Which of the following is NOT true of small effector molecules?
A. They can regulate gene transcription by binding a regulatory protein.
B. They can regulate gene transcription by binding to DNA.
C. They can cause a conformational change in a regulatory protein.
D. They can prevent a repressor from binding a gene region.
Answer: B
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Small pieces of DNA synthesized on the lagging strand are called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true in the pine life cycle?
a. Gametophytes originate within and are dependent upon sporophytes. b. Sporophytes originate within and are dependent upon gametophytes. c. Both gametophytes and sporophytes are totally independent from each other and are equally dominant. d. Gametophytes are free-living and photosynthetic, but are replaced by a dominant sporophyte generation. e. Gametophytes are photosynthetic and partially independent from the sporophytes.
When the proteins pull the sister chromatids apart it is called what?
What will be an ideal response?
In a well-designed experiment:
A) the prediction will most likely be true. B) you can prove your hypothesis to be true. C) the prediction will be highly probable if the explanation is correct. D) the null hypothesis will not be tested. E) only the researchers will know who is receiving a placebo.