AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

DNA REPLICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Okazaki fragments are only found on the ____ strand.
A
Leading strand
B
Lagging strand
Explanation: 

Detailed explanation-1: -These are short DNA nucleotide sequences are discontinuously synthesized and further associated by ligase enzyme which gives rise to the lagging strand at the time of DNA replication. They are formed in the lagging strand by the initiation of the creation of a new RNA primer by primo some.

Detailed explanation-2: -Okazaki fragments are the part of lagging strands. They are short, newly synthesized DNA fragments formed on the lagging template strand during DNA replication.

Detailed explanation-3: -Okazaki fragments are present in both prokaryotes and eukaryotes. DNA molecules in eukaryotes differ from the circular molecules of prokaryotes in that they are larger and usually have multiple origins of replication.

Detailed explanation-4: -One strand at the replication fork is continuously synthesised in the 5′ to 3′ direction (leading strand) while the (lagging strand) second strand is discontinuously synthesised in the 3′ to 5′ direction in short fragments which are referred to as the Okazaki fragments.

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