Match the phrase its definition DNA replication is semi-conservative [ Choose ]

Question

Match the phrase its definition

DNA replication is semi-conservative

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

DNA replication is bidirectional

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

replication fork

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

leading strand

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

lagging strand

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

DNA is antiparallel

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

DNA is complementary

      [ Choose ]            place in which the two strands of DNA are being unwound and replicated            the side of the DNA double helix that is synthesized continuously            replication proceeds from the origin of replication in both directions simultaneously            the side of the DNA helix that is synthesized using Okazaki fragments            during DNA replication one strand is derived from the original DNA and the other strand is newly synthesized            in the paired chains of the DNA helix adenine always binds thymine, and guanine always binds cytosine            the two chains in the double helix are oriented in opposite directions      

Explanation / Answer

DNA replication is called semi conservative as one of the parental strand is used as a template for the synthesis of new DNA strand with complementary base pairing. DNA replication always proceeds in 5'-3' direction and guided mainly by the enzyme DNA polymerase. The synthesis of one strand is continuous and known as leading strand while the another strand is synthesised in short sequences (okazaki fragment) known as lagging strand.The base pairing in DNA follow strict rule as A always pair with T by 2 hydrogen bond and G pair with C by 3 hydrogen bonds.

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