903 cards
When the glycosidic bond occurs between glucose molecules, it is known as a ____ bond.
Cellulose has ____ linkage.
____ has ß-1,4' glyco sidic linkage.
Amino acids are defined by having both an ____ functional group attached to the central carbon.
The ____ on another amino acid.
The amine on one amino acid acts as a ____ to attack the carbonyl of the carboxylic acid on another amino acid.
Amide bond, is known in biology as a ____ bond.
____ bond, is known in biology as a peptide bond.
Peptide bond formation is a typical nucleophilic ____ reaction, with an alcohol as the leaving group.
Peptide bond formation is a typical nucleophilic substitution, or technically a (addition + elimination) reaction, with a____s the leaving…
All amino acids also have a ____ attached to the central carbon.
R group gives the amino acid its ____.
____ gives the amino acid its biochemical properties and its stereochemistry.
The only non-chiral amino acid is ____.
The absolute configuration around the central carbon of an amino acid is ____.
The only amino acid with R absolute configuration is ____.
The only amino acid with ____ absolute configuration is Cysteine.
Amino acids found in the body are referred to as ____ amino acids.
Amino acids can be synthesized de novo via the ____r synthesis.
____ can be synthesized de novo via the Gabriel or Strecker synthesis.
Amino acids can be synthesized ____ via the Gabriel or Strecker synthesis.
At the beginning of the Gabriel synthesis, a nitrogen is protected in a ____ from occurring.
At the beginning of the Gabriel synthesis, a ____ is protected in a phthalimide (analogous to a di-amide) to prevent more than one alkylati…
At the beginning of the ____, a nitrogen is protected in a phthalimide (analogous to a di-amide) to prevent more than one alkylation from o…
During the ____ the bromide on diethyl-bromomalonate.
During the first step of Gabriel synthesis, ____e on diethyl-bromomalonate.
During the first step of Gabriel synthesis, nitrogen acts a nucleophile and substitutes the bromide on ____.
In the second step of Gabriel synthesis, a very unusual step, a ____.
In the s____tep of Gabriel synthesis, a very unusual step, a hydrogen leaves the middle carbon of diethyl-bromomalonate.
After hydrogen leaves middle carbon of diethyl-bromomalonate in Gabriel synthesis, that carbon becomes a ____.
In step three of Gabriel synthesis, the ____.
In step three of Gabriel synthesis, the nucleophilic carbon undergoes ____ with a new alkyl halide.
In step ____ of Gabriel synthesis, the nucleophilic carbon undergoes nucleophilic substitution with a new alkyl halide.
During the fourth and final step of Gabriel synthesis, the nitrogen is hydrolyzed from the phthalimide by a____, to form a free amino acid.
During the ____ step of Gabriel synthesis, the nitrogen is hydrolyzed from the phthalimide by acid and water, to form a free amino acid.
During the fourth and final step of Gabriel synthesis, the nitrogen is hydrolyzed from the phthalimide by acid and water, to form ____.
During the fourth and final step of Gabriel synthesis, the ____ by acid and water, to form a free amino acid.
In ____, an aldehyde is mixed with potassium cyanide and ammonium chloride.
In Strecker synthesis, ____.
In the first step of Strecker synthesis, the cyanide anion acts as a ____ toward the carbonyl, resulting in cyanohydrin molecule, only init…
In the ____ step of Strecker synthesis, the cyanide anion acts as a nucleophile toward the carbonyl, resulting in cyanohydrin molecule, onl…
In the first step of Strecker synthesis, the cyanide anion acts as a nucleophile toward the carbonyl, resulting in ____, only initially.
In the first step of Strecker synthesis, the ____, resulting in cyanohydrin molecule, only initially.
In the second step of Strecker synthesis, nucleophilic substitution occurs at the cyanohydrin and ____ is formed.
In the second step of Strecker synthesis, nucleophilic substitution occurs at the ____ and α-aminonitrile is formed.
In the second step of Strecker synthesis, nucleophilic ____ occurs at the cyanohydrin and α-aminonitrile is formed.
In the s____tep of Strecker synthesis, nucleophilic substitution occurs at the cyanohydrin and α-aminonitrile is formed.
In the third step of Strecker synthesis, strong acid in water protonates the ____
In the third step of Strecker synthesis, ____ protonates the nitrile group, turning it back into its carboxylic acid form.
In the ____ step of Strecker synthesis, strong acid in water protonates the nitrile group, turning it back into its carboxylic acid form.
Fatty acids are ____ group at one end.
____ are long, even-numbered carbon chains with a carboxylic acid group at one end.
Fatty acids are ____.
The pK a of most fatty acids is around ____.
Most fatty acids exist in their ____ form in the cellular environment.
____ consist of one glycerol molecule and three fatty acids.
Triglycerides consist of ____.
In the formation of a triglyceride, the ____.
Formation of a triglyceride results in ____ bonds.
The formation of lipids is called ____.