What is the sequence of the complementary DNA strand of the sequence shown below. 5’….CCAGATTTCAGCG….3'? 单项选择题

A

5’….GCGACTTTAGACC….3’

B

5’….GGTCTAAAGTCGC….3’

C

5’…CGACTATTTCGAGG….3’

D

5’….CCAGATTTCAGCG….3'

E

5' ...CGCTGAAATCTGG...3'

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类似问题

Erwin Chargaff investigated the nucleotide composition of DNA. He analyzed DNA from various organisms and measured the relative amounts of adenine (A), guanine (G), cytosine (C), and thymine (T) present in the DNA of each organism. Table 1 contains a selected data set of his results. Table 1. Nucleotide composition of selected organismsample DNA from Organism %A %G %C %T %(G+C) %(A+T) Octopus 33.2 17.6 17.6 31.6 35.2 64.8 Chicken 28.0 22.0 21.6 28.4 43.7 56.4 Rat 28.6 21.4 20.5 28.4 42.9 56.0 Grasshopper 29.3 20.5 20.7 29.3 41.2 58.6 Wheat 27.3 22.7 22.8 27.1 45.5 54.4 Which of the following statements best explains the data set?

From the DNA sequence 5' ATGGCGT 3', what is expected to be its complementary DNA sequence?

The restriction enzyme EcoRI recognizes the sequence: 5'-G/AATTC-3' 3'-CTTAA/G-5' It cuts between the G and A as noted by the slashes. Following the digestion of chromosomal DNA and vector DNA with EcoRI, let's suppose that one fragment of chromosomal DNA gets inserted into a vector. No DNA ligase has been added. If both of the sticky ends of the chromosomal DNA fragment are binding to the sticky ends of the vector, what is holding these two pieces of DNA together?

What is the complementary DNA strand of 3’….ATGGCTTGA….5’?

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