Bio 9B: Friday, 10.2.09 Title: Quiz – Classifying Life and Cell Theory Homework: Pass Day in the Life of a Cell essay to the middle please Due Monday, October 5, 2009: Actively read the first two pages of Section 9.1 in your textbook (pages 221-222 only). As you read, pay close attention to the strategies you are using to understand difficult information in the text. AFTER YOU READ: Write a summary of the main points and ideas from these two pages. You can summarize any way you wish. Write a short paragraph explaining the strategies you use to actively read the text and to understand difficult information. Do Now: Put Homework slip into 2-pocket folder Get out a pen/pencil and clear your desk for the quiz. Objectives for Class: Demonstrate what you know about cells and domains/kingdoms of life on the Quiz. Identify strategies that help you to read challenging texts in science. Employ those strategies to learn about energy in cells from the Biology textbook.

Today’s Agenda: Quiz Start Homework Objectives for Class: Show what you know about cells and domains/kingdoms of life on the Quiz. Identify strategies that help you to read challenging texts in science. Employ those strategies to learn about energy in cells from the Biology textbook.

Bio 9B: Monday, 10.5.09 Title: Reading for Understanding in Biology Homework: Pass 9.1 Homework to middle of rows Review core concepts from 8.1 and 9.1. Highlight the information you do not understand and work to answer your own questions. Come to tomorrow’s class with questions you need answered. Do Now: Extended Do Now: What are the strategies you use to read for understanding? Objectives for Class: Identify strategies that help you to read challenging texts in science. Employ those strategies to learn about energy in cells from the Biology textbook.

Today’s Agenda: Reading for Understanding Assignment related to section 8.1 – Parts 1 and 2 Begin debrief of effective strategies Objectives for Class: Identify strategies that help you to read challenging texts in science. Employ those strategies to learn about energy in cells from the Biology textbook.

Bio 9B: Tuesday, 10.6.09 Title: Energy in Living Things Homework: Burning Nuts Pre-lab Do Now: Which reading strategies do you find most effective? Do you use them EVERY time you have to read at home? Objectives for Class: Employ those strategies to learn about energy in cells from the Biology textbook. Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water

9B: Reading to Understand… wrap up What Makes it Difficult? Effective Strategies… Difficulty understanding the process Repetitive Vocabulary Sentence Structure Reading for the first time Read silently is an issue (need focused distraction) Text marking-underlining, stars, highlight, Margin notes, post its Take notes on a separate sheet of paper Summarize or Paraphrase Changing the title of each section into a question Defining words you don’t understand Create a purpose question Bullet points Read out Loud Text to text, text to self, text to world (making connections)

Cellular Respiration Purpose To break down food (glucose) and release energy in a form that cells can use (ATP) Where it Happens In the mitochondria of all eukaryotic cells Objectives for Class: Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water

Bio 9B: Thursday, 10.8.09 Title: Energy in Living Things Double Block Homework: Cell Respiration open response question: DUE FRIDAY Do Now: In your notebook: Describe your reaction to Monday’s community meeting presentation. How do you think that stuff (global warming, burning fossil fuels, finding alternative energy sources) relates to what we are studying in class right now? Objectives for Class: Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Compare and contrast the process of burning food to the process of cell respiration in terms of the inputs and outputs of the reactions.

Cellular Respiration: Summary Equation Helps maintain our internal temperature… We inhale this when we breathe in Goes into the “pool” of water in our bodies… Glucose + O2 CO2 + H2O + ATP energy + heat We exhale this when we breathe out Comes from the food we eat This is the energy that our cells use to do stuff Objectives for Class: Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water

Burning Nuts Demo – Part I How is cell respiration like burning food? 1. Watch the demo carefully and record your observations in the first row of the chart 2. Work in Groups to complete the Part I Analysis Objectives for Class: Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Compare and contrast the process of burning food to the process of cell respiration in terms of the inputs and outputs of the reactions.

Burning Nuts Part I Debrief Comparing and contrasting cell respiration & burning food? Cell Respiration: Glucose + O2  CO2 + H2O + ATP energy + heat Burning Food: nut (carbs, oils, proteins) + O2  CO2 + H2O + ashes + light+ heat Burning Fossil Fuels: gasoline/coal/oil + O2  CO2 + CO + H2O + heat Objectives for Class: Identify the organelle in the cell where the process of cell respiration occurs Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Compare and contrast the process of burning food to the process of cell respiration in terms of the inputs and outputs of the reactions.

Diagram of the Process Occurs in Cytoplasm Image: Copyright Cmassengale

3 Main Stages of Cell Respiration Releases water and LOTS of ATP Finishes splitting glucose, releases CO2 and a little more ATP Splits glucose in half and releases a small amount of ATP. Occurs in Cytoplasm Total ATP Produced = 36 ATP Image: Copyright Cmassengale

ATP What is ATP? P P P P Adenosine Tri-Phosphate Energy Adenosine A little more energy in this bond Adenosine Energy Ribose (sugar) P P P A little bit of energy in this bond A lot of energy in this bond Objectives for Class: Explain how cells use ATP energy to power cellular activities and “do work” Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water P

How do cells use ATP energy? It’s A High Energy Molecule Cells Use to Do Work! Movement Transport of Materials Building large molecules like DNA and Proteins Objectives for Class: Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Explain how cells use ATP energy to power cellular activities and “do work”

ATP Analogy… Food (like glucose) is like: ATP is like: The $5 bill you have in your pocket when you want a candy bar from a vending machine. The $5 bill is still worth 5 bucks, but right now it’s useless… It’s good for storage, but hard to use immediately ATP is like: The change you get when you cash it in… Now you have cash in your pocket that you can put into the machine and spend on a candy bar It’s bad for long-term storage, but it’s available whenever you need it Objectives for Class: Explain how cells use ATP energy to power cellular activities and “do work”

The ATP – ADP Cycle: ATP: Adenosine Tri-Phosphate The phosphate is “recycled” & used to “recharge an ADP molecule to make ATP Energy released from Phosphate breaking off… Energy is stored in the bonds. ADP: Adenosine Di-Phosphate Objectives for Class: Explain how cells use ATP energy to power cellular activities and “do work” Explain how ADP is “recharged” with phosphates to create ATP Image: Copyright Cmassengale

You can also think of ATP as a rechargeable battery: Using ATP runs down the “battery” by taking away a phosphate. It can be “recharged” by adding a 3rd phosphate to bring it back to FULL Power… Objectives for Class: Explain how cells use ATP energy to power cellular activities and “do work” Explain how ADP is “recharged” with phosphates to create ATP

Bio 9B: Friday, 10.9.09 Title: Energy in Living Things Homework: Pass Cell Respiration open response forward Study for the cell respiration quiz on Wednesday Do Now: What do you think a calorie is? Objectives for Class: Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Compare and contrast the process of burning food to the process of cell respiration in terms of the inputs and outputs of the reactions. Calculate the calories in food.

Burning Nuts Demo – Part II Measuring the Calories in the Nut 1. Respond to the Pre-Lab Questions for Part II 2. Watch the Demo and Record Observations 3. Complete the Analysis for Part II Objectives for Class: Explain how the body uses food and oxygen to create ATP, Carbon Dioxide and Water Compare and contrast the process of burning food to the process of cell respiration in terms of the inputs and outputs of the reactions. Measure the calories in food.