Exam 1 Research

Question 0

Sarcodines are Protozoa, which move through the use of?

Answer 0

pseudopodia

Question 1

Which of the following is a correct description of prokaryotes?

Answer 1

a- Unicellular
b- Divide by binary fission
c- Many use flagella to move
d- Some have a cell wall made of peptidoglycan

Question 2

In general most prokaryotes are smaller than eukaryotes? True or False

Answer 2

True

Question 3

Which is not correct description archaea?

Answer 3

Most are multicellular

Question 4

Which of the following are eukaryotes?

Answer 4

Algae and Protozoa

Question 5

Antoni Van Leewenhoek was the first person in history to?

Answer 5

View Protozoa and bacteria

Question 6

All of the following are characteristics of fungi except:

Answer 6

They are made of prokaryotic cells

Question 7

All of the following are associated with algae except:

Answer 7

They are important in the degradation of dead plants/animals.

Question 8

Gram(-) cells have periplasm consisting of all the following except for:

Answer 8

Flagella

Question 9

All bacteria have a cell wall: True or False

Answer 9

False

Question 10

Lysozyme is an antibiotic compound that destroys the bacterial cell wall by:

Answer 10

Degrading the bond between NAM & NAG

Question 11

Which of the following is true concerning the glycocalyx of bacteria?

Answer 11

It serves as a function of adherence and protection

Question 12

Small circular pieces of DNA that exist in prokaryotes providing benefits such as protection against antibiotic are called:

Answer 12

Plasmids

Question 13

Which of the following will use the H2S as energy source?

Answer 13

Chemolithoautotroph

Question 14

The process of using the brief heat treatment to reduce the number of disease causing organisms is referred to as

Answer 14

Pasteurization

Question 15

All of the following are aspects of Pasteur’s experiments to disprove spontaneous generation except:

Answer 15

The flasks he used were sealed with corks

Question 16

Which of the following is an incorrect pairing

Answer 16

Protozoa: multicellular

Question 17

Which of the following term is Not a component of bacterial flagella?

Answer 17

Tubulin

Question 18

Ribosome?

Answer 18

Site of protein synthesis

Question 19

Gas vesicle

Answer 19

Provides buoyancy for cell

Question 20

Flagella

Answer 20

Utilized for cell movement

Question 21

Peroxisome

Answer 21

Where hydrogen peroxide is broken down

Question 22

Lysosomes

Answer 22

Site of protein degradation

Question 23

Smooth ER

Answer 23

Where sex hormones are made

Question 24

Rough ER

Answer 24

Secreted proteins begin to be folded or modified here

Question 25

Mitochondria

Answer 25

Where the most ATP is made in eukaryotes

Question 26

Chloroplast

Answer 26

Site of photosynthesis in eukaryotes

Question 27

Nucleolus

Answer 27

Site of rRNA synthesis

Question 28

Endospores

Answer 28

Dormant cells produced by sporulation

Question 29

Which would likely grow well at 25*C and be involve in spoilage of food products?

Answer 29

Psychrotrophs

Question 30

Which of the bacterial cell structure plays role in creation of biofilms

Answer 30

Fimbriae and Glycocalyx

Question 31

Small lipid soluble molecule would be expected to cross cytoplasmic membrane by which process?

Answer 31

Diffusion

Question 32

Which would likely grow at 37*C and cause human disease

Answer 32

Mesophiles

Question 33

Media designed to promote growth of certain bacteria while at the shame time inhibiting growth of other forms?

Answer 33

Selective

Question 34

Unlike desinfectant, antiseptic

Answer 34

Is nontoxic enough to be used on human tissue

Question 35

The accumulation of glucose inside bacteria cell via phosphorylation of the molecule is an example of:

Answer 35

Group translocation

Question 36

The D value is define as the time it takes to kill

Answer 36

90% of bacteria population

Question 37

Which enzymes are utilized to fight the destruction effects of O2?

Answer 37

Catalase/ superoxide dismutase

Question 38

Mercurochrome

Answer 38

Binds to S groups thus preventing proteins from folding

Question 39

Ethylene oxide

Answer 39

Gaseous agent used to sterilize pillows

Question 40

Halogens

Answer 40

Chlorine or iodine

Question 41

Quads

Answer 41

+ charged detergent used to clean food preparation surfaces

Question 42

At temperatures higher that the maximum growth temperature for an organism:

Answer 42

Proteins are permanently denatured, membranes become too fluid for proper function, and hydrogen bonds within molecules are broken.

Question 43

All prokaryotes have circular genes, while all eukaryotes have lineR genomes: True or False

Answer 43

False

Question 44

During which growth phase are bacteria more susceptible to antimicrobial drugs?

Answer 44

Log phase

Question 45

The term Sterilization applies to the removal of all the following except:

Answer 45

Prions

Question 46

Which of the following is not bacteriostatic?

Answer 46

Autoclaving

Question 47

Which of the following would be used to sterilize a mattress

Answer 47

Ethylene oxide

Question 48

Some cells use pseudopodia primarily during the process of?

Answer 48

Endocytosis

Question 49

The presence of lipopolysaccharides and poring proteins are indicative of which kind of bacteria

Answer 49

Gram (-)