Can someone explain to me how to do this problem?

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The lagging strand of a DNA molecule undergoing replication reads 3'CGCATGTAGCGA-5'. What is the code of the DNA that is the template for the complementary leading strand of this segment?

A. 3'CGCATGTAGCGA-5'

B. 5'-GCGTACATCGCT-3'

C. 5'-CGCATGTAGCGA-3'

D. 3'-GCGTACATCGCT-5'

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Specializes in NICU, ICU, PICU, Academia.

What are your thoughts? We are not going to give you the answer, but can perhaps help with what you are stuck on.

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The answer is A but i dont know why.

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Specializes in LTC.

I highly recommend going to the Khan Academy website and watching a FREE video about this, and anything you come across like this that you don't fully understand before your TEAS. They explain things so well, and each video is ~10 minutes. I used it a lot when preparing.

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Hello ddrftw I can help you out:-)

Problem: 3'CGCATGTAGCGA5'

Answer B: 5'GCGTACATCGCT3'

Take a 100 level Biology course and you should be able to answer questions like this:-)

I haven't taken the TEAS yet and this is helping me out for what to expect.

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