In the field of plant transgenics, the use of the bacterium Agrobacterium tumefaciens has proven useful because the
bacterium:a.
is not attacked by plant immune systems.
b. has been genetically engineered to penetrate the plant cell wall.
c. can directly modify the plant genome.
d. is found naturally in almost all species of plants.
e. is able to transfer a plasmid into host plant cells
e
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Approximately _____ percent of human births in the U.S. are the result of in vitro fertilization
a. 0.5 b. 1.5 c. 5 d. 10 e. 25
A sign is
A. measurable by health care personnel. B. a subjective indication of disease. C. malaise and body aches. D. an objective indication of disease. E. an objective indication of disease that is measurable by health care personnel.
Zara has worked for 40 years at a garden center, where she often potted plants. In the early days, she frequently worked with vermiculite, an asbestos-like material
Which organelles are most likely to have destabilized membranes as a result of exposure to vermiculite? A) nuclei B) mitochondria C) Golgi complexes D) lysosomes
Plasmids that have genes for pili and can transfer copies of themselves to other bacteria during conjugation are called ________ plasmids.
Fill in the blank(s) with the appropriate word(s).