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Cole Wilkinson

on 22 January 2015

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Transcript of Biomolecules

Food Revisited
Now that you have seen the four types biomolecules, organize your foods into three groups. You have 5 min.

Carbohydrates, Proteins, and Lipids.

Proteins are used to build a variety of structures within cells and throughout our bodies.

Proteins are made from Amino Acids.

Proteins are really important! They will come up later!
Lipids have two ends. A hydrophobic end and a hydrophilic end.

Lipids are formed by linking three fatty acid chains together.

*Lipids form cell membranes.
Carbohydrates, also called polysaccharides, are formed from long chains of monosaccharides.

Carbohydrates are used for energy. They power the cell, and thus the organism.

Runners often eat lots of carbohydrates before a race.
Nucleic Acids
Nucleic acids, Deoxyribose Nucleic Acid (DNA) and Ribose Nucleic Acid (RNA) hold the information used to build proteins. All living things contain DNA.

Nucleic acids are formed from nucleotides.
There are 5 nucleotides, adenine (A), cytosine (C), guanine (G), thymine (T), and uricil (U).
Food Organiztion
Write down your favorite food or drink on a note card.

As a group, organize the foods (including the one you just wrote) into 3-4 categories. (8min)
Jigsaw Reading
Clubs will look at Carbs,
will look at proteins,
Spades will look at nucleic acids, and
will look at lipids.

Break into your groups you have 30 sec.
Jigsaw Reading
Read the article with your group. One person reads at a time.

You must find and note these four things:
The monomer
The polymer
The structure of the molecule (draw it)
The Function

Biomolecule Table
Return to your table. As a group fill out the biomolecule table given to you at the beginning of class.
Biomolecule Table Cont.
For your notes please obtain this information from your group mates:

The monomer
The structure of the molecule (draw it)
The Function
Foods it is commonly found in

Characteristics of Life
•respond to their environment
•grow and change
•reproduce and have offspring
•have a complex chemistry (energy and metabolism)
•maintain homeostasis
•are built of structures called cells
•pass their traits onto their offspring
and As a group, living things change over time.

*you will need to know this chart! do not mindlessly copy, but rather try to remember what you are writing. hint. hint.
Full transcript