Which molecules are not part of the open promoter complex?
A) Helicase
B) Transcription factors
C) RNA polymerase
D) Double helix DNA
A
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The production of pollen, seeds, and flowers attributed to the widespread distribution of angiosperms. Why is the production of seeds an advantage?
A. It allows fertilization in the absence of water. B. It protects and nourishes the embryo. C. It promotes pollination. D. It allows fertilization in moist areas. E. It is necessary for sexual reproduction.
Suppose a group of researchers analyzed a new species of flowering plant. In this species, flower color is determined by two genes. They crossed a truebreeding red-flowered stock with a truebreeding white-flowered stock. They then crossed the F_1 offspring together and analyzed the next generation. Upon examining the flower color, they found that the F_2 generation contained 178 purple, 60 red, and 80 white flowers. What genetic term best describes the inheritance pattern of flower color for this species?
a. genes in one pathway b. no gene interaction c. dominant epistasis d. recessive epistasis
Recount the evidence that Dolly the sheep was indeed the product of cloning, or cell fusion
What will be an ideal response?
What is the composition of the genetic material?
What will be an ideal response?