MATCH THE LETTER IN THE DIAGRAM WITH THE LABEL:
1. MATCH THE LETTER IN THE DIAGRAM WITH THE LABEL:
______ MATRIX
______ INTERMEMBRANE SPACE
______ CYTOPLASM
______ OUTER MEMBRANE
______ INNER MEMBRANE (CRISTAE)
2. Write the complete overall chemical equation for cellular respiration using chemical symbols instead of words:
____________ + _______________ → ________________+_________________+________________
3. Which of the following is the correct sequence of events during cellular respiration?
A. glycolysis → fermentation → Krebs cycle
B. Krebs cycle → Electron Transport → glycolysis
C. glycolysis → Krebs cycle → Electron Transport
D. Electron Transport → Krebs cycle → glycolysis
4. What happens during the Krebs cycle?
A. H+ ions and oxygen form water.
B. Lactic acid is formed using fermentation.
C. A glucose molecule is broken down into 2 pyruvic acid molecules.
D. H+ ions build up on one side the mitochondrial membrane.
E. Pyruvic acid is broken down in a series of steps into CO2
5. What happens during glycolysis?
A. H+ ions and oxygen form water.
B. Lactic acid is formed using fermentation.
C. H+ ions build up on one side the mitochondrial membrane.
D. A glucose molecule is broken down into 2 pyruvic acid molecules.
E. Pyruvic acid is broken down in a series of steps into CO2
6. What happens during alcoholic fermentation?
A. Pyruvic acid reacts with NADH to make alcohol, release CO2, and regenerate NAD+
B. H+ ions and oxygen form water.
C. A glucose joins with Co-A to make pyruvic acid.
D. H+ ions build up on one side the mitochondrial membrane.
E. Citric acid is broken down in a series of steps into CO2
7. During Electron Transport, energy from moving electrons causes H+ ions to build up in the ___________________.
8. Which stage of cellular respiration produces the most ATP’s?
9. The unit used by scientists to measure the energy in food is the __________.
10. An athlete needing a QUICK BURST of energy for a 50 yard dash is getting his/her ATP from
A. cellular respiration
B. alcoholic fermentation
C. lactic acid fermentation
D. electron transport
11. A marathon runner needing energy for an EXTENDED PERIOD of time is getting his/her ATP from _________________________
A. photosynthesis
B. lactic acid fermentation
C. alcoholic fermentation
D. cellular respiration
12. Which electron carrier produces more ATP when it passes its electrons through the Electron Transport chain?
13. Which molecule is the last electron acceptor at the end of the Electron Transport chain?
14. Which 6 carbon molecule is formed in the first step of the Krebs cycle when Acetyl-CoA attaches its 2 carbon acetyl group to a 4 carbon molecule?
15. If cells run out of glucose, name two other molecules that can be burned for energy.
16. Cells DON’T do lactic acid and alcoholic fermentation to make lactic acid or alcohol. They do it to regenerate an electron carrier so glycolysis can continue. NAME THIS CARRIER.
17.What happens to the 6 carbons that are in glucose during cellular respiration?
18. What happens to the NADH and FADH2 molecules produced during glycolysis and Krebs cycle?
19. How many CO2 molecules are produced from 1 molecule of glucose during cellular respiration?
20.
TELL WHERE THE ENZYMES FOR EACH OF THESE REACTIONS IS LOCATED
______ GLYCOLYSIS
______ KREBS CYCLE
______ ELECTRON TRANSPORT CHAIN
THINK ABOUT IT
MAKE A MITOCHONDRION
USE PAPER CLIPS TO ATTACH THE ENDS OF THE 2 COLORED PIECES OF PAPER PROVIDED TO MAKE CRISTAE MEMBRANES FOR THE TWO MITOCHONDRIA.
REMOVE THE TWO CRISTAE, UNFOLD THE PAPERS,
AND COMPARE THE TWO COLORED PIECES OF PAPER.
21. WHY DO YOU THINK THE INNER CRISTAE MEMBRANES IN MITOCHONDRIA ARE FOLDED?
REPLACE THE PAPER CLIPS FOR THE NEXT GROUP
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