What Is the Role of the Vir Genes on a Ti

question 26

Multiple Choice

What is the role of the vir genes on a Ti plasmid?

• A) to cause crow gall disease (virulence)
• B) to confer resistance to viral infection
• C) replication of the plasmid
• D) T-DNA transfer

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Definitions:

Venous Blood

Blood that is returning to the heart through the veins, characterized by a lower oxygen content and a darker color compared to arterial blood.

Arterial Blood

Oxygen-rich blood that is pumped from the heart to the rest of the body through arteries.

Intracellular Fluid

The fluid found inside cells, making up about 40% of the total body water in humans.

Plasma Concentration

The amount of a substance present in the plasma portion of blood.