Distinguish between RNA and DNA Bacteria And Immunity - Essay Example

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DNA and RNA both consist of chains of nucleotides, each composed of a sugar, a base and a phosphate. There are differences between them. ...........

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Distinguish Between RNA And DNA Bacteria And Immunity

DNA and RNA both consist of chains of nucleotides, each composed of a sugar, a base and a phosphate. There are differences between them.

Feature

DNA

RNA

Number of strands in the molecule

Two strands forming a double helix

One strand only

Type of sugar in each nucleotide

Deoxyribose

Ribose

Types of bases contained

A, C, G and T

A, C, G and U Uracil replaces thymine

(b)   Explain the process of DNA replication. \8\

DNA replication is a way of copying DNA to produce new molecules with the same case sequence. It is semi-constructive which means each molecule formed by replication consists of one new strand and one old strand  conserved.

Step 1

  • The DNA double helix is unwound and separated into strands by breaking
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