Zusammenfassung der Ressource
Th1L03: Nucleic Acids
- Formed via dehydration reaction
- Polymers of nucleotides
- Pentose sugars, phosphate,
nitrogenous base
Anmerkungen:
- Back bone of RNA/DNA alternating sugar and
phosphate molecules
- NB of DNA: Adenine, guanine,
cytosine, thymine
- NB of RNA: Adenine, guanine, cytosine, uracil
- Pentose sugar: deoxyribose or ribose
- Hydrogen bonds formed between NB
- e.g. DNA, RNA
- DNA vs. RNA
- DNA is larger with a double stranded helical structural
- RNA is single stranded
- Biological functions
- RNA and DNA store genetic information
- mRNA
- Messenger RNA
- Copy of gene, template for protein synthesis
- Synthesised via transcription
- Synthesis of protein is based on the
encoded information on mRNA via
translation
- rRNA
- Ribosomal RNA
- Structural component of the ribosome meaning it is
involved in protein synthesis
- tRNA
- Transport RNA
- Transport molecule for amino acids to ensure
sequence of proteins encoded in mRNA is decoded