Which of the following can be sensed by plants? I) gravity II) pathogens III) wind IV) light
A) only I and III
B) only I, II, and IV
C) only II, III, and IV
D) I, II, III, and IV
D
You might also like to view...
During a field trip, an instructor touched a moth resting on a tree trunk. The moth raised its forewings to reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings
One student answered that sensory receptors had fired and triggered a neuronal reflex culminating in the contraction of certain muscles. A second student responded that the behavior might frighten predators. Which statement best describes these explanations? A) The first explanation is correct, but the second is incorrect. B) The first explanation refers to proximate causation, whereas the second refers to ultimate causation. C) The first explanation is biological, whereas the second is philosophical. D) The first explanation is testable as a scientific hypothesis, whereas the second is not. E) Both explanations are reasonable and simply represent a difference of opinion.
Planes maintain an atmospheric pressure equivalent to about 8,000 feet to sustain ____
a. a stable temperature b. oxygen levels c. oxygen availability d. oxygen levels and availability e. oxygen availability and reduce buildup of carbon dioxide
The topical drug ________ inhibits protein synthesis in Gram-positive bacteria by preventing loading of isoleucine onto tRNA.
A. Amphotericin B B. Bacitracin C. Ciprofloxacin D. Mupirocin E. Tetracycline
The specificity of viruses to certain cells/tissues is known as:
A. Tropism B. Chemotaxix C. Pleiotrophic D. Transformation