Most atmospheric oxygen comes from photosynthesis. From which molecules is the oxygen derived?
A. water
B. glucose
C. chlorophyll b
D. chlorophyll a
E. carbon dioxide
Answer: A
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Mercury has both organic and inorganic forms that are neurotoxic
Indicate whether the statement is true or false.
Which of the following is not part of the peripheral nervous system?
A. sympathetic division of the autonomic nervous system B. spinal cord C. parasympathetic division of the autonomic nervous system D. somatic nervous system E. sensory pathways
Sensory input from eyes and ears travels in neurons to the brain. How is it that the different stimuli are
perceived as light and sound, respectively?
a. Light receptors send neural impulses more frequently than sound receptors. b. The sensory receptors themselves are different. c. The information from each type of receptor is sent to a different region of the brain. d. The physical location of the sensory receptors is different, ensuring a different "sense" is perceived in the brain. e. The neurons involved in the sensory pathways differ in shape and size.
As the RNA is being made, it is exported from the nucleus to the cytoplasm for translation.
Answer the following statement true (T) or false (F)