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Name: ________________________________________ Date: ___________________ Block:______
IB SL Chemistry Biochemistry Test Wiseman 2008
1. Deduce the structure of one of the dipeptides formed between isoleucine and serine (2)
2. State the name of this reaction and give the other product of this reaction (2)
3. Describe how a protein can be analyzed by chromatography (4)
4. Explain what is meant by primary and secondary structure of proteins and state the interactions
responsible (4)
5. Identify 3 types of interactions responsible for the tertiary structure of proteins (3)
6. The formula of oleic acid is CH3(CH2)7CH=CH(CH2)7COOH. Using R to represent, CH3(CH2)7CH=CH(CH2)7. Draw the triglyceride formed from this acid. (2)
Name: ________________________________________ Date: ___________________ Block:______
IB SL Chemistry Biochemistry Test Wiseman 2008
7. Explain why some triglycerides that are liquid at room temperature become solids when they are
completely hydrogenated. (3)
8. The structures of vitamins A and C are shown in table 22 of the data booklet. State with a reason
whether they are water or fat-soluble (3).
9. An oil sample containing 0.0100 mol of oil was found to react with 7.61 g of iodine, I 2. Determine the
number of C=C double bonds present in each molecule of the oil. (2)
10. State the names of the two functional groups that are present in both testosterone and
progesterone. (2)
11. Calculate the energy content of a vegetable oil was given the following calorimetry data. A 5.00 g
sample of the oil was completely combusted in a calorimeter containing 1000 g of water at an initial
temperature of 18.0C. On complete combustion of the oil, the temperature of the water rose to
65.3C. (4)
Name: ________________________________________ Date: ___________________ Block:______
IB SL Chemistry Biochemistry Test Wiseman 2008
12. Give two functions of each (6)
a. Fats
b. Proteins
c. Carbohydrates
]
Fill in the table using the word bank (6)
Hormone
Produced in the
Role in the body
Regulating metabolism
Regulates the amount of
glucose in the blood
stream.
Required for the
development and
maintenance of the female
reproductive system.
Word bank:
a.
b.
c.
d.
e.
Adrenaline
Estrogen
Hypothalmus
Insulin
Ovaries
f.
g.
h.
i.
j.
Pancreas
Liver
Pitiutary Gland
Testes
Testosterone
k.
l.
m.
Thyroid
Thyroxine
Uterus