Macromolecules
What does the prefix macro- mean?
Large
Are lipids hydrophilic or hydrophobic?
hydrophobic
The monomers of proteins are called _________.
A. fatty acids
B. amino acids
amino acids
What are two examples of nucleic acids.
A. DNA
B. SNA
C. RNA
D. PNA
DNA and RNA
List 2 examples of foods rich in carbohydrates.
Meat, Bread, Eggs, Butter, Cheese, Rice, Nuts
Pasta, bread, rice, candy, etc.
What is a monomer?
A. many unit of molecules
B. 1 subunit molecule
C. none of the above
B. 1 subunit molecule
What is a basic function of lipids in the human body?
A. Fast energy
B. Long term energy storage/insulation
C. store genetic information to make proteins
D. Build structures of the body
B. long-term energy storage and insulation
What are two examples of foods containing protein?
Bread, Eggs, Meat, Pasta, Candy, Butter, Oil, Cheese
chicken, beef, fish, green vegetables, eggs, nuts
What is the basic function of nucleic acids?
A. store genetic information to make proteins for the body
B. fast energy
C. long term energy storage
D. ALL of the above.
A. store genetic information to make proteins for the body
What is the basic function or job of carbohydrates in living things?
A. long term energy storage
B. fast energy for the cells
C. insulation
D. create structures for the body
B. provide fast fuel or energy for the cells
Many monomers make up a _______________. (meaning many units).
A. Polypeptide
B. Polymer
C. Polysaccharide
B. polymer
What are the monomers of lipids?
A. fatty acids
B. monosaccharides
C. nucleotides
D. none of the above.
A. fatty acids
What are two functions of proteins in the living things?
A. Fast Fuel
B. Create structures such as hair/nails
C. insulation
D. Create antibodies/enzymes
E. Store genetic information
B and D. Provide structures, create antibodies, and create enzymes
What are the monomers of nucleic acids?
A. monosaccharides
B. nucleotides
C. fatty acids
D. amino acids
b. nucleotides
Cellulose is made from chains of trillions of glucose molecules. Therefore, cellulose is this type of carbohydrate which if formed from many monomers of sugar called a________.
A. monosaccharide
B. disaccharide
C. polysaccharide
D. none of the above
C. Polysaccharide
Which of the four macromolecules is essential for life?
A. Carbohydrates
B. Lipids
C. Nucleic Acids
D. All of them
D. All of them
List one example of a saturated fat and one example of an unsaturated fat.
Choices:
Butter, Rice, Meat, Eggs, Oil, Pasta, Cheese, Bread
Saturated: Butter, cheese
Unsaturated: oil, milk
How many amino acids are there?
A. 10
B. 20
C. 30
D. 40
B. 20
What is the difference between the structure of DNA and RNA?
A. One is found in living things and the other is not.
B. DNA is a double helix and RNA is a single helix
C. RNA is a double helix and DNA is a single helix
D. None of the above
B.. Double helix (DNA) vs a single helix (RNA)
What is the monomer of carbohydrates? Give one specific example
A. monosaccharide - sucrose
B. monosaccharide - glucose
C. disaccharide - sucrose
D. disaccharide - glucose
B. monosaccharide: glucose
What does hydrophobic mean?
A. Water loving - dissolves in water
B. Water fearing - does NOT dissolve in water
C. Water is the universal solvent
D. Water is important to all living things
B. Water fearing - they do NOT dissolve in water.
Name an example of a steroid.
A. Sugars
B. Cholesterol/Hormones
C. Insulin
D. Nucleotides
Cholesterol/hormones
What do enzymes do for the human body?
A. Speed up chemical reaction
B. Slow down chemical reactions
C. Creates DNA
D. Breaks down DNA
A. Speed up chemical reactions
List the 5 elements found in nucleic acids.
C, P, S, O, H, F, B, N, K
carbon, hydrogen, oxygen, nitrogen and phosphorus
What ratio are carbon, hydrogen, and oxygen found in carbohydrates?
A. 2:1:2
B. 1:2:1
C. 2:1:1
D. 1:2:2
B. 1:2:1