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MY BIOLOGY PROJECT PHOTOSYNTHESIS AND CELLULAR RESPIRATION

TABLE OF CONTENTS

1.) DEFINITIONS OF VOCABULARY

________________________________________________________________________________________________ 1.) PHOTOSYNESIS-the synthesis of complex organic materials, esp. carbohydrates, from carbon dioxide, water, and inorganic salts, using sunlight as the source of energy and with the aid of chlorophyll and associated pigments.

2.) CELLULAR RESPIRATION-the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.

3.) ATP-ADP CYCLE-The ATP-ADP has everything to do with the storage and use of energy in living things. Energy is defined as the ability to do work. There are two types of energy:

Potential Energy is stored energy that is currently not in use, but it is available and can be released at a later point. Chemical bonds contain potential energy because when they are broken their energy stored within them is released. Kinetic Energy is also called free energy. This is energy that is being used now and it is doing work. Synthesis is a type of work that is done within cells, and in this process it creates molecules or organelles.

Adenosine triphosphate, also known as ATP, contains stored energy. A single molecule of ATP contains ten carbon atoms, sixteen hydrogen, five nitrogen, thirteen oxygen and 3 phosphorus atoms. The shorthand formula is C10H16N5O13P3. Note in the diagram that there are three phosphate groups attached to a conglomeration we call adenosine. The last two bonds on the phosphate groups contain especially high energy and therefore are very useful for doing work within living cells.

4.) Carbon-Oxygen Cycle-in biology, the exchange of carbon between living organisms and the nonliving environment