What is plant tissue culture?
What will be an ideal response?
A small bit of plant is put in a nutritive material in culture dish, and the characteristics of that original plant part disappear, and an unorganized mass of cells called a callus develops. The callus is then broken up, and using a so-called "gene gun" the genes of interest hopefully are "shot" into the cells. Plant hormones are added, and the cells will ultimately differentiate into the parts of a plant embryo, and grow into a plant that has the gene incorporated in the DNA of all of the plant's cells.
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What key words does the question contain and what do they mean?
What will be an ideal response?
Newer, more expensive antimicrobials are always better to use than cheaper, older drugs.
Answer the following statement true (T) or false (F)
A main function of a plant's root system is to:
a. photosynthesize. b. absorb dissolved nutrients and water. c. absorb atmospheric carbon dioxide. d. capture sunlight. e. bear seed-containing fruits.
A good cloning vector:
A. should have a gene or genes that allows for selection of transformed host cells. B. should not be able to be cut by more than one restriction enzyme. C. should be readily degraded in the host. D. should not be capable of replication. E. should be large.