Biology, 27.07.2019 13:30 Derrick253
Some mercury-resistant bacteria can convert toxic forms of mercury to less toxic forms using the mer operon under transcriptional regulation the merr protein. what molecule would you predict binds to merr to cause it to act as a repressor or as an activator of transcription for this operon?
Answers: 1
Biology, 21.06.2019 23:30, iwantcandy2002
Considering the yellow and green pea color phenotypes studied by gregor mendel: a. what is the biochemical function of the protein that is specified by the gene responsible for the pea color phenotype? (1 point) b. a null allele of a gene is an allele that does not specify (or encode) any of the biochemical function that the gene normally provides (in other words, either no protein at all or only non-functional protein is produced from it). of the two alleles, y and y, which is more likely to be a null allele? (1 point) c. in terms of the underlying biochemistry, why is the y allele dominant to the y allele? (2 points) d. why are peas that are yy homozygotes green? (1 point) e. the amount of protein produced from a gene is roughly proportional to the number of functional copies of the gene carried by a cell or individual. what do the phenotypes of yy homozygotes, yy heterozygotes, and yy homozygotes tell us about the amount of sgr enzyme needed to produce a yellow color? explain your reasoning. (2 points)
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Biology, 22.06.2019 05:50, clairebear65
Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?
Answers: 1
Some mercury-resistant bacteria can convert toxic forms of mercury to less toxic forms using the mer...
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