Question 4 (8 pts): Fill in the lines below indicating which of the 4 main macro

Question

Question 4 (8 pts): Fill in the lines below indicating which of the 4 main macromolecule families the molecule on the left belongs to, and its main biological function(s): Molecule Macromolecule family Glycogen DNA Function(s) Keratin Question 5 (4 pts): Write the letter "P" to the left of the molecules in question 4 that are examples of polymers Question 6 (6 pts): Fill in the blanks: Amino acids are linked together with bonds to form chains, whereas simple sugars are linked together with bonds to form reaction occurs to link them, releasing a molecule of chains. In both cases, a

Explanation / Answer

4.

Molecule Macromolecule family Function

Glycogen Carbohydrate                                   Form of energy storage which is converted into glucose

DNA                      Nucleic acid Genetic material found in living organism

Triglycerides       Lipid                                                    To store energy for later use

Keratin                 Protein                                               To adhere cell to each other and to form protective layer on the outside of skin

5.

               Molecule            

P             Glycogen            

P             DNA                     

P             Triglycerides      

P             Keratin

6.

Amino acids are linked together with non planar peptide bonds to form polypeptides chain, whereas simple sugars are linked together with covalent bonds to form polysaccharide chains. In both cases, a redox reaction occurs to link them and releasing a molecule of water.

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