Unit 1 Notes: Carbohydrates

Unit 1 Notes: Carbohydrates

Tuesday 9-13-2011 Unit 1 Notes: Carbohydrates (1) What is a Carbohydrate?

Type of Biomolecule Means: hydrated carbon Has the same ratio of H and O as in Water.

(2) Element Composition: Carbon (C) The backbone of the molecule. Hydrogen (H) Oxygen (O)

(3) Monomer: Monomer: Basic unit or Smallest unit of a polymer (larger molecule).

Carbohydrate Monomer: Monosaccharide = Single Sugar (4) Polymer: Polymer:

A larger structure (molecule) made of many smaller units (monomers). Carbohydrate Polymer: Polysaccharide = Many sugars

(5) Types of Carbohydrates: Monosaccharide = 1 Sugar Simple Sugar or Carb Examples: Glucose, Fructose

Disaccharide = 2 Sugars Simple Sugar or Carb Examples: Sucrose, Maltose Polysaccharide = Many Sugars Complex Sugar or Carb

Examples: Starch, Cellulose, Glycogen (6) Function: Major: Immediate energy

Intermediate energy Minor: Cell Structure

(7) Food Examples:

Table Sugar Bread

Pastries Plants (cell walls / outer covering) Potatoes Whole Grains

(8) Simple vs. Complex Carbs RECALL: Energy is stored in bonds More Bonds = More Energy

Simple Carb: Small molecule, Few molecules Few bonds Little Energy Few bonds Break Fast Complex Carb:

Large molecule, Many parts Many bonds Lots of Energy Many bonds Break Slowly

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