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Food Chemistry

QuestionAnswer
Atoms Basic building blocks of matter. Individual elements
Molecule A unit composed of 2 or more atoms held together by chemical bonds
Compound A substance whose molecules consist of unlike atoms
Ionic Bonds A bond that happens when a metal loses and electron to a non metal atoms and becomes more positive
What is one example of an Ionic Bond Table Salt
Covalent Bond A bond where electrons are shared between two non metal atoms and energy is released creating a more stable system.
Hydrogen Bonds A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in another.
Polar Molecules an unequal distribution of electron density, resulting in one region of the molecule being slightly positive and another slightly negative, creating a dipole
Nutrients Food components that nourish the body to provide growth, maintenance and repair
Macronutrients essential nutrients the body needs in large amounts
Micronutrients essential nutrients the body needs in smaller amounts
What are examples of Macro nutrients protein, lipids, carbs, water
What are some examples of micro Minerals and vitamins
Proteins Made of nitrogen carbon hydrogen oxygen and sometimes sulfur and phosphorus. Composed of amino acids and enzymes 4g
What is something special about proteins Only one that contains N and is active
What are enzymes? something that speeds up biochemical reactions
Lipids Made carbon hydrogen and oxygen and comes from living things. 9 grams. Does not mix with water
Carbohydrates made of carbon hydrogen and oxygen mostly from plants. Mixes with water
How to tell the difference between carbs and lipids the O to C and H ratio. Lipids has a larger ratio
Water Hydrogen and oxygen. Major component to all foods
Vitamins and minerals essential for nutrition and to sustain good health
Created by: user-1878412
 

 



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