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WorksheetsMetabolism Microbiology
Total questions: 52
Worksheet time: 1hrs 18mins
Where does glycolysis take place in a prokaryotic cell?
Mitochondria
Cytosol
Cell Membrane
Mitochondrial Matrix
Where in a eukaryotic cell does the Citric Acid Cycle (Krebs Cycle) take place?
Cytosol
Inner Mitochondrial Membrane
Cell Membrane
Mitochondrial Matrix
Where in a eukaryotic cell does the the Electron Transport Chain take place?
Cytoplasm
Cell Membrane
Inner Mitochondrial Membrane
Mitochondrial Matrix
In cellular respiration, which process is the largest contributor to the release of CO2 ?
Citric Acid Cycle or Krebs Cycle
Oxidative decarboxylation
Glycolysis
Oxidative Phosphorylation
The final electron acceptor in electron transport chain is
NAD+
FAD
Oxygen
Water
Transport electrons to the electron transport chain
bring oxygen to the electron transport chain
supply carbon dioxide for the electron transport chain
Pump positive hydrogen ions across the membrane
The inner membrane of mitochondria is highly folded. What is the advantage of this folding?
It increases the amount of light absorbed by the organelle.
It increases the structural support of the organelle.
It increases the surface area, allowing greater ATP production.
It increases the surface area and the rate of glucose production.
If yeast cells are added to a solution of sugar and water. What gas (produced by the reaction of the yeast with sugar) is causing the balloons to inflate?
oxygen
nitrogen
carbon dioxide
carbon monoxide
The purpose of cellular respiration is to
make water.
make ATP.
make glucose.
make oxygen.
Which of these is a product of photosynthesis and a starting material for cellular respiration?
Glucose
Carbon Dioxide
Sunlight
Water
What products are produced from photosynthesis?
Oxygen and glucose
Carbon dioxide and ATP
oxygen and carbon dioxide
Glucose and Carbon dioxide
Adenosine Triphosphate
adenine thymine phosphate
adenosine triprotein
Ants Thinking about Pasta
What are the products of glycolysis?
Pyruvate, NADH, and ATP
NAD, Oxygen, and ATP
Carbon Dioxide, Water, ATP
NAD, ATP, Pyruvate
What is the main outcome of the Citric Acid cycle?
To complete the breakdown of glucose
To generate a proton gradient and synthesize ATP
To split a glucose molecule in half and synthesize NADH
______________ produces the most ATP.
Citric Acid Cycle
Aerobic Cellular Respiration
Anaerobic Cellular Respiration
Glycolysis
What is the net gain of ATP when one molecule of glucose goes through glycolysis?
6
2
4
1
In the breakdown of glucose, what pathway comes directly after glycolysis if oxygen is present
Citric Acid Cycle
Electron Transport Chain
Oxidative decarboxylation
Lactic Acid Fermentation
Neutralization reaction
fermentation reaction
Redox Reaction
Phosphorylation reaction
The breakdown of larger organic molecules into smaller molecules is
anabolism
catabolism
endergonic
always aerobic
Energy is released (select all that apply)
in anabolic reactions
in catabolic reactions
when bonds between phosphates are broken
when glucose molecules are formed in photosynthesis
In cellular respiration (select all that apply)
electrons are released when chemical bonds are broken
carbon fixation happens
the cell stores energy in the form of ATP
chloroplasts absorb energy
Oxidative Decarboxylation
produces 2 ATP through oxidative phosphorylation
oxidizes glucose to pyruvic acid
converts pyruvic acid to acetyl CoA
oxidizes pyruvic acid to lactic acid and carbon dioxide
The mechanism that generates ATP during the Citric Acid/Krebs Cycle is
oxidative phosphorylation
substrate level phosphorylation
photophosphorylation
carbon fixation
In the electron transport chain, molecules in the membrane pass electrons in redox reactions and ______ are/is pumped across the membrane.
oxygen
carbon dioxide
protons (H+)
water
During chemiosmosis protons get to the other side of the membrane by
getting phosphorylated
flowing through ATP synthase
binding to oxygen
binding to electron carriers
A catabolic reaction (select all that apply)
releases energy
is endergonic
is exergonic
is at a higher energy state at the end of the reaction than at the beginning
Redox reactions involve the exchange of
glucose
electrons
Hydrogen atoms
oxygen
An anabolic reaction
releases energy
is endergonic
is exergonic
creates energy
Glycolysis is a(n) _____ reaction (select all that apply)
endergonic
exergonic
catabolic
anabolic
What process generates the most ATP?
anaerobic cellular respiration
fermentation
aerobic cellular respiration
photosynthesis
At the very end of the electron transport chain chemiosmosis allows H+ protons to flow to the other side of the membrane and bind to _____ to form ____
oxygen to form water
oxygen to form lactic acid
carbon to form ethanol
carbon to form water
In fermentation much of the energy that was in chemical bonds of glucose
remains in organic endproducts
is passed to oxygen
is completely oxidized
generates ATP via photophosphorylation
During photosynthesis, ATP is made
in the Calvin cycle (light independent reactions)
in the light-dependent reactions
via substrate level phosphorylation
via oxidative phosphorylation
During which steps of photosynthesis does carbon fixation occur?
glycolysis
light-dependent reactions
light-independent reactions (Calvin Cycle)
the electron transport chain
The first step in breaking down glucose through cellular respiration or fermentation is
oxidative decarboxylation
phosphorylation
Light independent reactions
glycolysis
During the citric acid cycle (Krebs cycle) ATP is made
via photo-phosphorylation
by susbtrate level phosphorylation
by oxidative phosphorylation
by oxidative decarboxylation
When ATP is made during glycolysis
energy is captured by chlorophyll
a phosphate is added to ADP
chemiosmosis generates ATP
electrons are passed in an electron transport chain
In a prokaryotic cell the electron transport chain happens
on the inner mitochondrial membrane
in the cytoplasm
on the plasma membrane
in the mitochondrial matrix
In oxidative decarboxylation (select all that apply)
pyruvic acid is oxidized
a carbon is released as carbon dioxide
ATP is generated
pyruvic acid is phosphorylated
The type of organic endproduct(s) that is produced in fermentation is dependent upon (select all that apply)
how much DNA is present
the microbe that is doing the fermentation
how much oxygen is present
the substrate that is present (what sugar is being broken down)
If glucose is broken down by fermentation then (select all that apply)
glucose is fully oxidized
the only ATP that is made is in glycolysis
oxygen is essential
oxygen is the final electron acceptor
