Which of the following organisms are autotrophs Which of the following organisms are autotrophs? algae some bacteria plants some protozoans all of the above
Which of the following organisms are autotrophs Which of the following organisms are autotrophs? algae some bacteria plants some protozoans all of the above
A single glucose molecule can drive the Krebs cycle 1 turn 2 turns 3 turns 4 turns
A single glucose molecule can drive the Krebs cycle 1 turn 2 turns 3 turns 4 turns
During oxidative respiration, FADH2 is produced in glycolysis oxidation of pyruvate Krebs cycle Fermentation
During oxidative respiration, FADH2 is produced in glycolysis oxidation of pyruvate Krebs cycle Fermentation
_____________ is a molecule containing energy in its phosphate bonds _____________ is a molecule containing energy in its phosphate bonds. (7.3 kcal).
__ATP________ is a molecule containing energy in its phosphate bonds __ATP________ is a molecule containing energy in its phosphate bonds. (7.3 kcal).
Digestion is the process of breaking down the food we eat into microscopic particles. Which is not a type of digestion? carbohydrates – simple sugars lipids – fatty acids proteins – amino acids water – oxygen & hydrogen
Digestion is the process of breaking down the food we eat into microscopic particles. Which is not a type of digestion? carbohydrates – simple sugars lipids – fatty acids proteins – amino acids water – oxygen & hydrogen
The coenzyme electron carriers produced in the Krebs cycle are ATP and ADP Pyruvate and acetyl CoA FADH2 and NADH NAD+ and NADH
The coenzyme electron carriers produced in the Krebs cycle are ATP and ADP Pyruvate and acetyl CoA FADH2 and NADH NAD+ and NADH
Organisms that do not have the ability to make their own food are called autotrophs heterotrophs bachelors exergonic
Organisms that do not have the ability to make their own food are called autotrophs heterotrophs bachelors exergonic
Energy is harvested from glucose molecules in a series of gradual steps, using _______________ as an electron carrier.
Energy is harvested from glucose molecules in a series of gradual steps, using ____NAD+_______ as an electron carrier.
Fermentation can be described as takes place in the absence of oxygen recipient of hydrogen atoms is organic molecules water is not a by-product does NOT involve the Krebs cycle all of the above
Fermentation can be described as takes place in the absence of oxygen recipient of hydrogen atoms is organic molecules water is not a by-product does NOT involve the Krebs cycle all of the above
The oxygen used in cellular respiration ultimately ends up as CO2 ATP H2O part of a sugar
The oxygen used in cellular respiration ultimately ends up as CO2 ATP H2O part of a sugar
During what stage of cellular respiration is the most ATP synthesized During what stage of cellular respiration is the most ATP synthesized? glycolysis oxidation of pyruvate chemiosmosis Krebs cycle
During what stage of cellular respiration is the most ATP synthesized During what stage of cellular respiration is the most ATP synthesized? glycolysis oxidation of pyruvate chemiosmosis Krebs cycle
_____________________ is the first step in cellular respiration
___Glycolysis________ is the first step in cellular respiration
Chemiosmosis generation of ATP is driven by phosphate transfer through the membrane sodium/potassium pump difference in H+ conc on the two sides of the membrane osmosis and macromolecules none of the above
Chemiosmosis generation of ATP is driven by phosphate transfer through the membrane sodium/potassium pump difference in H+ conc on the two sides of the membrane osmosis and macromolecules none of the above
Yeast cells under anaerobic conditions die produce ethyl alcohol produce oxygen produce stem cells
Yeast cells under anaerobic conditions die produce ethyl alcohol produce oxygen produce stem cells
Catabolic processes make complex molecules from simpler ones break complex molecules into simpler ones occur only in autotrophs occur only in heterotrophs
Catabolic processes make complex molecules from simpler ones break complex molecules into simpler ones occur only in autotrophs occur only in heterotrophs
Because the chemical formation of ATP is driven by a diffusion force similar to osmosis, this process is referred to as _______________________
