Which of the following is true of Agrobacterium tumefaciens?
A. It can enter plants through unbroken leaf tissue.
B. It is capable of nitrogen fixation.
C. It causes crown gall disease when it carries a tumor inducing (Ti) plasmid.
D. All of the choices are correct.
Answer: C
You might also like to view...
If the phenotype of pea pod color is determined by incomplete dominance then you would expect the F2 generation from an original cross of true-breeding blue stock with truebreeding yellow stock to be:
A. 25% yellow, 50% green, 25% blue. B. 67% green, 33% yellow. C. 67% blue, 33% yellow. D. 100% green. E. 100% blue.
Chemotaxis refers to the ability of a cell to
A. move in response to a chemical. B. move in response to light. C. transport desired molecules into a cell. D. halt movement in response to a chemical.
Vitamin D and ___________________ are two signaling molecules that use pathways similar to steroids to interact
with target cells. Fill in the blank(s) with the appropriate word(s).
The structure diagrammed in the figure is the _____
A) neuromast B) statocyst C) ommatidium D) olfactory bulb