A change in the chromosome number is called a point mutation.

A tRNA’s anticodon is 5’GGC3′. What amino acid is attached to it?  

Which of the following is a restriction placed on DNA polymerase?

Given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. (The * indicates the centromere.)   before A B C D * E F G H   after A B G F E * D C H

The RNA polymerase forms a closed complex during the process of elongation during transcription.

Which region of DNA contains the coding information for a protein in a eukaryote?

Chromosomal deletions and duplications are frequently the result of __________.

Which of the following indicates the correct order of these events? 

The fact that the helixes of the DNA strand are arranged in opposite directions gives DNA its __________ characteristics.

DNA polymerases are unable to replicate what areas of the chromosome?