Biochem Flashcards
“All amino acids except except ______ are (S) configuration.”
“All amino acids except cysteine have (S) configuration.”
“Except for _______, all amino acids are chiral—and except for ______, all of them have an (S) absolute configuration.”
“Except for glycine, all amino acids are chiral—and except for cysteine, all of them have an (S) absolute configuration.”
Negatively Charged (Acidic) Side Chains Amino Acids.
“Those two are aspartic acid (aspartate), which is related to asparagine, and glutamic acid (glutamate), which is related to glutamine”
3 Positively Charged (Basic) Side Chains?
The remaining three amino acids have side chains that have positively charged nitrogen atoms. Lysine has a terminal primary amino group, while arginine has three nitrogen atoms in its side chain; the positive charge is delocalized over all three nitrogen atoms. The final amino acid, histidine, has an aromatic ring with two nitrogen atoms (this ring is called an imidazole).”
Structure of Alcohol and it’s group
Hydroxyl, R-OH
Ketone describe or draw
Ketone, Carbonyl, R-CO-R
Aldehyde draw structure describe, formula
Aldehyde RCOH
Carboxylic Acid
Carboxylic Acid, Carboxyl
Ether
Ether, ROR
Ester
Ester, RCOOR’
Amide
Carboxamide, RCONR2
Amines
Primary Amine RNH2
Tautomers describe
Tautomers are constitutional isomers of organic compounds that readily interconvert by a chemical reaction called tautomerization. This reaction commonly results in the formal migration of a hydrogen atom or proton, accompanied by a switch of a single bond and adjacent double bond.
What happens in G1 of Mitosis
First gap cell prepares to duplicate
What happens in S phase of Mitosis
Cell inters synthesis of DNA replication
