What kinds of cells spend the most time in G0 phase?
a. gametes
b. nerve
c. epithelial
d. cancerous
b. nerve
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A mutation of a segmentation gene can result in all of the following EXCEPT
A. duplication of body parts B. missing body regions C. replacement of one body part with another D. altered expression of homeotic genes E. incorrect establishment of body axes
A species is a larger taxonomic group than a genus.
a. true b. false
disorder affecting colon and rectum which involves hardened feces
What will be an ideal response?
For your birthday, you get a robot-building kit with three parts: 1) a set of gadgets for detecting sound, touch, and light, 2) a set of motors that can move mechanical parts, and 3) a microprocessor that can be programmed to respond to inputs according to predetermined rules. You build a robot car, and find it surprisingly lifelike as it navigates around the room. The three parts of the kit are analogous which parts of the human body?
A. 1) autonomic nervous system, 2) somatic nervous system, 3) hypothalamus B. 1) sensory pathways, 2) motor pathways and muscles, 3) CNS C. 1) sympathetic pathways, 2) parasympathetic pathways, 3) CNS D. 1) motor pathways and muscles, 2) sensory pathways, 3) CNS