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Biomolecules Review Exam Questions with Correct Answers
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Biomolecules Review Exam Questionswith Correct Answers
Carbohydrates
Lipids
Proteins
Nucleic Acids - Answer-Q. What are the 4 classes or groups of biomolecules?
Monosaccharides
(such as glucose) - Answer-Q. Monomers or building blocks of carbohydrates are ____.
Fatty Acids and Glycerol - Answer-Q. Monomers or building blocks of lipids are ____.
Amino Acids - Answer-Q. Monomers or building blocks of proteins are ____.
Nucleotides - Answer-Q. Monomers or building blocks of nucleic acids are ____.
-ose - Answer-Q. Carbohydrates that are sugars (monosaccharides and disaccharides)
often end in the suffix.
Monomers - Answer-Q. ___ make up polymers. They are like building blocks.
Polymers - Answer-Q. Monomers join together to make up ___.
Carbohydrates - Answer-Q. Which group of biomolecules have this structure?
Glucose
Carbohydrate
(simple sugar or monosaccharide) - Answer-Q. Identify this molecule.
What class of biomolecules does it belong?
1. Water
2. Dehydration synthesis ("building larger by taking away water") - Answer-Q. 1. What
must be removed for two or monomers to join together to make a larger molecule
(polymer)?
2. What is this called?
1. Water
2. Hydrolysis ("breaking by adding water") - Answer-Q. 1. What must be added to a
polymer to break it down into smaller pieces?
2. What is this called?
1. Primary energy source (glucose)
2. Structure (cellulose)
, 3. Short-term storage (starch, glycogen) - Answer-Q. How do carbohydrates function?
Amino Acid - Answer-Q. Identify this molecule.
Protein - Answer-Q. If you put many of these molecules together (by removing water),
what larger molecule will they form?
Proteins - Answer-Q. Which group of biomolecules function in building tissues, structure
maintenance, and repair?
Proteins - Answer-Q. Which group of biomolecules includes enzymes?
Muscle; Protein - Answer-Q. The "meat" you eat (beef, chicken, ham, etc) is actually
___ and therefore, which type of biomolecule?
Lipid - Answer-Q. This type of biomolecule is nonpolar; it does not dissolve in water.
Phospholipid - Answer-Q. Lipids with phosphorus is called ______.
Lipids - Answer-Q. Long-term, back-up energy storage and insulation are the functions
of which biomolecule?
1. Triglycerides (true fats) such as fats, oils, & waxes
2. Phospholipids
3. Hormones - Answer-Q. List 3 types of lipids.
Top = Saturated Fatty Acid
Bottom = Unsaturated Fatty Acid - Answer-Q. Identify these 2 molecules
Bottom one - unsaturated fatty acid
(*Note - double bonds between some of the carbon atoms) - Answer-Q. Which of these
2 molecules tends to be liquid at room temperature like a vegetable oil?
Lipid
(triglyceride= glycerol +fatty acids) - Answer-Q. Identify this molecule.
1. Phospholipid
2. Cell membrane (or other membranes) - Answer-Q. 1. Identify this molecule.
2. Where would you expect to find it?
Dehydration synthesis - Answer-Q. The molecules surrounded by blue circles are
removed when this lipid is formed. The process is called_________ ____________.
The one on the left
(single sided) - Answer-Q. Which molecule is RNA?
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