Which of the following statements about gene regulation concerning operons is incorrect? a) a negative repressible gene is controlled by a regulatory protein that inhibits transcription. b) for a gene under negative repressible control, a small molecule is required to prevent the gene's repressor from binding to dna. c) for a gene under positive repressible control, the normal state is transcription of a gene, stimulated by a transcriptional activator. d) a regulator gene has its own promoter and is transcribed into an independent mrna. e) presence of operons where genes of related functions are clustered is common in bacteria but not in eukaryotes.
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Biology, 22.06.2019 01:00, meandmycousinmagic
Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation
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Biology, 22.06.2019 04:00, tejasheree
Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti
Answers: 1
Which of the following statements about gene regulation concerning operons is incorrect? a) a negat...