Medical Quiz

Topics: DNA Quiz

DNA replication occurs just before

A. translation

B. mitosis

C. transcription

D. respiration

Select your answer:
     


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Sickle cell anemia is a disease in which red blood cells become irregularly shaped. The disease is caused by the presence of an incorrect amino acid in a certain protein. The disease most likely occurred due to an altered sequence of nitrogenous bases in the –

A. original DNA in the nucleus.

B. transcribed mRNA strand.

C. tRNA on the ribosome.

D. complementary DNA strands.