Answer:
Helps the body make proteins and certain brain-signaling chemicals.
Explanation:
Your body changes L-tryptophan into a brain chemical called serotonin. Serotonin helps control your mood and sleep.
All of these are adaptations used to enable pr otists move except for B.spores , because they are used in asexual reproduction.
HOPE THIS HELPS YOU..!!
A small cell lived inside a larger cell to the benefit of both cells.
Hope this helps!
A. heterozygous
A homozygous dominant and a homozygous recessive parent will only produce heterozygous offsprings.