Because the chemical formation of ATP is driven by a diffusion force similar to osmosis, this process is referred to as ___chemiosmosis_______
Energy is derived from all of the following EXCEPT glycolysis Krebs cycle Electron transport chain Beta oxidation
Energy is derived from all of the following EXCEPT glycolysis Krebs cycle Electron transport chain Beta oxidation
Muscle cells, when anaerobic, produce ATP NADH pyruvate lactate
Muscle cells, when anaerobic, produce ATP NADH pyruvate lactate
What substance is remade by fermentation What substance is remade by fermentation? oxygen NAD+ acetyl CoA glucose
What substance is remade by fermentation What substance is remade by fermentation? oxygen NAD+ acetyl CoA glucose
The oxidation of pyruvate for aerobic respiration occurs in the ______________________
The oxidation of pyruvate for aerobic respiration occurs in the ____mitochondria______
A common process to all living organisms, aerobic and anaerobic is glycolysis fermentation Krebs cycle Electron transport chain
A common process to all living organisms, aerobic and anaerobic is glycolysis fermentation Krebs cycle Electron transport chain
Which of the following is NOT a product of fermentation Which of the following is NOT a product of fermentation? CO2 O2 Ethanol Lactate
Which of the following is NOT a product of fermentation Which of the following is NOT a product of fermentation? CO2 O2 Ethanol Lactate
During the electron transport chain, H+ are pumped out of the cell out of the mitochondria into the cell cytoplasm out of the mitochondrial matrix into the outer compartment of the mitochondria out of the cell cytoplasm into the matrix of the mitochondria
During the electron transport chain, H+ are pumped out of the cell out of the mitochondria into the cell cytoplasm out of the mitochondrial matrix into the outer compartment of the mitochondria out of the cell cytoplasm into the matrix of the mitochondria
In the absence of oxygen, hydrogen atoms generated by glycolysis are donated to organic molecules in a process called _______________________
In the absence of oxygen, hydrogen atoms generated by glycolysis are donated to organic molecules in a process called ___fermentation________
All of the following are end products of glycolysis EXCEPT pyruvate ATP NADH NAD+
All of the following are end products of glycolysis EXCEPT pyruvate ATP NADH NAD+
What substance is produced by the oxidation of pyruvate and feeds the Krebs cycle? glucose acetyl CoA oxygen carbon dioxide
What substance is produced by the oxidation of pyruvate and feeds the Krebs cycle? glucose acetyl CoA oxygen carbon dioxide
Which of the following organisms carries out cellular respiration Which of the following organisms carries out cellular respiration? corn plant dog yeast bacteria all of the above
Which of the following organisms carries out cellular respiration Which of the following organisms carries out cellular respiration? corn plant dog yeast bacteria all of the above
The reactions of glycolysis occur in the mitochondria cytoplasm chloroplasts nucleus
The reactions of glycolysis occur in the mitochondria cytoplasm chloroplasts nucleus
The citric acid cycle was discovered by Cedric Johann Orange Julius Hans Krebs Krebs Handel
The citric acid cycle was discovered by Cedric Johann Orange Julius Hans Krebs Krebs Handel
_____________________ must depend on energy stored in chemical bonds by autotrophs for their food energy.
___Heterotrophs_____ must depend on energy stored in chemical bonds by autotrophs for their food energy.
The decarboxylation of pyruvate produces NADH Acetyl CoA CO2 ATP Only a, b, & c are correct
The decarboxylation of pyruvate produces NADH Acetyl CoA CO2 ATP Only a, b, & c are correct
What role does oxygen play in oxidative respiration What role does oxygen play in oxidative respiration? no role combines with acetyl CoA by-product of oxidation of pyruvate final electron acceptor in the electron transport chain
What role does oxygen play in oxidative respiration What role does oxygen play in oxidative respiration? no role combines with acetyl CoA by-product of oxidation of pyruvate final electron acceptor in the electron transport chain
Molecules are broken down into simpler forms by a process called ______________________
Molecules are broken down into simpler forms by a process called _digestion__________