A treatment for some forms of anemia is to take a drug that turns on transcription of fetal hemoglobin. This would increase the proportion of ________ globin chains.
A) alpha
B) gamma
C) delta
D) epsilon
B) gamma
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Macromolecules can be assembled into ________ that are components of organelles and other subcellular organelles.
Fill in the blank(s) with the appropriate word(s).
Which of the following carbon reservoirs contains the most carbon?
a. atmosphere b. biomass on land c. lakes d. oceans e. soil
________ of cytosine bases in mammals causes decreased accessibility of DNA to the transcriptional machinery, resulting in transcriptional repression
Fill in the blank with correct word.
cDNA libraries are desirable for the expression of eukaryotic genes in prokaryotes because a. prokaryotes have no mRNA. b. prokaryotes cannot remove introns. c. prokaryotes cannot remove exons. d. prokaryotes do not have the nucleotide thymine. e. prokaryotes can only use uracil.
What will be an ideal response?