By causing damage to a cellular component, X-rays, ionizing radiation, or chemicals can cause mutations. The sitE of this damage is

A. One or more amino acids in the crucial enzyme
B. The nuclear membrane
C. The protein structure of the ribosome
D. One or more nucleotides in the DNA molecule

Question 2
To synhesize large quantities of DNA fragments and then separate them, an enzyme and technology that can be used are, respectively

A.DNA polymerase and gel electrophoresis
B.ligase and karotyping
C. DNA polymerase and karotyping
D. Ligase and gel electrophoresis

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