Download 1-2 Biomolecules

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Biology Homework 1-2: Biomolecules
1. Like complex carbohydrates, proteins are biomolecules that serve many functions and can be chemically broken down and
restructured. Both proteins and complex carbohydrates have which of the following?
a. polymers of smaller subunits
b. sequence of sugars
c. lipids of large molecules
d. nucleotides of DNA
2. An enzyme speeds up chemical reactions, therefore, it is considered what kind of polymer?
a. carbohydrate
b. lipid
c. protein
d. nucleic acid
4. What are the functions of triglycerides in living organisms?
a. store energy
b. store genetic material
c. primary source of energy
d. speed up chemical reactions
5. A nucleotide consist of aa. sugar
b. nitrogenous base
c. phosphate
d. all of these above
6. Vocabulary. Match the following words with its correct definition.
_____ Amino acid
_____ Polymer
_____ Monomer
7.
a. monomer of proteins
b.also considered subunits, building blocks, small molecules
c. large molecule made of many single molecules
Label the following biomolecules (word bank: carbohydrates, lipids, nucleic acids, proteins)
8. Fill in the chart below
A. Secondary source of energy used for long term energy storage, cell
A.
Build and repair Tissue, control chemical
reactions as enzymes
B.
C.
D.
E.
F.
Oil, waxes, and fat
membrane structure.
B.
C.
D.
E.
F.
G.
Glycerol and fatty acids.
Sugar, starch.
Amino acids
Store genetic information for making protein.
Monosaccharides/polysaccharides
Primary source of energy
Amino acids
Muscle
Nucleotide
DNA, RNA
Biomolecule
Monomer
Example
Function
Protein
Carbohydrate
Nucleic Acid
Lipid
Short Answer.
9. How does the structure of lipids differ from all other biomolecules? Justify your answer.
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10.
In your PE class, your next assignment will be to run a mile. What types of food would you want to eat prior to going to
class? Justify your answer.
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11. Compare and contrast proteins and nucleic acids. What do these polymers have in common? Differences? Justify your
answer.
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