Upper, lower, lower QUESTION 7 ONA is double stranded, but only one strand is us

Question

Upper, lower, lower QUESTION 7 ONA is double stranded, but only one strand is used as a template for transcription How does the cellular machinery determine which the best answer S peins O a. The sequence of the DNA that will be transcribed determines which strand will be used O b It always starts on the 5 end. c. it always starts on the 5' end closest to the centromere. o d. The location and orientation of the promoter determine which strand will be used. QUESTION 8 ts below is most consistent with the DNA being single-stranded DNA rather than double-ctranded You analyze the nucleotide content of 0 a. G-30%. A-20%, C-30%, T-2090 b. G-30%. A-30%, C-20%, T-20% O c. G-4096, A-10%, C-40%, T-10% d-A+ 1 896, G-32%. C-32%, T-1 896 DNA

Explanation / Answer

7.

Answer: d

because the RNA polymerase enzyme always works at 3' end of DNA to transcribe from 5' ----3'. and it is a DNA dependent RNA polymerase enzyme. So molecular machine 'central dogma' works here using promoter and terminator codon.

8.

Answer: b (G= 30% , A= 30% ,C=20% ,T= 20%)

though single-stranded DNA never follows chargaff's rule (number of A=T, and number G=C)

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