Download Molecules of Life Online Organizer

Molecules of Life Online Organizer 2017
Use web sites to learn about important molecules in living things:
 Go to Mrs. Elinow’s website. Click on the link for “Webquests”, look for the “Molecules of Life
Webquest”
 Click the links in the document (or on website) to go to each website.

Complete this graphic organizer. You will be responsible for all this information.
Dehydration synthesis (=Condensation reaction)
What happens in the animation?
What is given off when the two monomers combine?
Why do you think this reaction is
called dehydration synthesis?
Think!
What is a polymer?
How is hydrolysis related to dehydration synthesis (condensation)?
Where in your body does hydrolysis take place?
Main function of carbohydrates in cells:
Biomolecules:
The Carbohydrates
Atoms in
carbohydrates
Examples of monosaccharides:
Glucose chemical formula:
What are two shapes of glucose?
Monomers of
carbohydrates:
Examples of disaccharides:
Disaccharides are:
How are disaccharides formed?
Revised 2-10-2017
Long polymers of carbohydrates are:
Polysaccharides are:
Examples include:
(Plants)
(Plants)
(Animals)
General characteristic of lipids:
Biomolecules:
The Lipids
Functions of fat in the body:
Atoms in lipids:
What is the difference between a saturated fatty acid and an
unsaturated fatty acid?
Which type of fatty acid is liquid at room temperature?
Which type of fatty acid is solid at room temperature?
 Draw the structure of a phospholipid.
Label: Phosphate head
Lipid tail
Hydrophilic region
Hydrophobic region
Function of phospholipids:
Describe the structure of cholesterol:
Why is cholesterol important in the body?
Lipids vs.
carbohydrates for
Energy Storage
Why does your body need energy?
How much energy is stored in each gram of carbohydrates?
How much energy is stored in each gram of lipids?
Revised 2-10-2017
Think!
Which one is used for long-term energy storage?
Which one is used for short-term energy storage?
Your body stores lipids in ____________ tissue
What happens to glycogen when your body needs energy?
The Basics: Proteins
Atoms in proteins:
Some examples of protein functions in the body:
Primary Structure:
Monomers of
proteins
(building blocks)
Protein shape (conformation) is affected by:
Amino acids and
polypeptides
What are amino acids?
Linking amino acids
Good sources of protein in food:
There are ______________ different amino acids.
 Draw the general structure of an amino acid.
How are essential and non-essential amino acids different?
What is an “R” group?
What type of reaction links amino acids together?
All about enzymes a
very special kind of
protein!
Function of enzymes:
Enzymes are a type of ________________________
See also:




Why Enzymes?
Specificness
Reusing Enzymes
Denaturing
Each enzyme catalyzes ______________ specific reaction.
Enzymes are / are not changed in a chemical reaction.
Circle the correct answer
The function of an enzyme is determined by _______________
Revised 2-10-2017
What are some ways enzymes can be denatured?
Understanding Carbs,
Proteins & Fats and
How the Body Burns
Them.
When you exercise, which organic compound is the first energy
source?
Which organic compound is the second source of energy?
Why does the body burn sugars and lipids in that order?
Under what conditions will the body use proteins for energy?
Why do some athletes eat a lot of protein before exercise?
What is DNA? Tour
of the Basics
Function of DNA:
See these topics:
 What is DNA?
 What is a Gene?
 Things you may not
know about DNA
Describe the structure of DNA.
What is a gene?
Atoms in DNA:
Explain how DNA produces a phenotype, such as freckles or curly
hair.
Monomers of
nucleic acids:
Think!
What does it mean that “your genes are not your destiny”?
Revised 2-10-2017