Biology, 04.02.2020 12:54 Mattisback2285
Some transcription signals are located thousands of base pairs upstream of the gene they regulate. how does the distant signal initiate transcription? (2 points) activation of the transcription signal releases a secondary messenger that binds to the start codon and initiates transcription. long regions of dna can loop over to enable regulatory connections. the distance between the transcription signal and the gene allows for preprogrammed delays in the start of transcription. the region between the transcription signal and the gene is an exon that is spliced out following activation of the transcription signal.
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Biology, 22.06.2019 02:30
Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .
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Biology, 22.06.2019 14:00
Organelles found in plant cells that function through photosynthesis to produce glucose from carbon dioxide and water are called — question 21 options: chloroplasts guard cells photosynthons
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Biology, 22.06.2019 17:30
Astudent constructs a venom diagram to compare the organelle last in plant and animal cells which organelle should be listed under “both” in the diagram?
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Some transcription signals are located thousands of base pairs upstream of the gene they regulate. h...
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