During pollination of flowering plants, pollen lands on the:a
stigma.
b. style.
c. carpel.
d. anther.
e. filament
A
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Which of the following mechanisms uses high-velocity microprojectiles, coated with DNA, to produce a transgenic plant?
A. A. tumefaciens B. Electroporation C. Microinjection D. Biolistic gene transfer
Transformation is a process whereby:a
bacteria are transferred into plasmid cells. b. viruses are transferred into bacterial cells. c. plasmids are transferred into bacterial cells. d. bacteria are transferred into viral cells. e. plasmids are transferred into viral cells.
What type of tissue is bone and cartilage?
A. connective tissue B. muscle tissue C. nervous tissue D. epithelial tissue
The flu is an example of a virus that spreads through
A. horizontal transmission B. vertical transmission