Recombinant DNA Technology Uses a Number of "Tools" and Components

question 21

Multiple Choice

Recombinant DNA technology uses a number of "tools" and components. Match each of the following to its definition.
-restriction enzyme

• A)amplification of small pieces of DNA through a repeated series of cyclic biochemical reactions
• B)a chemical typically isolated from bacteria that cuts DNA at specific sites, frequently producing palindromic ends
• C)small, circular piece of DNA as vectors for transfer of DNA between organisms
• D)a chemical that binds fragments of DNA together
• E)a chemical facilitates the addition of nucleotides to a growing strand of DNA

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Definitions:

Biome

A region (often discontinuous) characterized by its climate and dominant vegetation.

Rainfall

The amount of precipitation, in the form of liquid water drops, that falls to the ground from clouds.

Corals

Marine invertebrates in the class Anthozoa that often live in compact colonies; they are major contributors to the physical structure of coral reefs.

Symbiotic

Symbiotic refers to a mutually beneficial relationship between two different organisms living in close physical association.