Micro

Front 1

Salting of meat to prevent spoilage by microoranisms produces surface conditions for these cells best described as

Back 1

Hypertonic

Front 2

The issue of spontaneous generation was finally resolved by

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Pasteur

Front 3

Facilitated diffusion requires

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Permeases

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Bacterial microcompartments are made of

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proteins

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secretory proteins in procaryotes are usually translated on ribosomes that are

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membrane bound

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Bacterial microcompartments help retain

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non-polar metabolites

Front 7

Mitochondria evolved from

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Bacterial symbionts

Front 8

Virulence factors produced by Bacillus Anthrasis are coded for by

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Plasmids

Front 9

Botulism in babies is occasionally caused by injestion of

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honey

Front 10

Cells suspended in hypertonic solutions undergo

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plasmolysis

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Bacteria with a flagellum at one end is called

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monotrichous

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which requires no energy?

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facilitated diffusion

Front 13

Which require energy

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Antiport, active transport, symport

Front 14

Mitochondria branch from the tree in the line that gives rise to

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Bacteria

Front 15

The phylogenertic tree of life has how many major groups of organisms

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3

Front 16

The spore coat consists of

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protein

Front 17

Procaryotic mRNA differs from eucaryotic in that it is

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polyinformational

Front 18

Procaryotic DNA is

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circular

Front 19

A major advantage for pathogenic bacteria

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capsules

Front 20

Archae derive from

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eukaryotic organisms

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Autophagic vacuoles derive from

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ER

Front 22

Ubiquitin aids in

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Protein Degradation

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Dephosphorylation of Che Y indicates

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MCP binding

Front 24

Dipeptide binding to procaryotic chemoreceptors causes

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a run

Front 25

Microtubules are the main component in ths structure

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axonemes

Front 26

Spore cortex is composed of

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peptidoglycan

Front 27

An organism that grows only at oxygen levels less than 10% is called a

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Microaerophile

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Using organic molecules as the final electron acceptor is called

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fermentation

Front 29

Bacterial growth curve areas where there is a maximum increase in colony forming units is the

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log phase

Front 30

Sugars for nucleic acid synthesis are provided by

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Pentose phosphate pathway

Front 31

Superoxide dismutase produces

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O2

Front 32

Singlet oxygen and hydrogen peroxide are strong

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Oxidizing agents

Front 33

Pyruvate is the final electron acceptor in

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Fermentation

Front 34

What are standard autoclaving conditions

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121 C, 15 psi, 15 mins

Front 35

Catalase produces

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O2

Front 36

A dangerous component of honey is

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Clostridium

Front 37

.5 ml of a 10-5 dilution yielded 46 colonis on a plate. Calculate CFU/ml

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9.2e6

Front 38

DnaK and DnaJ bind to

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new polypeptides

Front 39

Carbon salvage in metabolism is accomplished by

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Glyoxylate Cycle

Front 40

Anaplerotic reactions in most cases produce

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glucose

Front 41

Tissue culture media has a unique requirement for

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serum

Front 42

An acidophile has a ph growth optimum of

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0-5.5

Front 43

Chemoautotrophs obtain energy by

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oxidizing inorganic compounds

Front 44

Aerobic bacteria are capable of surviving in high oxygen concentration by producing enzymes that degrade H2O2 and

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superoxide

Front 45

The Calvin Cycle has a regeneration, reductin and

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carboxylation phase

Front 46

Acetyl-CoA. if ATP levels are very high in eucaryotic cells of mammals, is converted into

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Pyruvate

Front 47

The pentose phosphate pathway produces

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7 carbon sugars, 4 carbon sugars, and reducing power

Front 48

Glycogenic compounds produced in glycolysis and the TCA cycle rob metabolic processes of

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Carbon

Front 49

Substrate level phophorylation in glycolysis results in a net gain of

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2 ATPs

Front 50

The Glyoxylate Cycle preserves

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carbon

Front 51

Heterolactic fermentation produces

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ethanol

Front 52

Adenyl cyclase is induced by

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low levels of glucose

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high levels of cyclic AMP indicate

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lac operon stuctural gene transcription

Front 54

The PEP:PTS system begins with

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enzyme phosphorlyation

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During gene repression the active repressor binds to the

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operator

Front 56

During induction the regulator gene product is

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inactivated by inducer

Front 57

The promoter is adjacent to the

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operator

Front 58

Most bacterial pathways were constructed using

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auxotrophic mutants

Front 59

Viral mediated DNA uptake is called

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transduction

Front 60

The reaction mixture for PCR includes

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Deoxyribonucleotides, target DNA, polymerase and primer DNA

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Human papillomavirus is strongly implicated in

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cervical cancer

Front 62

Structural genes are

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downstream from the promoter

Front 63

To screen for plasmid uptake in bacteria use

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antibiotic resistance

Front 64

X-ray causes

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DNA breaks

Front 65

The 12 vertices in icosahedral viruses are composed of

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Pentons

Front 66

Hershey and Chase showed

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that DNA is the carrier of genetic info

Front 67

Hfr conjugation never results in F conversion b/c

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the cleavage site for linear DNA production is the middle of the F factor gene

Front 68

Gene induction involves

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inducer binding to repressor

Front 69

An example of lentiviruses

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HIV

Front 70

DNA fragments are analyzed using

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Southern blot

Front 71

Naked DNA uptake by cells is called

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Transformation

Front 72

Influenza virus pandemics can be partly attributed to

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segmented RNA

Front 73

UV damage to DNA results in

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Thymine dimers

Front 74

An example of latent viruses is

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chickenpox

Front 75

Extremophiles survive primarily as a result of

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chaperone proteins

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Reverse transcriptase produces

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DNA