Eukaryotes regulate gene expression at mRNA processing, which does not happen in prokaryotes. Why?
A. prokaryotic mRNAs have too many introns
B. prokaryotes do not produce mRNAs
C. prokaryotic mRNA are destroyed extremely fast
D. prokaryotes start translation before transcription ends
Answer: D. prokaryotes start translation before transcription ends
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The entire complement of RNA produced under a given set of conditions is called a(n)
A) array. B) genome. C) proteome. D) transcriptome.
Which of the following is NOT a description of sustainability?
a. sustainability means managing resource use today to ensure a vibrant and successful future for others b. sustainability means living in a way that resource use does not exceed the biocapacity of Earth c. the concept of sustainability means different things to different people and can be difficult to define and measure d. sustainability is a concept that only applies to the actions of tree huggers or environmentalists e. sustainability describes the ways humans use Earth's resources
One of the objects of desensitization procedures is to
A. Control transplantation rejection B. Increase the level of IgE in the vascular system C. Stimulate the production of interferon D. Destroy immune complexes that may have formed in the blood vessels E. Reduce the number of basophils and mast cells to which IgE attaches
?In rapidly dividing cells, expression of BRCA1 and BRCA2 genes is the highest during the ____.
a. mitosis to cytokinesis transition
b. G1/S transition and into S phase
c. G2/mitosis transition
d. S/G2 transition
e. metaphase to anaphase transition