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MICR 231 Exam 2 Exam Review

Total questions: 74

Worksheet time: 55mins

Name
Class
Date
1.

Song requests? Please list some bangers <3

4 lines
2.

Question 1

a)

Cholesterol

b)

Ergosterol

3.

Question 2:

a)

Phototropism

b)

Osmoregulation

c)

Chemotaxis

d)

Cytokinesis

4.

Question 3:

a)

They allow bacterial movement by rotating

b)

They are exclusive to Gram-positive bacteria

c)

They are composed of carbohydrates

d)

They assist in nutrient uptake

5.

Question 4:

a)
Endosome
b)

Phagosome

c)

Lysosome

d)

Mesosome

6.

Question 5:

a)

Exocytosis

b)

Osmosis

c)

Endocytosis

d)

Pinocytosis

e)

Binary fission

7.

Question 6:

a)

Smooth ER

b)

Mitochondria

c)

Cytoplasm

d)

All of the above

e)

B and C

8.

Question 7:

a)

Glycolysis

b)

Glycocalyx

c)

Glycolipid

d)

Glucose

9.

Question 8:

a)

Facilitated diffusion occurs in prokaryotes only

b)

Facilitated diffusion requires ATP to move molecules

c)

Facilitated diffusion requires transport proteins

d)

Facilitated diffusion occurs at the same rate regardless of membrane conditions

10.

Question 9:

a)

phospholipids

b)

histone proteins

c)

EPS

d)

endospores

11.

Question 10:

a)

microtubules

b)

actin filaments

c)

intermediate filaments

d)

all of the above are apart of the cytoskeleton

e)

none of the above

12.

Question 11:

a)

Lysosome

b)

Golgi apparatus

c)

Mitochondrion

d)

Smooth endoplasmic reticulum

13.

Question 12:

a)

Ergosterol

b)

Chitin

c)

Dipicolinic acid

d)

Mycolic acid

14.

Question 13:

a)

Botulinum

b)

chlostridium

c)

endotoxin

d)

A botox

15.

Question 14:

a)

70S Ribosomes

b)

80S Ribosomes

c)

50S Ribosomes

d)

30S Ribosomes

e)

40S Ribosomes

16.

Question 15:

a)

Presence of 70S ribosomes

b)

Absence of a nuclear membrane

c)

Presence of membrane-bound organelles

d)

Presence of peptidoglycan cell walls

17.

Question 16:

a)

chitin

b)

beta-glucans

c)

cholesterol

d)

ergosterol

18.

Question 17:

a)

Osmosis

b)

Active transport

c)

Facilitated diffusion

d)

Passive diffusion

e)

Ion channel diffusion

19.

Question 18:

a)

Endospore

b)

Gas vesicle

c)

Capsule

d)

Biofilm

20.

Question 19:

a)

Lysosome

b)

Smooth endoplasmic reticulum

c)

Rough endoplasmic reticulum

d)

Golgi apparatus

21.

Question 20:

a)

Monotrichous

b)

Amphitrichous

c)

Lophotrichous

d)

Peritrichous

22.

Question 21:

a)

prokaryotic flagella are used for cooling the cell; whereas eukaryotic flagella are involved in heating the cell.

b)

eukaryotic flagella are used to prevent cell motility, whereas prokaryotic flagella are not involved in cell motility.

c)

prokaryotic flagella are composed entirely of phospholipids, whereas eukaryotic flagella are composed entirely of protein.

d)

prokaryotic flagella are the subunits making up the glycocalyx; eukaryotic flagella are the subunits of eukaryotic cell walls.

e)

prokaryotic flagella are semirigid, helical motors which rotate; whereas eukaryotic flagella undulate in a wavelike motion

23.

Question 22:

a)

Cholesterol

b)

Lipopolysaccharides

c)

Beta Glucans

d)

Chitin

e)

Ergosterol

24.

Question 23:

a)

Slime layer

b)

Cilia

c)

Flagella

d)

Fimbriae

e)

Capsule

25.

