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Review Worksheet - Test #2
Macromolecules
Fill in the blank
1. Starch is a polymer made out of many of the same monomers. The specific monomer is
called a ______________.
2. All macromolecules contain the following elements: _______________( you can write
their atomic symbol or their names)
3. The process used to create a dimer from two monomers is _________________.
4. The process used to break down a dimer into two monomers is _________________.
5. A non-competitive _______________ acts by changing the shape of the
______________ of an enzyme. It does so by attaching to the __________________.
6. An enzyme increases the speed of a reaction by lowering the ____________________
needed for the reaction to happen.
7. The organ(s) in the mouth responsible for creating amylase are
_____________________.
8. In order to prevent heartburn, the ___________________________closes the opening
between the _______________ and the esophagus.
9. The two primary functions of the _____________________ are digestion and
absorption.
10. One of the main reasons that taking Henrietta Lacks’ cells was unethical was because
the doctor did not have her ________________.
Diagrams
Identify which type of macromolecule is being shown
Diagram
Macromolecule
Type of macromolecule:
Support:
Type of macromolecule:
Support:
Type of macromolecule:
Support:
Type of macromolecule:
Support:
Type of macromolecule:
Support:
Type of macromolecule:
Support:
Questions
1. Why is water an essential molecule needed by the digestive system?
Answer:
2. Acids are a category of molecule that affect hydrogen bonds. Given this knowledge
explain why certain enzymes stop working in acid. Please be sure to use vocabulary
words from our lessons on enzymes to help support your answer.
Answer:
3. A person is in a car accident and hits their head. They are bleeding. They are having
trouble understanding what is going on and cannot remember their name. In the
hospital the doctor wants to give them stitches, but the person refuses and starts to fight
the doctor. According to medical standards, the doctor should get the patient held down
by staff at the hospital and give the person stitches. Based on our knowledge of the
ethics of scientific research, why do you think this is?
Answer:
4. Researchers are studying a new species of organism found deep in a rainforest. They
discover that this organism has a new type of amino acid.
a. How can they be sure it is an amino acid?
b. What would make this amino acid unique?
Answer:
5. Helicase is a molecule that breaks the hydrogen bonds between nitrogenous bases in a
particular macromolecule.
a. What type of molecule is helicase? Support your answer
b. What type of macromolecule does helicase effect? Support your answer
c. What specific molecule does this affect? Support your answer
Answer: