RNARNA

Ribonucleic AcidRibonucleic Acid– R- RiboR- Ribo– N- NucleicN- Nucleic– A- Acid A- Acid

RNA- StructureRNA- Structure

Nucleotide Nucleotide – The monomer of RNAThe monomer of RNA– Consists of 3 parts Consists of 3 parts

Nucleotide Part 1Nucleotide Part 1

5 carbon sugar5 carbon sugar– RiboseRibose

Nucleotide Part 2Nucleotide Part 2

Phosphate groupPhosphate group

Nucleotide Part 3Nucleotide Part 3

Nitrogenous bases- 4Nitrogenous bases- 4– PurinesPurines

Adenine (A) Adenine (A)

Guanine (G)Guanine (G)

Nucleotide Part 3Nucleotide Part 3

Nitrogenous basesNitrogenous bases– Pyrimidines Pyrimidines

Uracil (U) (replaces T of Uracil (U) (replaces T of DNA)DNA)

Cytosine (C)Cytosine (C)

StructureStructure

Nucleotides form a Nucleotides form a single strandsingle strand

Types of RNA (p 205)Types of RNA (p 205)

mRNA- messenger mRNA- messenger RNARNA– Copies and carries the Copies and carries the

code/message from code/message from DNA to the ribosome DNA to the ribosome in a cellin a cell

– Contains a codon (3 Contains a codon (3 letter sequence)letter sequence)

Types of RNA (p 205)Types of RNA (p 205)

tRNA- transfer RNAtRNA- transfer RNA– Picks up and carries Picks up and carries

the amino acids from the amino acids from the cytoplasm to the the cytoplasm to the ribosomeribosome

– Contains an anticodon Contains an anticodon (3 letter sequence (3 letter sequence matching a codon)matching a codon)

Types of RNA (p 205)Types of RNA (p 205)

rRNArRNA– ribosomal RNAribosomal RNA– Makes up most of Makes up most of

ribosomeribosome

Comparison of DNA & RNA Comparison of DNA & RNA (p 205)(p 205)

5 carbon sugar5 carbon sugar– DNA- deoxyriboseDNA- deoxyribose– RNA- riboseRNA- ribose

Comparison of DNA & RNAComparison of DNA & RNA (p 205) (p 205)

# of strands# of strands– DNA- double strandDNA- double strand

– RNA- single strandRNA- single strand

Comparison of DNA & RNAComparison of DNA & RNA (p 205) (p 205)

Nitrogenous basesNitrogenous bases– DNA- A-DNA- A-TT, C-G, C-G

– RNA- A-RNA- A-UU, C-G, C-G

Comparison of DNA & RNAComparison of DNA & RNA (p 205) (p 205)

Types-Types-– DNADNA– RNARNA

m- messengerm- messenger

t- transfert- transfer

r- ribosomalr- ribosomal

Comparison of DNA & RNAComparison of DNA & RNA (p 205) (p 205)

LocationLocation– DNA- nucleusDNA- nucleus– RNA- nucleus, RNA- nucleus,

cytoplasmcytoplasm

Protein Synthesis & WordsProtein Synthesis & Words

Obtain a list of Obtain a list of words.words.

Put together some Put together some sentences using the sentences using the list of words. Make list of words. Make your sentences at your sentences at least 8 words long.least 8 words long.

All Images- Clip ArtAll Images- Clip Art