Most of the brain's excitatory ionotropic synapses use the neurotransmitter glutamate.
The best correct answer is C.
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Answer:
1 plus 1 + 2= 8 ur welcome ;]
Explanation:
Option C would be correct. The organ system can plays many parts at one time. Also, it is the only system listed.
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Answer Internal and external environmental factors, like gender and temperature, influence gene expression. ... Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.
Explanation:
