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IRISSAK [1]
4 years ago
7

What are the two main differences between RNA and DNA nucleotides? What are three types of complementary base pairings in RNA? O

rder the pairs by the strength of the bond.
Biology
1 answer:
arsen [322]4 years ago
8 0

Answer:

DNA contains genetic information and codes for making proteins. RNA determines which traits are created, activated or deactivated carrying out the instructions from DNA.DNA cannot leave the cell nucleus while RNA can. DNA is in the shape of a double-helix, and RNA has only one strand.

The three types of complementary base pairings would be C(cytosine) with G(guanine) and U(uracil) and A(Adenine). *RNA uses Uracil intead of Thymine* and the strongest bonds are G with C since they produce more hydrogen bonds.

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How does synthesis of the leading strand differ from synthesis of the lagging strand during dna replication?
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Answer:

DNA replication is a process where the DNA is copied and replicates to produce the 2 identical copies of the molecule. Strands of DNA molecule work as a template for the production of complementary strands. The DNA splits synthesizing a fork. A new DNA is always synthesized in a 5' prime to 3' prime manner. Replication of both the DNA strands goes in two different ways.

1) Leading strands: It is a strand which is goes to the direction same as the replication fork movement and synthesized in 5'-3' prime direction. This strand formation is occurred as nucleotides are continuously added to the 3' prime end after polymerase reads the DNA template (original).

2) Lagging strands: It is a strand which is goes to the opposite direction as the replication fork movement and synthesized in 3'-5' prime direction. It is synthesized in fragments which are known as okazaki fragments. Lagging strand synthesis needs RNA primase.

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