Which of the following are not part of the shoot system?
A. leaves
B. stems
C. flowers
D. roots
E. fruits
D
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Why are cDNA libraries considered so valuable? What will be an ideal response?
Which of the following statements is false?
a. Cell migration during embryonic development is an example of chemotaxis. b. Embryonic neurons follow adhesive cells as they migrate. c. Cells continue migrating throughout the entire embryonic process. d. Morphogenesis depends upon local growth. e. Controlled cell death can be involved in morphogenesis.
High NADH concentration regulates pyruvate oxidative decarboxylation and the citric acid cycle by allosterically inhibiting interacting with each of the following enzymes except
A) pyruvate dehydrogenase. B) isocitrate dehydrogenase. C) ?-ketoglutarate dehydrogenase. D) malate dehydrogenase. E) succinate dehydrogenase.
The RB1 tumor-suppressor gene ____
a. controls the G2/M checkpoint b. controls the G1/S checkpoint c. is overactive in cases of retinoblastoma d. is overactive in cases of breast cancer e. is overactive in cases of leukemia