Cellular Respiration Cellular Respiration: Harvesting Chemical Energy.
Monday 17 October Topic: Cellular Respiration
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Transcript of Monday 17 October Topic: Cellular Respiration
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Monday 17 OctoberTopic: Cellular Respiration
DO NOW:• Brainstorm everything that you can about energy. Think about things such as where it comes from, how it becomes available, how does it change into other forms, what is it used for, what types there are, etc.HW:• 8-1 Reading for Understanding
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ObjectiveBy the end of this class, you will
be able to write the chemical equation for cell respiration and identify its reactants and products.
AgendaNotes on cell respiration
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Why do we need energy?Heterotrophs and AutotrophsThe ability to do workTo liveTo power functions in the cellTo do your homework (muscle
fiber, thinking) To move
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In what form is energy available?Solar energyElectric energyKineticChemicalPotential Nuclear
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How does our body convert this energy?ENERGY MUST BE AS ATPAdenosine Tri-phosphateWe do not eat ATPThe mitochondria makes it with
metabolism What it takes in is called
reactants Products come out of a reaction
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Where do the waste products go?There are two waste products#1- Carbon dioxide-exhaling#2- Water-urinating, sweating,
and exhaling
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THE FORMULA!!!O2+ C6H12O6 CO2 + H2O + ATP
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Tuesday 18 OctoberTopic: Measuring energy in food
DO NOW:• Pick up a lab packet from the kidney table and complete the pre-lab assignment
HW:• Post-lab analysis questions
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ObjectiveIdentify 3 similarities and 2 differences
between cell respiration and burning food.
Calculate the number of calories in a Frito
AgendaLab protocolDemo of burning foodLabs part 1 & II
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Lab ProtocolAll bags/excess paper/etc must
be off the lab tablesAny hair long enough is to be tied
backDuring the burning portion,
absolutely no getting up for anything (wait until after this portion of the lab is complete)
Identify 3 similarities and 2 differences between cell respiration and burning food.Calculate the number of calories in a Frito
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FRONT OF ROOM AND INDIVIDUAL DESKS HERE!
Maximo
Ania
Marquise
William
Gizela
Mark
Uriel
Mariam
Lowre
Antonio
Charlie Damarys
Noah
Nicole
Hazel
Isaiah
Vilmari Cristian
Joas
Stephanie
Shreena
Guerschom
IsaacAlondra
Nahum
A’Shaun
Jaleel
Nellie
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If you’ve finished…Part I (burning food) of the lab
◦Complete the table on pg 1◦Write the analysis comparing and contrasting
burning food to cell respiration
Part II (measuring calories)◦Make sure all your data is filled in
Both parts of the lab◦Make sure all lab pieces are in the metal tray◦Start on the remainder of the analysis questions
Identify 3 similarities and 2 differences between cell respiration and burning food.Calculate the number of calories in a Frito
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Thursday 20 OctoberTopic: Exercise, Cell Respiration, and your bodyDO NOW:• Pick up a packet from the kidney table and complete the front page (“pre-lab”). You should fill in the blanks and write hypotheses for how exercise affects the body.
HW:• Reflections and conclusions questions• Study for quiz
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ObjectiveExplain how the chemical
equation for cell respiration relates to breathing, and why we breathe harder during exercise.
AgendaProtocol for outdoor activityHow to measure a pulseOutside activity!
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Pulse & Breathing rateEveryone focus for a few seconds
and note if your breathing is slow, medium, or fast (compared to how you normally breathe)
Next, find your pulse on your neck or your wrist and we will measure it for 15 seconds◦Multiply this number by 4 to get
beats/min (bpm)
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Before going outside…You only need to bring your lab and a
pencil and can leave everything else here
We go out the back stairs, out the door, and around to the crosswalk
Line up with your partner along the edge of the basketball court by the red stairs
Once everyone completes the activity, listen for me to say “Now” and “End” which will be the timed minute for pulse
Swap with your partner
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Friday 21 OctoberTopic: Cell Respiration Review & Quiz
DO NOW:• Get a clicker from the kidney table and review sheet• Take out your notes on cell respiration
HW:• Read 38-1 and take notes in your notebook• Think of a food/meal that contains carbohydrates, lipids (fats), and proteins. Write it down after your reading notes!
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ObjectiveBy the end of this class, you will
be able to apply knowledge of cellular respiration to answer short-answer and open-response questions on the quiz
AgendaCell respiration reviewQuiz
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1. What do you call the starting materials in a chemical equation?
A. B. C. D.
0%4%
91%
4%
A. ProductsB. IngredientsC. ReactantsD. Starters
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2. What are the reactants incellular respiration?
A. B. C. D.
4%9%
4%
83%A. O2 and CO2
B. O2 and GlucoseC. Glucose and ATPD. CO2, H2O, ATP,
and heat
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3. What are the products incellular respiration?
A. B. C. D.
4%
84%
8%4%
A. O2 and CO2
B. O2 and GlucoseC. Glucose and ATPD. CO2, H2O, ATP,
and heat
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4. What is the purpose of cellular respiration? Why is it important?
A. B. C. D.
0%
18%
82%
0%
A. To help us breathe
B. To make glucose for cells
C. To make ATP for cells
D. To take in oxygen and release carbon dioxide
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5. The organelle where cell respiration takes place is the
A. B. C. D. E. F.
0% 0%
9%
91%
0%0%
A. NucleusB. LysosomeC. ChloroplastD. VacuoleE. MitochondrionF. Ribosome
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6. Why do some cells have more mitochondria than other cells?
A. B. C. D.
96%
0%0%4%
A. The cells use more energy
B. The cells store more nutrients
C. The cells degrade more proteins
D. The cells divide more frequently
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7. A poison that prevents cell respiration in mitochondria will affect the production of…
A. B. C. D.
81%
5%5%10%
A. ATPB. GlucoseC. OxygenD. RNA
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8. Choose the correct statement about photosynthesis and cell respiration:
A. B. C. D.
4%
74%
17%
4%
A. Both in same organelle
B. Both happen in all living things
C. P produces carbon dioxide, and CR uses carbon dioxide
D. P stores energy and CR releases energy
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9. Which happens in the reaction on your paper?A. Energy from ATP is
used to make glucose
B. ADP adds a high-energy bond to its structure
C. ADP is used to provide oxygen to a cell
D. Energy is stored in ATP for future use
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10. Which conclusion is best supported by the graph?
A. B. C. D.
5%
81%
0%
14%
A. ATP production is independent of sugar
B. Amount of cell respiration is constant
C. ATP is only produced when sugar is above 4 g/L
D. Amount of cell resp. increases as sugar concentration increases
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Question 10
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Exercise Lab ReviewWhy does breathing rate increase
during exercise (2 reasons)?◦ ◦
Why does heart rate increase during exercise?◦
Does the amount of cell respiration increase during exercise? Why or why not?◦