Question 24:

a)

Fungi

b)

Flagellum

c)

Bacteria

d)

None of the above

26.

Question 25:

a)

Cells that produce capsules

b)

Cells deep inside a biofilm

c)

Cells that lack EPS

d)

Cells with glycocalyx structures

27.

Question 26:

a)

Mitochondria & Golgi Apparatus

b)

Nucleus & Mitochondria

c)

Nucleus & Lysosomes

d)

Mitochondria & Smooth Endoplasmic Reticulum

28.

Question 27:

a)
ether, fatty acid
b)
ether, non-fatty acid
c)

ester, fatty acid

d)

ester, non-fatty acid

29.

Question 28:

a)

5 minutes

b)

30 minutes

c)

2 hours

d)

36 hours

e)

24 hours

30.

Question 29:

a)

nucleus and cell membrane

b)

mitochondria and chloroplasts

c)

cell wall and chloroplasts

d)

mitochondria and nucleus

31.

Question 30:

a)

substrate-level phosphorylation

b)

the homolactic fermentation

c)

the alcoholic fermentation

d)

transmission electron microscope

e)

oxidative phosphorylation

32.

Question 31:

a)

is covalently closed

b)

It is circular

c)

it is composed entirely of RNA

d)

It is a DNA molecule

e)

It is not associated with histone proteins

33.

Question 32:

a)

Cell wall → Glycocalyx → Cell membrane → Ribosome

b)

Glycocalyx → Cell wall → Cell membrane → Ribosome

c)

Cell membrane → Cell wall → Glycocalyx → Ribosome

d)

Glycocalyx → Cell membrane → Cell wall → Ribosome

34.

Question 33:

a)

Methanogens

b)

Thermoacidophile

c)

Extreme Halophiles

d)

Extreme Thermophiles

35.

Question 34:

a)

A gram-positive diplococcus

b)

A gram-negative diplococcus

c)

A gram-negative spirochete

d)

A herpes virus

e)

An endospore-forming rod

36.

Question 35:

a)

70S ribosomes

b)

A double-stranded DNA molecule

c)

cell wall

d)

peptidoglycan

e)

none of the above

37.

Question 36:

a)

bacillus

b)

vibrio

c)

cocci

d)

clostridium

38.

Question 37:

a)

methanogens

b)
cyanobacteria
c)

algae

d)

rickettsia

39.

Question 38:

a)

It is a mechanism used by bacteria to produce toxins

b)

It allows bacteria to detect and respond to population density

c)

It refers to bacterial movement toward light

d)

It describes nutrient absorption in biofilms

40.

Question 39:

a)

Nucleoid

b)

Capsule

c)

Nucleus

d)

Lysosome

41.

Question 40:

a)

volcanos

b)

some gastrointestinal tracts

c)

salt flats

d)

cyanobacteria

42.

Question 41:

a)

attached in larger numbers

b)

help cell adhere to surfaces

c)

shorter than pili

d)

conjugation uses

43.

Question 42:

a)

water

b)

gases

c)

ions

d)

low molecular weight, uncharged species

44.

Question 43:

a)

lysosomes

b)

mitochondria

c)

nucleus

d)

cytoskeleton

45.

Question 44:

a)

Cell wall

b)

Capsule

c)

Plasma membrane

d)

Nucleoid

46.

Question 45:

a)

prevent pinocytosis

b)

be taken up by the cell

c)

damage the cytoplasmic membrane.

d)

cause the cell to form pseudopods.

e)

damage the receptor.

47.

Question 46:

a)

Cilia

b)

Fimbriae

c)

Endospores

d)

Gas Vesicles

48.

Question 47:

a)

Not enough info given

b)

It depends on what infection organisms are inhabiting the human

c)

Yes

d)

No

49.

Question 48:

a)

Hemagglutinin

b)

ACE2 (Angiotensin-converting enzyme 2)

c)

CD4 receptor

d)

Interferon

50.

