Bits of DNA that literally jump from one chromosome to another are
A. pseudogenes.
B. introns.
C. tandem clusters.
D. transposable elements.
Answer: D
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Refer to the study by Poulsen et al. and the figure above. Cultures of a species of diatom were treated with BDM, a reversible inhibitor of myosin function
Which of the following predictions is consistent with the hypothesis that an actin-myosin interaction is necessary for motility? A) BDM will significantly decrease motility of the cells in culture. B) BDM will not significantly alter motility of the cells in culture. C) BDM will significantly increase motility of the cells in culture.
Analysis of the genome and transcriptome of the highly radiation resistant bacterium Deinococcus radiodurans has revealed all of the following EXCEPT
A. genes whose products are involved in DNA replication and recombination are dramatically up-regulated after irradiation. B. genes whose products are involved in cell wall metabolism and cellular transport are dramatically up-regulated after irradiation. C. it has more DNA repair genes than E. coli. D. its genome consists of two circular chromosomes and two plasmids.
Areas of the cerebrum where integration occurs and where memories are stored are called __________ areas.
Fill in the blank(s) with the appropriate word(s)
In a plant, analysis of Rubisco reveals that, in some proteins, rbcL is deficient while rbcS is normal. In other Rubisco proteins, both rbcL and rbcS are normal. What does this indicate about the two genes encoding these subunits?
What will be an ideal response?