Endogenous opiates are
a. Peptides.
b. Amines.
c. Nucleic acids.
d. Carbohydrates.
Question 2
All of the following statements about dynorphin are true except which one?
a. Based upon amino-acid sequencing, dynorphins are more closely
related to the endomorphins 1 and 2 than they are to the endorphins
and enkephalins.
b. Dynorphins modulate in-coming pain impulses at both brain and
spinal-cord levels.
c. Dynorphins can be elevated in chronic pain syndromes.
d. In some situations, dynorphins can increase pain.
amino acids with single and three code
Stereoisomerism in α-amino acids
Activation of amino acids for incorporation into proteins
Unsaturated Fatty Acids
The Fate of Amino Acids in Your Body
Chemical structures and designations of the 20 amino acids