and produces ATP

Front 74

carbon dioxide is a by product of which of the following

Back 74

the Krebs cycle

Front 75

which of the following can be the final electron receptor in anaerobic respiration in bacteria

Back 75

both nitrate and sulfate

Front 76

all of the following is associated with chemiosmosis EXCEPT

Back 76

beta oxidation

Front 77

type of chlorophyll differ in

Back 77

the wavelength of light they asorb

Front 78

all of the following aspects of a cell ability to regulate its metabolism except

Back 78

use the same coenzymes for anabolic and catabolic reaction that share substrate molecules

Front 79

which of the following is a true statement concerning the structure and function od enzymes

Back 79

after an enzyme has catalyzed a reation it resumes its original shape and can interact with a new substrate molecules

Front 80

in which of the following stages of glycolysis is ATP made

Back 80

Energy conserving stage

Front 81

where is the most ATP generated for eukaryotic cells

Back 81

in the mitochondrial matrix

Front 82

contain tetrapeptides

Back 82

both gram positive and gram negative bacteria

Front 83

contain a periplasmic space

Back 83

gram negative bacteria

Front 84

contain an outer membrance

Back 84

gram negative bacteria

Front 85

contains lipids

Back 85

gram positive bacteria

Front 86

carbohydrate are composed of carbon hydrogen and oxygen

Back 86

true

Front 87

Denaturation of proteins is always permanent

Back 87

false

Front 88

when a noncompetitive inhibitor molecule binds to an -------- on an enzyme the shape of the active site changes so that substrate molecule can no longer bind

Back 88

allosteric site

Front 89

laboratory fermentation tests often includes a ph indicator because many bacteria produce ------ a they ferment carbohydrates

Back 89

acids

Front 90

Enzymes increase the rate of reaction by lowering the

Back 90

activation energy

Front 91

which of the following is not a characteristic of protozoa

Back 91

they frequently posses cilia or flagella

Front 92

the production of human blood clotting factors by E coil is an example of bioremediation

Back 92

false

Front 93

gene therapy is a modern approach to preventing infectious disease

Back 93

true

Front 94

fermentation can occur in the absence of living cells

Back 94

true

Front 95

an atom of carbon that has six protons and seven neutrons is an example of an

Back 95

isotope

Front 96

which of the following is not a characteristic of saturated fats

Back 96

they are a form of stored energy

Front 97

organisms use carbohydrates in all of the following way EXCEPT

Back 97

as a long term energy source

Front 98

which of the following statement about proteins is FALSE

Back 98

they can be hydrophobic hydophillic or both

Front 99

hydrogen bond are found in al of the following EXCEPT

Back 99

between the R group of amino acids in proteins

Front 100

All of the following bases are found in RNA molecules EXCEPT

Back 100

Thymine

Front 101

which of the following statement concerning nucleci acid is FALSE

Back 101

not all DNA is double stranded

Front 102

using a microscope you observes an amoeba moving towards a food source. this is an example of

Back 102

responsiveness

Front 103

hydrogen bonds are stronger than covalent bonds

Back 103

FALSE

Front 104

one of the products of dehydration synthesis reaction is water

Back 104

TRUE

Front 105

bacterial pili can be described as

Back 105

composed of pilin

Front 106

short hairlike structures used only by eukaryotic cells for movements are called

Back 106

cilia