Cell Respiration Quizzalize
How many ATP molecules are made in the Krebs cycle? 2 4 1 0
2
Which isn't an end product of glycolysis? 2 water molecules 2 NADH 2 pyruvate 2 ATP
2 water molecules
The net result of the breakdown of glucose in glycolysis and fermentation is the production of: 36 ATP 2 ATP 2 ATP & NADH 2 ATP & NAD+
2ATP & NAD+
When oxygen is present, cellular respiration in your body cells yields a total of ______ ATP per glucose molecule. 32 34 36 2
36
What is the equation of cellular respiration? A) Glucose + Oxygen > Water + Carbon Dioxide + Energy B) Glucose + Oxygen + Water > Carbon Dioxide + Energy C) Glucose + Carbon Dioxide > Water + Oxygen + Energy D) Energy + water + carbon dioxide > glucose + oxygen
A) Glucose + Oxygen > Water + Carbon Dioxide + Energy
The final step in the process of cellular respiration is the electron transport chain (ETC). What best describes the first step in the electron transport chain? A) energized electrons from NADH and FADH2 active transport proteins B) Hydrogen ions diffuse through the membrane C) Electrons in the inner membrane are energized by the sun D) Electrons from NADH and FADH2 bond with hydrogen ions to from water molecules
A) energized electrons from NADH and FADH2 active transport proteins
During aerobic cellular respiration, a proton(H+ ions) gradient in mitochondria is generated by ____ and used primarily for ____. A) the electron transport chain; ATP synthesis B) glycolysis; production of H2O C) fermentation; NAD+ reduction D) diffusion of protons; ATP synthesis
A) the electron transport chain; ATP synthesis
Why is CO2 found in the second tube? A) the yeast are doing fermentation which produces CO2, ethanol, and NAD+ B) the yeast are doing fermentation which produces O2, ethanol, and NAD+
A) the yeast are doing fermentation which produces CO2, ethanol, and NAD+
Energy from electrons are used to make ______ in the electron transport chain. ADP ATP NADH FADH2
ATP
As protons(H+ ions) flow through the ______, energy is released and used to combine ADP and inorganic phosphate to form ATP. cytochrome oxidase electron transport chain ATP synthase NADH
ATP synthase
As the hydrogen ions move back through the membrane, they flow through the enzyme that is the center of all cellular respiration because it produces 32 ATP. What is this important enzyme? Photosystem II & I ATP synthase Acetyl CoA Acetyl CoB
ATP synthase
The oxygen consumed during cellular respiration is involved directly in which process or event? A) the phosphorylation of ADP to form ATP B) accepting electrons at the end of the electron transport chain C) glycolysis D) citric acid cycle
B) accepting electrons at the end of the electron transport chain
The primary role of oxygen in cellular respiration is to A) yield energy in the form of ATP as it is passed down the respiratory chain B) act as an acceptor for electrons and hydrogen forming water C) catalyze the reactions of glycolysis D) combine with carbon, forming CO2
B) act as an acceptor for electrons and hydrogen forming water
Which of the following statements is FALSE? A) glycolysis is the first step in both aerobic and anaerobic respiration B) glycolysis occurs in the mitochondria C) glycolysis can occur with or without oxygen D) glycolysis produces 2 ATP, 2 NADH and 2 pyruvate
B) glycolysis occurs in the mitochondria
Cellular respiration is the chemical opposite of photosynthesis. What is its basic chemical formula? A) C6H12O6 (glucose) + 6 CO2 (carbon dioxide) > 6H2O (water) + 6 O2 (oxygen) + sunlight energy B) C6H12O6 (glucose) + 6CO2 (carbon dioxide) > 6H2O (water) + 6O2 (oxygen) C) C6H12O6 (glucose) + 6O2 (oxygen) > 6H2O (water) + 6CO2 (carbon dioxide) + energy (ATP) D) C6H12O6 (glucose) + 6CO2 (carbon dioxide) > 6H2O(water) + 6O2 (oxygen) + energy (ATP)
C) C6H12O6 (glucose) + 6O2 (oxygen) > 6H2O (water) + 6CO2 (carbon dioxide) + energy (ATP)
In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of ATP, CO2, and lactate ATP, CO2 and ethanol (ethyl alcohol) CO2 and lactate CO2 and ethanol (ethyl alcohol)
CO2 and ethanol (ethyl alcohol)
Under low oxygen conditions, the production of lactic acid in your body can lead to A) the shut down of glycolysis B) the production of more adenosine triphosphate molecules C) the production of more carbon dioxide D) muscle soreness and fatigue
D) muscle soreness and fatigue
All of the following are functions of the citric acid cycle except release of carbon dioxide production of NADH & FADH2 production of ATP adding electrons and protons to oxygen, forming water
adding electrons and protons to oxygen, forming water
Products of the Krebs cycle include: FADH2 NADH carbon dioxide all of the above
all of he above
Products of glycolysis include: ATP NADH pyruvate all of the above
all of the above
Respiration without oxygen is called _________ respiration. anaerobic aerobic de-oxygenated none of the above
anaerobic
During the electron transport chain, H2O is formed. Where does the oxygen for the synthesis of the water come from? lactate atmospheric oxygen (O2) glucose carbon dioxide
atmospheric oxygen (O2)
Which of the following is considered a waste product of cellular respiration? glucose oxygen carbon dioxide ATP
carbon dioxide
What is the term used for the metabolic pathway in which glucose (C6H12O6) is degraded to carbon dioxide (CO2) and water? cellular respiration glycolysis citric acid cycle fermentation
cellular respiration
Which stage of aerobic respiration produces ATP, NADH, FADH2, and releases CO2? glycolysis fermentation ETC Citric acid cycle
citric acid cycle ( also known as Kreb's Cycle)
