Who was the first scientist to purify a cytokinin, and what material was used for purification?
What will be an ideal response?
In 1955, Miller and coworkers were the first to report the identification of kinetin,
which was purified from aged herring sperm DNA.
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With commercial projects, because of the various materials that are available, the drafter usually spends several hours a week researching product information.
Answer the following statement true (T) or false (F)
Briefly describe the difference between how a generator and a motor work.
What will be an ideal response?
The main contribution of the Hatch Act of 1872 was to:
a. Provide public land and funds for universities b. Authorize experiment stations in states with land grant colleges c. Establish Vocational Agriculture in public high schools d. Set up the Cooperative Extension Service
The crankcase heater protects the compressor on startup by:
A) Keeping the oil warm so that it does not become too thick to lubricate properly. B) Vaporizing any liquid refrigerant that may enter the compressor during the OFF-cycle. C) Drying out any water in the oil. D) Providing an extra heat source, making the compressor's job easier.