Which of the Following Are Methods by Which Bacteria Can

question 35

Multiple Choice

Which of the following are methods by which bacteria can be induced to take up recombinant DNA molecules?

• A) Heat shock.
• B) DNA "guns" which spray the DNA at very high speeds.
• C) Electroporation
• D) Phage or virus infection.
• E) All of these are used to transform bacteria.

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Definitions:

Elastase

An enzyme that breaks down elastin, an important protein in connective tissue which provides elasticity.

Enzymatic Reaction

A chemical process catalyzed by enzymes, speeding up reactions in the cells.

Reactants

Reactants are substances initially present in a chemical reaction that are consumed during the reaction to form products.

Substrates

In biochemistry, substrates are the specific substances on which an enzyme acts to catalyze a chemical reaction, often converted into products.