Where does glycolysis takes place? mitochondrial outer membrane cytoplasm mitochondrial inner membrane mitochondrial matrix
cytoplasm
Once enough H+ ions have been pumped to the inter-memebrane of the mitochondria, they tend to move back inside the membrane through ATP synthase to make ATP. What is this random movement of particles from areas of high concentration to low concentration called? osmosis diffusion active transport endocytosis
diffusion
Most ATP produced in aerobic respiration occurs in the electron transport chain fermentation glycolysis kreb's cycle
electron transport chain
This process uses electrons from NADH and FADH2 to produce ATP krebs cycle glycolysis electron transport chain fermentation
electron transport chain
Which of the following occurs in both photosynthesis and respiration? electron transport chain calvin cycle glycolysis krebs cycle
electron transport chain
Carbon dioxide is a necessary ingredient for cellular respiration to occur. true or false
false
Cellular respiration is completely aerobic, meaning that every phase needs oxygen in order to take place. true or false
false
Right now, sitting at your desk, your cells are using mostly anaerobic respiration to make glucose. true or false
false
The electron transport chain is the only way that cells make ATP. true or false
false *Krebs makes 2 and glycolysis makes 2
Either lactic acid or alcohol is produced as a result of aerobic cellular respiration photosynthesis hydrolysis fermentation
fermentation
In the presence of oxygen, all cells synthesize ATP via the 3 step process of aerobic respiration. Many cells also can metabolize pyruvate if oxygen is not present, via the process of: aerobic respiration fermentation electron transport chain lactic acid fermentation
fermentation
What is needed to start anaerobic respiration? glucose & O2 glucose O2 glucose and water
glucose
What is the starting molecule for glycolysis? adenosine diphosphate water glucose pyruvic acid
glucose
What reactants are needed for aerobic respiration? glucose glucose and oxygen glucose and CO2 glucose, O2 and H2O
glucose and oxygen
The process called ____________ takes place in the cytoplasm of the cell, literally means "glucose-breaking," and yields a total of 2 ATP. osmosis glycolysis Calvin Cycle Krebs cycle
glycolysis
Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent? ETC glycolysis Krebs cycle lactic acid
glycolysis
Which stage of aerobic respiration requires ATP? glycolysis fermentation electron transport chain Krebs cycle
glycolysis
____________is the process that occurs in the cytoplasm in which the glucose molecule is broken into two parts. fermentation ETC citric acid cycle glycolysis
glycolysis
Where is ATP synthase located in the mitochondrion? mitochondrial matrix cytoplasm inner membrane outer membrane
inner membrane
Cramps during exercise are caused by: glycolysis inhibition chemiosmosis alcohol fermentation lactic acid fermentation
lactic acid fermentation
The Krebs cycle occurs within the mitochondria of a cell. Which best describes the site of the Krebs (citric acid) cycle inside the mitochondria? outer mitochondrial membrane inner mitochondrial membrane stroma matrix of mitochondria
matrix of mitochondria
In what cell structure does the Krebs cycle and ETC of aerobic cellular respiration take place? ribosom mitochondria chloroplast nucleus
mitochondria
Most ATP in eukaryotic cells is produced in the: nucleus rough endoplasmic reticulum mitochondria cytoplasm
mitochondria
Where are the proteins of the electron transport chain located? mitochondrial inner membrane mitochondrial outer membrane mitochondrial intermembrane space mitochondrial matrix
mitochondrial inner membrane
Which stage of aerobic respiration requires CO2? glycolysis fermentation electron transport chain none of the above
none of the above
The final electron acceptor in aerobic respiration is: carbon dioxide oxygen NAD+ water
oxygen
Yeast were mixed with warm sugar water and over time the balloon on top of the bottle started to inflate. What caused the balloon to inflate? production of O2 gas production of CO2 gas Production of water vapor
production of CO2 gas
What is the starting molecule for the Kreb's cycle? NADH pyruvic acid glucose ATP
pyruvic acid
The starting material(s) in a chemical reaction (the left side of the chemical equation) are called products or reactants
reactants R ---> P
All eukaryotic cells use cell respiration to breakdown glucose and create ATP. true or false
true
Carbon dioxide is given off to the surroundings by organisms that perform aerobic cellular respiration and alcoholic fermentation. true or false
true
Cellular respiration converts the energy in the bonds of glucose into usable energy for the cell in the form of ATP. true or false
true
Heat is a waste product of cellular respiration. true or false
true
Plants undergo cellular respiration. true or false
true
The usable energy in an organisms cell is usually found in the form of a molecule called adenosine triphosphate (ATP). true or false
true
Water is a product of aerobic cellular respiration. true or false
true
Two oxygen atoms enter the mitochondrial matrix at the end of the ETC. They bond with the electrons from and the protons (H+ ions) that just passed through it to form what final product? CO2 ATP oxygen gas water
water
When is energy stored in ATP? when a phosphate group is removed from ADP when a ribose sugar is added to ADP when a phosphate group is added to ADP when adenosine is removed from ATP
when a phosphate group is added to ADP
