Tuesday, September 27, 2011

Web activity

1. What is a macromolecule?
They are normally a large molecule that is very biologically important. They are involved in all of the structures and processes of cells and organisms.

2. What is a monomer?
It is a small molecular structure that may be chemically bonded together to form long multipart polymer molecules.

3. What is a polymer?
A large molecule made up of similar or identical subunits called monomers.


4. List the four main types of macromolecules.
Proteins, lipids, carbohydrates, and nucleic acids


5. What are the types of reactions that macromolecules are shown to undergo?
Hydrolysis reaction, and dehydration synthesis (also know as codensation reaction)


6. Describe how monomers are joined together.
By the dehydration synthethesis.


7. What is the specific name for the bond between simple sugar monomers?
Hydrolysis reaction.

8. Which kind of enzyme joins monomers together?
Ploymer enzymes.

9. Describe how you had to arrange the sugar monomers in order to build a polysaccharide.
To create a polysaccharide I added another monomer, and two hydogens and one oxygen atom attract to create water.

10. Which building blocks of macromolecules are not used in building carbohydrates?
nucleotide, Fatty acids, and amino acids.

11. Why is sugar stored as glycogen in the human body?
It is used to store up energy.

12. Why are plant foods essential to animal life?
Animals take advantage of plants because they are able to make sugar and other nutrients through sunlight, water, and sunlight.

13. Describe how starch is digested by animals?
It is digested in the stomach and intestines then stored as energy.

14. What is "fiber" and why is it important in you diet?
It is a carbohydrate polymer, found in vegetables and fruit. It is important to help digestion.

15. What causes you to pass gas according to the article?
The fermentation of carbohydrates.

16. What are some disadvantages of a low-cab diet?
It affects your bone and kidney health, and it provides cardiovascular risk factors.

17. Describe the role that sugars play in cavity formation in your teeth.
Sugars cause the bacteria to spread that cause cavities.

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