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Empower Learning Through Reciprocal Teaching

Reciprocal teaching helps you create meaning of content, enhances metacognition, and improves learning for both you and your peers. Lesson overview on energy and life chemical energy processes.

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Empower Learning Through Reciprocal Teaching

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  1. RECIPROCAL TEACHING • Helps you create your own meaning of content • Helps with METACOGNITION • Empowers you to become better learners and and enhance your peers learning as well!

  2. Predict • What will happen or what will we learn?

  3. Clarify • Reread or discuss words or points that were not clear.

  4. Question • After reading, ask a question for others to answer.

  5. Summarize • Tell the important ideas that we read.

  6. Lesson Overview 8.1 Energy and Life

  7. Chemical Energy and ATP • Energy is the ability to do work. • Your cells are busy using energy to build new molecules, contract muscles, and carry out active transport. • Without the ability to obtain and use energy, life would cease to exist.

  8. Chemical Energy and ATP • One of the most important compounds that cells use to store and release energy is adenosine triphosphate (ATP). • ATP consists of adenine, a 5-carbon sugar called ribose, and three phosphate groups.

  9. Storing Energy • Adenosine diphosphate (ADP) looks almost like ATP, except that it has two phosphate groups instead of three. ADP contains some energy, but not as much as ATP.

  10. Using Biochemical Energy • One way cells use the energy provided by ATP is to carry out active transport.

  11. Using Biochemical Energy • ATP powers movement, providing the energy for motor proteins that contract muscle and power the movement of cilia and flagella.

  12. Using Biochemical Energy • Energy from ATP powers the synthesis of proteins and responses to chemical signals at the cell surface.

  13. Using Biochemical Energy • ATP is not a good molecule for storing large amounts of energy over the long term. • It is more efficient for cells to keep only a small supply of ATP on hand. • Cells can regenerate ATP from ADP as needed by using the energy in foods like glucose.

  14. Heterotrophs and Autotrophs • Organisms that obtain food by consuming other living things are known as heterotrophs.

  15. Heterotrophs and Autotrophs • Organisms that make their own food are called autotrophs. • Plants, algae, and some bacteria are able to use light energy from the sun to produce food. The process by which autotrophs use the energy of sunlight to produce high-energy carbohydrates that can be used for food is known as photosynthesis.

  16. REVIEW Questions • T or F Without the ability to obtain and use energy, life would cease to exist. • One of the most important compounds that cells use to store and release energy is _______? • What are the three parts to the structure of ATP? • What characteristic of ATP makes it exceptionally useful as a energy source? • ATP and ______ work together like a rechargeable battery. • ATP is not good at storing energy _________________. • Organisms that obtain food by consuming other living things are known as __________________. • Organisms that make their own food are called ___________________. ATP Adenine, Ribose and 3 Phosphate groups It is rechargeable ADP Long Term Heterotrophs Autotrophs

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