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Deoxiribose
DNA
Ribose
RNA
Transcription
Position on DNA
Upstream
Downstream
performed by DNA-dependent RNA polymerase (III)
synthesizes 5' to 3'
reads 3' to 5'
ends at Stop Codon
starts at Promoter
messengerRNA
Prokaryotes
pre-mRNA
Exons
Expressed
Introns
Spliced out
snRNPSs
Poly-A-tail
3' end
5' cap
allows translation
increases stability
modified guanine
Eukaryotes
Translation
Steps
Termination
Stop codon reached
Elongation
Movements of tRNA from A site to P site
Polypeptide chain rows
Initiation
Starts at start codon
AUG
Ribosomes
ribosomalRNA
2 subunits
Large subunit
Small subunit
mRNA binding site
3 Active Sites
A site
holds amino acid
P site
growing polypeptide
E site
exit site
transferRNA
anticodon
Amino acids at 3' end
Clover shaped
translates codons
Pyrimidines
Thymine
Uracil
Cytosine
Purines
Guanine
Adenine
cis-unsaturated
trans-unsaturated
Phospholipids
Glycolipids
Oils
Fats
Steroids in reproductive processes
Progestagens
Androgens
Estrogen
Common Steroid Hormones
Progesterone
Testosterone
Estradiol
Amylopectin
Amylose
More than one amino acid chain
3D folding because of side chain interactions
Alpha helix
Beta pleated sheet
Chain of amino acids