Amniocentesis poses increased risks to the fetus and mother
a. True
b. False
Indicate whether the statement is true or false
True
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Which of these events happens first in nearly all seed germination?
A) The cotyledons appear above ground, turn green, and photosynthesize. B) The radicle emerges from the seed, which permits the uptake of water and nutrients from the soil. C) The hypocotyl elongates to lift cotyledons above ground. D) Lateral roots develop and expand into surrounding soil.
The most accurate distinction between learning and memory is that
A. learning is the process of acquiring new information while memory is the retention of that information over time. B. memory does not require prior learning, while new learning cannot occur without it. C. both learning and memory are the process of acquiring new information. D. both learning and memory are the retention of information over time. E. memory is the process of acquiring new information while learning is the retention of that information over time.
According to the American Cancer Society, 30 pecent of all cancer deaths is due to
A. ultraviolet light exposure. B. automobile exhaust. C. industrial pollutants. D. pesticide and herbicide exposure. E. smoking.
The nutritional information on a cereal box shows that one serving of a dry cereal has 200 kilocalories. If one were to burn one serving of the cereal, the amount of heat given off would be sufficient to raise the temperature of 20 kg of water how many degrees Celsius?
A) 1.0°C B) 20.0°C C) 10.0°C D) 2.0°C E) 0.2°C