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Exam 18: Synthetic and Biological Polymers

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Question 1

True/False

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All amino acids are made of only carbon, hydrogen, and oxygen atoms.

A) True
B) False

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Question 2

Multiple Choice

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The number of amino acids that a human body cannot synthesize is ________.

A) 5
B) 10
C) 15
D) 20

E) A) and B)
F) B) and D)

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Question 3

Multiple Choice

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The number of amino acids that are used to build all proteins is ________.

Match the plastic with the monomer. -polypropylene oxide

Only 10 different amino acids are needed to build every type of protein molecule found in humans.

Nylon contains only one type of monomer.

Which is/are the starting reagent(s) required for the synthesis of Nylon 66?

Amino acids are the smallest building blocks for proteins.

The term used to describe a substance with a medium number of amino acids is ________.

Lysine is considered an essential amino acid.

What two functional groups are found at the ends of any protein structure?

Which of the following amino acids has more than one amine group?

The human body is able to synthesize as much of every type of amino acid as it needs.

Think for a moment about the terms "polymer" and "polysaccharide." Is it right to refer to polysaccharides as "nature's polymers"? Why or why not?

Match the plastic with the monomer. -Teflon

The monomer used to make Teflon is ________.

Cellulose and starch are both polysaccharides of glucose. Explain why humans can consume and digest starch but not cellulose.

Construct the complementary strand of this piece of a DNA molecule: G T A C C T T G G T A A T T G

Construct the complementary strand of this piece of a DNA molecule: T T A C C G T G C C A T A G C

DNA molecules contain codes from which proteins and other materials can eventually be synthesized.