Organic Molecules and Cell structure practice worksheet 1. Complete this table o
ID: 275740 • Letter: O
Question
Organic Molecules and Cell structure practice worksheet
1. Complete this table on carbohydrates, proteins and lipids.
Characteristics Carbohydrates Proteins Lipids
Basic unit (monomer)
Name a function
Give an example
2. Where are proteins produced? What about lipids?
3. Indicate the monosaccharide, disaccharide and polysaccharide:
a. Maltose ___________________________
b. Glucose ___________________________
c. Cellulose __________________________
4. Complete the following table:
Prokaryotes Eukaryotes
5. Compare saturated fats and unsaturated fats.
Characteristics Saturated fats Unsaturated fats
Examples of food
Healthy/Unhealthy
6. Compare DNA and RNA
DNA RNA
7. Review the function of each cell organelle:
Chloroplasts:
Rough Endoplasmic reticulum:
Smooth Endoplasmic reticulum:
Golgi complex:
Mitochondria:
Nucleus:
Nucleolus:
Ribosomes:
Plasma membrane:
Vacuole (in plant cells):
8. Compare animal and plant cells.
Explanation / Answer
1. Carbohydrates:
Composed of CHO (hydrates of carbon) (Cm(H2O)n)
Monomer = Monosaccharides
Function = Immediate energy source
Example: Starch and glycogen
Proteins:
Composed of CHON (S also)
Monomer = Amino acids
Function = Structural components (cytoskeleton) as well as functional molecules (Enzymes)
Ex: Keratin and Catalase
Lipids:
A diverse group of water-insoluble molecules
Most lipids are triglycerides which are composed of fatty acids and glycerol
Function: Structural components (membranes) and reserve food materials
Ex: Triglycerides
2. proteins are produced in the cytosol by ribosomes. Lipids are produced in ER.
3. Maltose = Disaccharide
Glucose = Monosaccharide
Cellulose = Polysaccharide
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