Which is incorrect about deuterostomes?
A. The blastopore becomes the animal's anus.
B. The archenteron outpockets to form coelom.
C. The commitment of embryonic cells to prescribed developmental pathways occurs later than in protostomes.
D. Embryonic cells cleave in a spiral pattern.
E. They are derived from the protostomes.
Answer: D
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Which organisms form the foundation of the carbon cycle?
A) anaerobic chemolithotrophs B) chemoheterotrophs C) chemoorganotrophs D) phototrophs
The complete genetic composition of an organism is called its
A. proteome. B. genome. C. transcriptosome. D. phenotype. E. None of these choices are correct.
If two phenotypically normal parents have six children, and two daughters and two sons have the same genetic disorder, that disorder is most likely to be ____
a. hemophilia b. cystic fibrosis c. Marfan syndrome d. muscular dystrophy e. color blindness
You are studying a plant with mutant, nonfunctional PIN proteins. Assuming this plant could otherwise develop normally, predict how you might expect this plant to respond to directional light.
A. The plant will move randomly. B. The plant will not move in response to light. C. The plant will bend away from the light. D. The plant will bend toward the light.