Which component distributes water and nutrients throughout the plant body?
a. ground tissue
b. vascular tissue
c. dermal tissue
d. root
e. shoot
ANSWER: b
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Predict how many molecules of carbon dioxide are produced from the mitochondrial "burning" of one molecule of glucose?
A) 1 B) 6 C) 12 D) Not enough information provided
Mendel was able to draw his ideas of segregation and independent assortment because of the influence of which of the following?
A) His reading and discussion of Darwin?s Origin of Species B) The understanding of particulate inheritance he learned from renowned scientists of his time C) His discussions of heredity with his colleagues at major universities D) His reading of the scientific literature current in the field E) His experiments with the breeding of plants such as peas
Most aquatic animals excrete ammonia, whereas land animals excrete urea or uric acid. What is the most likely explanation for this difference?
a. They have different diets. b. Land animals can get the energy needed to make urea or uric acid. c. Ammonia is very toxic, and it takes a lot of water to dilute it. d. Land animals cannot afford the energy needed to make ammonia. e. Fish need to get rid of ammonia, but land animals need it to live.
In stimulus detection, sensory receptor cells convert a stimulus into a(n)
A) neurotransmitter. B) enzyme. C) electric signal. D) astigmatism.