They are oriented at 45 degrees. Either A or B is true. T or F Ethylene is naturally synthesized in stem cells. Both A and C 15. A. Caffeine B. Nicotine C. Vinblastine D. Rubber 16.
Some hormones promote growth.
A. A plant will not be resistant to cold temperatures if it is growing rapidly. If a plant grows too long, it will be weak and fall over in a gentle breeze. Both A and B are correct. Neither A nor B are correct. A. Spray the plant with abscisic acid.