All amino acids are based upon the same general structure which includes - ANSWER-an alpha carbon,
an amino group, a carboxyl group and a R group
There are 4 different substituents attached to the alpha-carbon, thus most amino acids are __. __ is the
only exception because its R group is H. - AN...
BCHM 307 Exam Questions| Already
Answered| GRADED A+
All amino acids are based upon the same general structure which includes - ANSWER-an alpha carbon,
an amino group, a carboxyl group and a R group
There are 4 different substituents attached to the alpha-carbon, thus most amino acids are __. __ is the
only exception because its R group is H. - ANSWER-chiral; gLYCINE
Amino acids have two possible ___ - ANSWER-stereoisomers
Enantiomers are a particular type of stereoisomers that are ____ - ANSWER-mirror images of one
another
Amino acids can be either __ (except glycine) - ANSWER-D or L - enantiomers
Proteins are made from __ amino acids - ANSWER-L
D- amino acids are found in ___ - ANSWER-bacterial cell walls and some antibiotics but are relatively
rare in nature
Hydrophobic (nonpolar) - ANSWER--Alanine
-Valine
-Leucine
-Isoleucine
-Proline
- Methionine
- Phenylalanine
- Tryptophan
-Glycine
, Polar, uncharged - ANSWER--Serine
- Threonine
-Cysteine
- Tyrosine
- Asparagine
-Glutamine
Polar, charged - ANSWER--Aspartic acid
-Glutamic acid
- Lysine
- Arginine
- Histidine
Organisms that can make all of the 20 amino acids - ANSWER-bacteria, yeast, and plants
Some amino acids are made directly from common metabolic intermediates.. alanine is made from ___ -
ANSWER-pyruvate
Some amino acids are made as products from long and complex pathways.. aromatic amino acids from
the ___ - ANSWER-shikimic acid pathway
The essential amino acids - ANSWER-1. Arginine
2. Histidine
3. Isoleucine
4. Leucine
5. Lysine
6. Methionine
7. Phenylalanine
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