Biology Chpt 9 Flashcards
(30 cards)
Define calorie
Amount of energy needed to raise the temperature of
1 gram of water
1 degree Celsius
Define aerobic and anaerobic
Aerobic - Process that requires oxygen
Anaerobic - Process that does not require oxygen
Define cellular respiration
Process that uses oxygen to release energy from food
Where does glycolysis take place? A- mitochondrion B- cytoplasm C- cell membrane D- nucleus
B- Cytoplasm
Where do the Krebs cycle and the electron transport chain take place? A- ribosome B- nucleus C- mitochondrion D- cytoplasm
C- mitochondrion
Which reactant is used in the electron transport chain? A- water B- carbon dioxide C- oxygen D- sugar
C- oxygen
Which stage(s) of cellular respiration are aerobic? A- glycolysis B- Krebs cycle C- electron transport D- Both B and C
C- electron transport
Cellular respiration and photosynthesis can be thought of as opposite/similar processes. Energy flows in opposite/the same directions in the two processes.
Opposite. Opposite
Photosynthesis Cellular respiration
Function. Energy capture/release.
Location. Mitochondria/chloroplasts
Reactants. Water/glucose/oxygen
Products. Oxygen/glucose/carbon dioxide
Photosynthesis Cellular respiration
Function. Energy capture Energy release.
Location. chloroplasts. Mitochondria
Reactants. Water. glucose/oxygen
Products. Oxygen/glucose. carbon dioxide
Which process releases energy for the cell?
Photosynthesis/cellular respiration.
cellular respiration
Which statement about cellular respiration is true?
A- Cellular respiration does not use energy
B- The total amount of energy is constant
C- Energy is destroyed in the reaction
D- Energy is created during the reaction
B- The total amount of energy is constant
How are the processes of photosynthesis and cellular respiration connected?
A- Products of both processes are the same
B- Reactants for one process are the same reactants for the other
C- Each process provides the materials needed in the other process
D- There is no relationship
Each process provides the materials needed in the other process
Define Glycolysis, Krebs cycle and Electron transport chain
Glycolysis. - Part of cellular respiration in which glucose is changed to pyrrhic acid
Krebs cycle - Part of cellular respiration in which pyruvic acid is used to make carbon dioxide, and other compounds.
Electron transport chain - uses high energy electrons produced in Krebs cycle to move hydrogen ions from one side of membrane to the other
What is the matrix related to the Krebs cycle?
Matrix - Innermost space of the mitochondrion and the site of the Krebs cycle
What is the order of the steps in cellular respiration?
Krebs cycle. Glycolysis. Electron transport chain
Glycolysis–>. Krebs cycle–> Electron transport chain
Is oxygen required for
Glycolysis?
Krebs cycle?
Electron transport chain?
Glycolysis. NO
Krebs cycle. NO
Electron transport chain. YES
What are the starting reactants and ending products for
Glycolysis?
Krebs cycle?
Electron transport chain?
Glycolysis. Glucose—–> Pyruvate
Krebs cycle. Pyruvate—-> Carbon dioxide
Electron transport chain. Oxygen——> Water
How many ATP molecules are either produced or gained in
Glycolysis?
Krebs cycle?
Electron transport chain?
Glycolysis. 2 ATP
Krebs cycle. 2 ATP
Electron transport chain. 32 ATP
Where do the reactants for the Krebs cycle come from?
Glycolysis step
What is the name of the protein spheres that spin as hydrogen ions pass through them?
ATP Synthase
What happens to the carbon dioxide that results from the Krebs cycle?
It leaves the cell
Fermentation is respiration with/without oxygen
Fermentation is respiration WITHOUT oxygen
What are the two types of fermentation?
Alcoholic fermentation. used in bread and alcoholic beverages
Lactic acid fermentation. Cheese, yogurt, pickles, and kimchi
Alcoholic fermentation is used to make which product?
Bread. Cheese. Yogurt. Pickles
Bread. Also alcoholic beverages
