Studies on which experimental organism led to the discovery of the gene controlling development of the animal body plan?
a. Dictyostelium discoideum
b. Drosophila melanogaster
c. Xenopus laevis
d. Mice
Ans: b. Drosophila melanogaster
You might also like to view...
What kind of immune responses do insects have?
A) innate immunity only B) innate and adaptive immunity similar to that of vertebrates C) adaptive immunity only D) They have innate and adaptive immunity, but the adaptive immune system has fewer cells than that of vertebrates.
If a plant species exhibits maternal inheritance for leaf pigmentation, what is the phenotype of the parents of a variegated (green and white leaves) plant?
A. The maternal plant must be white and the paternal plant must be green. B. The maternal plant must be green and the paternal plant must be white. C. The maternal plant must be variegated and the paternal plant can be any color. D. Both the maternal and paternal plant must be variegated. E. The maternal plant must be variegated and the paternal plant must be white.
Which of the following steps in the Citric Acid Cycle produce a CO2?
1.malate to oxaloacetate 2.succinate to fumarate 3.isocitrate to alpha-ketoglutarate 4.succinyl CoA to succinate 5.citrate to isocitrate
Describe the series of steps required for an individual to be operant conditioned.
What will be an ideal response?