Serotonin is derived from tryptophan.
a. true
b. false

a. True

Explanation:

All processes mediated by two biological components as fascinating as wonderful: tryptophan and serotonin. Moreover, both are closely related, because without an adequate level of tryptophan, serotonin synthesis would not be possible.

The impact of this amino acid (tryptophan) and this neurotransmitter (serotonin) on our mood, health and cognition are evident.

Serotonin, also called the happiness molecule, is derived from tryptophan and produced almost mostly by enterochromaffins, incredible cells that inhabit our intestinal mucosa.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.