Question

1)code for a strand of DNA: 3'-AAT AAT AAT-5', write the code for a complementary sequence of DNA.

2)code for a strand of DNA:3'-CGA CGA CGA-5',write the code for a complementary sequence of RNA.

3)The virus nucleic acid was incorporated into the kidney cells DNA between the following sequences: ATA ATA ATA ATA. When the virus incorporated its DNA into the kidney cell DNA, the sequence read: ATC CCC AAT AAT AAT A
What was the DNA sequence of the virus DNA?

Answer 1

1. 3’-ATT-ATT-ATT-5’
2. 3’-UCG-UCG-UCG-5’
3. CCCC