sapling learning Which of the following statements regarding DNA replication are

Question

sapling learning Which of the following statements regarding DNA replication are true? There is more than one correct answer, select all that apply. New nucleotides add the to 5' hydroxyl of the growing DNA molecule. O direction on takes place in the 5 to 3' direction on the leading strand and in the 3' to 5' the lagging strand. Replication Eukaryotic chromosomes have more than one origin of replication. Replication usually takes place in the 5' to 3' direction. Leading strand fragments (Okazaki fragments) are synthesized semi-discontinuously and must be joined by DNA ligase. Mapdea

Explanation / Answer

1. New nucleotides add to the 35 hydroxyl of the growing DNA ------> FLASE (nucleotides add to the 3' hydroxyl of the growing DNA).

2. Replication take place in the 5' to 3' direction on the leading strand and in the 3' to 5' direction on the lagging strand. --------> TRUE

3. Eukaryotic chromosomes have more than one origin of replication ------------> TRUE

4. Replication usually take place in the 5' to 3' direction -------------------------------> TRUE.

5. Leading stand fragments (okazoki) are synthesised semi-discontinuously and must be joined by DNA ligase -----> FALSE (Lagging stand fragments (okazoki) are synthesised seni-discontinuously and must be joined by DNA ligase)

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