'H step' diaporamas de présentation

Cellular Energy

Cellular Energy. Overview. The purpose of this unit is to examine how energy is made available to cells to power metabolism.

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Photosynthesis

PHOTOSYNTHESIS . Photosynthesis. Chemosynthesis uses energy released from chemical reactions to produce food for organisms. Organisms that carry out chemosynthesis are microbes (bacteria) that live far from the Sun, such as deep on the ocean floor. . What is the ultimate source of all energy.

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Lesson 7-5

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Chapter 4 Nuclear Chemistry

Chapter 4 Nuclear Chemistry. 4.3 Radiation Measurement 4.4 Half-Life of a Radioisotope 4.5 Medical Applications Using Radioactivity. Radiation Measurement. A Geiger counter detects beta and gamma radiation uses ions produced by radiation to create an electrical current.

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20.17 The Hofmann Rearrangement

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Addition

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