WorksheetsChapter Ten and Eleven
Total questions: 20
Worksheet time: 8mins
What does it mean if deltaG is negative?
The reaction is endergonic.
The reaction requires an input of energy.
The reaction releases energy.
The reaction is nonspontaneous.
How many high energy bonds does ATP have?
3
2
1
All the bonds are low energy, nice try.
Which phosphorylated molecule has the highest phosphate transfer potential?
ATP
PEP
ADP
GTP
Does the reductant gain or lose electrons?
Gain
Lose
Where does the ETC take place in a eukaryotic organism?
Cytoplasm
Plasma membrane
Mitochondria
Golgi Apparatus
True or false: There can be an electron transport chain without a proton motive force.
True
False
Which statement is true?
Proteins with FAD and FMN are known as heme groups.
Cytochromes use iron to transfer electrons one at a time.
CoQ transports one electron and one proton.
NADH accepts two electrons and two protons.
True or False: The regulatory site in an allosteric enzyme is found within the active site.
True
False
The net gain of ATP from the Embden-Meyerhof pathway in prokaryotes is:
0
1
2
4
Major functions of the TCA cycle are: (could be more than one answer)
Biosynthesis of cell components
Energy production
Electron Transport
What is the carbon source for the photolithoautotroph?
Organic carbon
Carbon Dioxide
Inorganic carbon
Light
Which is not one of the three fueling reactions?
ATP as an energy currency
Precursors for biosynthesis
PEP as a phosphate transfer potential
Reducing power to supply electrons
True or False: Fermentation uses oxidative phosphorylation.
True
False
The most common pathway for conversion of glucose to pyruvate is:
Entner-Doudoroff
Embden-Meyerhof
Pentose Phosphate Pathway
Mixed acid fermentation
The synthesis of ATP from ADP and P(i), when coupled with an exergonic reaction is:
oxidative phosphorylation
substrate-level phosphorylation
chemiosmosis
electron transport chain
Feedback inhibition, covalent modification, and allosteric regulation are all examples of:
Regulation of gene expression
Posttranslational regulation
Metabolic channeling
Compartmentalization
Where do we generate the most energy in the Embden-Meyerhof pathway?
Oxidation step generates NADH
NADH is a source of the most high-energy molecules used to synthesize ATP
Reduction step generates NADH
Oxidation step generates NADPH
Which statement correctly identifies the pyruvate dehydrogenase complex?
Pyruvate is cleaved to form acetyl coA and oxygen
Pyruvate is cleaved to form ATP and oxygen
Pyruvate is cleaved to form acetyl coA and CAMP
Pyruvate is cleaved to form acetyl coA and carbon dioxide
What is the direction of electron transfer directly determined by?
Spontaneity of the reaction
Redox potential values
ATP Synthase yield
Proton motive force
True or False: Bacteria have larger P/O Ratios.
True
False
