aerobic respiration when oxygen is present

fermentation when oxygen is absent

aerobic respiration when oxygen is absent

fermentation when oxygen is present

Reorder the following [* = ATP -> ADP, ** = NADP -> NADPH, *** = NAD -> NADH, ! = ADP -> ATP]

Glucose-6-P --> Gluconic Acid**

1,3-di-P-Glyceric Acid --> 3-P Glyceric Acid !

Organisms using the Entner-Duodoroff Pathway (3 of them)

Pseudomonas Rhizobium Agrobecterium

The pathways of ____ ________, biosynthesis, and _______ assembly are nearly identical in all organisms.

central metabolism macromolecule

Organisms that lack _____ use the TCA enzymes strictly for biosynthetic purposes; have 2 branches of the TCA enzymes

alpha-ketaglutarate dehydrogenase

The surface of the cell tends to be ____ charged and the inside _____ charged.

more positively, less positively

more negatively, more positively

Strategy/ies used to incorporate redox rxns in fermentation?

part of the substrate is oxidized and part is reduced

substrate is oxidized then reduced

two different substrates are used – 1 is oxidized and 1 is reduced

oxygen is oxidized and then reduced

OXIDATIVE phosphorylation [+] means rxn contributes to proton gradient

NADH dehydrogenase oxidizes NADH to NAD+ [+]

Fumarate Reductase oxidizes Succinate to Fumarate

Cytochrome b/c complex transfers electrons to Cytochrome c [+]

Cytochrome c transfers electrons to Cytochrome c Oxidase (molecular water is a product) [+]

ATP synthase pumps H ions, contributing to the proton gradient [+]

What does DNRA stand for?

Dissimilatory Nitrate Reduction to Ammonium

benefits of oxidizing e- donors in the periplasm

there is no need to transport the substrate across the membrane

it contributes to the delta-p because protons are often produced during the oxidation reactions

the phospholipid bilayer of the cell membrane becomes more impermeable

why is chemoautotrophic respiration very inefficient?

electrons enter the electron transport chain at the level of quinone or cytochrome c, few protons are pumped per pair of electrons

much of the Δp is expended on generating reductant rather than ATP.

Microbiology Chapter 7

Authored by Rolake Morakinyo

Biology

University

NGSS covered

Used 4+ times

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FILL IN THE BLANK QUESTION

30 sec • 1 pt

What does troph mean?

FILL IN THE BLANK QUESTION

30 sec • 1 pt

What uses light as its energy source?

Tags

NGSS.HS-LS2-5

NGSS.HS-LS1-5

DRAG AND DROP QUESTION

30 sec • 1 pt

Photoorganoheterotrophs (a) (b) (c)

heliobacteria

rhodobacter

some green sulfur bacteria

purple non-sulfur bacteria

some archaea

FILL IN THE BLANK QUESTION

30 sec • 1 pt

organisms that have adapted to growth in the presence of air are:

Tags

NGSS.HS-LS2-3

NGSS.HS-LS4-4

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What type of metabolism do aerobes typically do?

aerobic respiration

anoxygenic photosynthesis

fermentation

oxygenic photosynthesis

Tags

NGSS.HS-LS2-3

NGSS.HS-LS1-7

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What type of metabolism do anaerobes typically do?

fermentation

aerobic respiration

anaerobic respiration

anoxygenic photosynthesis

Tags

NGSS.HS-LS2-3

NGSS.HS-LS1-7

LABELLING QUESTION

30 sec • 1 pt

Label the following tubes with microbial growth in them.

Obligate aerobe

Facultative anaerobe

Aerotolerant

Microaerophile

Facultative anaerobe

Obligate anaerobe

Tags

NGSS.HS-LS2-3

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