Chapter 3: Macromolecules and the RNA World

1.	Stanley Miller showed experimentally that complex, carbon-containing compounds could form from the simple molecules present in the early Earth’s atmosphere and oceans. Based on Miller’s experiment, was the energy source that permitted these complex molecules to form. [Hint]
2.	Amino acids are the building blocks of . [Hint]
3.	There are twenty different amino acids. All amino acids have a(n) ______ functional group and a(n) ______ functional group, but vary in their ______ group. [Hint]
4.	All amino acids except glycine are [Hint]
5.	Which is NOT a component of a nucleotide? [Hint]
6.	Monomers join together to form polymers via reactions. [Hint]
7.	The condensation reaction joining two amino acids together forms a [Hint]
8.	The structure of a protein is the sequence of amino acids. [Hint]
9.	Which of the following statements regarding proteins is correct? [Hint]
10.	What condition(s) will speed up the rate of a chemical reaction? [Hint] To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
11.	Which of the following statements regarding sugars is correct? [Hint]
12.	can both catalyze chemical reactions and carry information to copy itself. [Hint]
13.	Which statement about DNA is NOT correct? [Hint]
14.	Each nucleotide has one nitrogenous base, either a purine with a double ring structure or a pyrimidine with a single ring. Which statement is true regarding complementary base pairing? [Hint]
15.	______ were the scientists who determined the double helix structure of DNA. [Hint]
16.	Due to complementary base pairing, form(s) a secondary structure called the hairpin loop. [Hint]
17.	Short nucleic acids, which are often used experimentally, are called [Hint]
18.	Bartel and Szostak demonstrated that RNA can catalyze a reaction, joining two RNA molecules together. [Hint]
19.	A random change in the sequence of RNA or DNA is a . [Hint]
20.	Gradual change in the structure and functions of organisms over time is [Hint]
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