Most scientists agree that global warming is underway; thus, it is important to know how plants respond to heat stress. Which of the following would be a useful line of inquiry to try and improve plant response and survival to heat stress?
A) the production of heat-stable carbohydrates B) increased production of heat-shock proteins C) the opening of stomata to increase evaporational heat loss D) protoplast fusion experiments with xerophytic plants E) all of the above