Question 49:

a)

They are more active metabolically than vegetative (growing) cells.

b)

They are formed on the outside of the parent cell during sporogenesis

c)

They have very high water content.

d)

They are less active metabolically than vegetative (growing) cells.

e)

At least five endospores form within each parent cell.

51.

Question 50:

a)

not real

b)

inhibitors of reactions

c)

not made of proteins

d)

a catalyst

52.

Question 51:

a)

antitoxin

b)

antibiotics

c)

bactericidal drugs

d)

botox

53.

Question 52:

a)

Increase the activation energy required for a reaction

b)

Speed up chemical reactions without being consumed.

c)

Transport nutrients across membranes

d)

Break down viral particles

54.

Question 53:

a)

Monosaccharides

b)

Amino acids

c)

Fatty acids

d)

Nucleotides

55.

Question 54:

a)

Constitutive enzymes

b)

Inducible enzymes

56.

Question 55:

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

57.

Question 56:

a)

type of virus made of RNA that causes rapid infections in animals

b)

A misfolded protein that can cause other proteins to change shape and leads to slow, degenerative diseases in the brain

c)

A single-celled organism made of DNA that infects bacteria

d)

A normal protein in the body that helps fight infections in the immune system

58.

Question 57:

a)

Imatinib (Gleevec)

b)

Ergosterol

c)

Peptidoglycan

d)

Chitin

59.

Question 58:

a)

Copying DNA into RNA

b)

Forming the cell membrane

c)

Synthesizing proteins from RNA templates

d)

Degrading carbohydrates

60.

Question 59:

a)

binds to the active site

b)

attaches to the allosteric site

c)

increases enzyme functions

d)

no effect on the enzyme and its activity

61.

Question 60:

a)

Penicillin

b)

Rifampin

c)

Sulfanilamide

d)

Tetracycline

62.

Question 61:

a)

cofactor and substrate

b)

active site and substrate

c)

allosteric site and competitive inhibitor

d)

coenzyme and enzyme

63.

Question 62:

a)

Lipase

b)

Apoenzyme

c)

Cofactor

d)

Holoenzyme

64.

Question 63

a)

feedback inhibition

b)

allosteric regulation

c)
end-product inhibition
d)

enzyme repression

65.

Question 64:

a)

Slightly increasing the enzyme’s substrate concentration

b)

Maintaining the enzyme at optimal pH

c)

Heating the enzyme to 100°C

d)

Increasing the frequency of enzyme-substrate collisions

66.

Question 65:

a)

Holoenzyme

b)

Coenzyme

c)

Enzyme-substrate complex

d)

Allosteric enzyme

67.

Question 66:

a)

Cofactor

b)

Competitive inhibitor

c)

Enzyme Poison

d)

Coenzyme

68.

Question 67:

a)

It accelerates the first step of the pathway

b)

it binds to and inhibits an earlier enzyme in the pathway

c)

It converts into a secondary energy source

d)

It stimulates enzyme production

69.

Question 68:

a)

allosteric, active

b)

allosteric, allosteric

c)

active, active

d)

active, allosteric

70.

Question 69:

a)

It binds to the active site, preventing substrate binding.

b)

It binds to the enzyme’s cofactor, deactivating the enzyme.

c)

It oxidizes sulfhydryl groups on cysteine residues, disrupting enzyme structure.

d)

It mimics ATP and disrupts cellular respiration.

71.

Question 70:

a)
cofactors
b)

substrates

c)

coenzymes

d)

metallic ions

72.

Question 71:

a)

Cofactors are never made of protein

b)

Some cofactors are organic, others are inorganic

c)

Cofactors are always smaller than the enzyme

d)

Cofactors are identical to enzyme substrates

73.

Question 72:

a)

cyclic

b)

linear

c)

branched

d)

all of the above

e)

some of the above

74.

After reviewing for exam, how prepared do you feel for it?

a)

Absolutely COOKED

b)

Need to study more

c)

About to EAT

d)

Yeah, I am going to do okay

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