As Unwinding of the Helix Occurs During DNA Replication,tension Referred

question 27

Multiple Choice

As unwinding of the helix occurs during DNA replication,tension referred to as_________ is created ahead of the replication fork.This tension is relieved by the action of_________ .

• A)supercoiling; single- stranded binding proteins
• B)processivity; DNA gyrase
• C)supercoiling; DNA gyrase
• D)supercoiling; DNA helicase
• E)processivity; primase

Describe the scope and limitations of a state's police power in regulating property for public welfare.

Understand the basic concepts of the cell cycle, including the phases and their importance.

Distinguish between mitosis and meiosis and their roles in cellular reproduction and genetic diversity.

Identify and explain the mechanisms of cyclin and cyclin-dependent kinases (Cdks) in the regulation of the cell cycle.

---

Definitions:

Bacteriophage

Type of virus that infects bacteria.

Emerging Disease

An emerging disease is a disease that has appeared in a population for the first time, or that may have existed previously but is rapidly increasing in incidence or geographic range.

Vector

In biotechnology, a plasmid or other DNA molecule that can accept foreign DNA and be replicated inside a host cell. In epidemiology, an animal that carries a pathogen from one host to another.

Reverse Transcriptase

An enzyme that catalyzes the formation of DNA from an RNA template, crucial for the replication of retroviruses.