BELL WORK: Copy the question below and write your answer.

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Carbohydrates Properties Controlled by Structure

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Presentation transcript:

BELL WORK: Copy the question below and write your answer.

Set up the next page in your journal… Page: 20 Date: Title: Carbohydrates Essential Question: Why are carbohydrates so important? Yes, Cornell notes!

Biomolecules (Recap) are found in all living things. are organic compounds. ◦ contain the element carbon (C) ◦ All living things contain carbon. A substance without carbon is called inorganic. Elements to know: C = carbonN = nitrogen H = hydrogenP = phosphorus O = oxygen

Before we begin… Glue the picture in the top left corner of your notes. You will be referring back to it during today’s lesson!

Carbohydrates….here we go! Structure discovery: For the next minute discuss the following questions at your table: How would you describe the structure (shape) of this biomolecule? What elements are present? What pattern exists among the elements? (hint: count them!)

Structure: typically ring shaped (there are a few exceptions) contains Carbon, Hydrogen, and Oxygen (CHO) have a 1:2:1 ratio (relationship) in the elements. o For every 1 Carbon atom, there are 2 Hydrogen atoms and 1 Oxygen atom

QUICK and IMMEDIATE energy (CAR-bohydrate) ◦ contain 4 calories per gram ◦ there are fewer bonds to break, so the energy is used up QUICKLY Function: Carbos makes the Car-go

Examples: Saccharides (sugars) o end in –ose (cellulose, glucose, fructose, sucrose, etc) Vegetables Bread Starch

Monomer = monosaccharide Monosaccharides bond to form… Polymer = polysaccharide What do we call the pieces of a carbohydrate?

Monomer: Polymer:

MARSHMALLOW’S A-FIRE!

At the bottom of your notes, copy and answer the question below: ◦ Why did the flame go out before the marshmallow was completely gone?  Use the words carbohydrate, bond, & energy in your answers!

Foldable Time!!! 1.Open your journal to page On the FRONT of the Carbohydrate door, draw a glucose molecule. Be sure to draw all the elements! 3.On the INSIDE of the Carbohydrate door, write TWO functions and FOUR examples. 4.At the bottom of the Monomer box, write the monomer of a carbohydrate. 5.At the bottom of the Polymer box, write the polymer of a carbohydrate. 6.Draw an arrow from the monomer to the polymer.

Reading & Questions You are working INDEPENDENTLY (this means by yourself)! Read the paragraph and answer the questions. Anything you don’t finish now is HOMEWORK!