The Ti Plasmid Has Been Genetically Engineered to Improve Its

question 20

Multiple Choice

The Ti plasmid has been genetically engineered to improve its utility as a cloning vector by all of the following except

• A) elements found in other vectors, such as selectable markers and multicloning sites have been added.
• B) genes responsible for resisting infection with B. thuringiensis have been added.
• C) nonessential regions, including tumor-inducing genes, have been deleted.
• D) genes required for the actual infection of the plant cell by the plasmid are retained.

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Definitions:

Prostaglandins

A group of physiologically active lipid compounds that have diverse hormone-like effects in animals.

Serotonin

A neurotransmitter involved in many functions, including mood regulation, digestion, and sleep.

Platelet Surface

The outer boundary of a platelet, which plays a crucial role in blood clotting and healing processes.

Coagulation Process

The sequence of physiological steps by which blood changes from a liquid to a gel, forming a blood clot.