DNA vs. RNA

Protein Synthesis

1

DNA vs. RNA

Double-stranded

Single-stranded

Sugar = deoxyribose Sugar = ribose

Thymine (no Uracil) Uracil (instead of Thymine)

Stays in nucleus

In nucleus & cytoplasm

One type

3 types: mRNA, tRNA, rRNA

Same copy in the cell Disposable copies all the time

2

3

Ribose vs. Deoxyribose

4

RNA

Many functions but mostly just protein synthesis (gene expression)

Types of RNA involved in gene expression:

messenger RNA, ribosomal RNA, and transfer RNA

5

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