Multiple Choice
A Paramecium "knows" when it has encountered a noxious substance and backs off to veer away.As a one-celled organism,how does it "know" to do this?
A) The macronucleus has DNA coding that determines this reaction.
B) The micronucleus is dedicated to controlling just such responses.
C) This cell is essentially a small neuron,or nerve cell.
D) This is a rather simple stimulus that changes the electrical potential difference across the cell membrane and depolarization of the membrane results in cilia reversing their direction of beating.
E) None of the choices is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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Q3: Which unicellular eukaryote is NOT correctly linked
Q4: What is found at the base of
Q5: Nutrition in unicellular eukaryotes is best described
Q6: "Red tides" are caused by massive blooms
Q8: The strange case of organisms that undergo
Q9: Ectoplasm<br>A)provides the vital force of life.<br>B)is cytoplasm
Q10: Which structure is NOT correctly linked to
Q11: Perhaps half of the U.S.population is infected
Q12: Which protozoan group has a complicated parasitic