Exam 12: Molecular Structure of Chromosomes and Transposition

Digestion with a low concentration of DNase I results in multiple sized fragments that represent the nucleosomes spaced along chromosomal DNA at intervals of approximately how many nucleotides? 

Which of the following is technically NOT part of the genetic information of a transposable element?

Where do kinetochores attach to chromosomes?

Overwinding of the DNA decreases the number of turns in the double helix,and thus results in supercoils in the DNA.

What is a nucleosome composed of?

The zigzag and solenoid models are associated with the ________ level of DNA organization.

The majority of the nonrepetitive genes in an organism are found in which of the following?

Long-terminal repeats are unique to which group of transposons?

What is a mechanism of condensation shared by both prokaryotes and eukaryotes?

About how many bases of DNA wrap around a histone complex?

The experiment by Noll,1974,supported the observation that histones were regularly spaced on chromosomes because

What is the lowest level of chromosome condensation?

Which enzyme is unique to the retrotransposons?

What is the highest level of chromosome condensation?

What is one reason why an amphibian,such as a salamander,might have a larger genome than a mammal,such as a chimpanzee?

Which of the following is found at the end of a eukaryotic chromosome?

How many types of histone proteins are there?

How many origins of replication are there in bacteria?

Areas of the chromosome that are highly condensed and transcriptionally inactive are called

A chromosome territory is defined as