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
B
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Mendel's laws derive from
A) mitosis. B) meiosis. C) processes unique to pea plants. D) calculus and algebra.
Phytoremediation is ____
a. rotating crops so that soil minerals are replenished b. replacing eroded topsoil so that plants can grow in the soil again c. plowing under all or parts of crops to improve the soil d. the use of plants to remove pollutants from the environment e. replacing unwanted plants with plants useful to humans
The assumption that hunger is typically triggered by a decline in the body's energy reserves below their set point; assume that hunger and eating work in much of the same way as the thermostat-regulated heating system in a cool climate
What will be an ideal response?
Which of the following can be duplicated in a genome?
A) only DNA sequences B) only entire sets of chromosomes C) only entire chromosomes D) DNA sequences, chromosomes, or sets of chromosomes