Ch 3 Quiz

Question 1

Know, in template-directed polymerization, which of the following processes involve hydrogen bonding, and which involve covalent bonding.

Breaking of two phosphates off of the 5’ Carbon

Answer 1

Covalent Bond

Question 2

Know, in template-directed polymerization, which of the following processes involve hydrogen bonding, and which involve covalent bonding.

Attraction of A to U and G to C

Answer 2

Hydrogen bond

Question 3

Know, in template-directed polymerization, which of the following processes involve hydrogen bonding, and which involve covalent bonding.

Addition of a new monomer

Answer 3

Covalent bond

Question 4

Know, in template-directed polymerization, which of the following processes involve hydrogen bonding, and which involve covalent bonding.

Process that determines complimentary base pairs

Answer 4

Hydrogen bond

Question 5

What ingredients did Spiegelman include in the test tube at the very start of his experiment.

Answer 5

Single species of RNA, protein enzymes, all 4 monomers

Question 6

What does a catalyst do?

Answer 6

A catalyst speeds up a particular chemical reaction

Question 7

Explain why the three-dimensional shape of RNA or protein is so important.

Answer 7

The 3-D shape lets the RNA/Protein catalyze a reaction

Question 8

What gives any single-stranded RNA molecule its three-dimensional shape?

Answer 8

The internal base pairs give it a 3-D shape

Question 9

Define a ribozyme

Answer 9

An RNA strand that is capable of catalyzing reactions