Tolerance to ADD medications can occur. ADD medications can help increase the levels of neurotransmitter in the synapse.
Nonmedical use of ADD medications can cause symptoms known as "the crash" after the initial flood of neurotransmitter wears off.
ADD symptoms may be caused by altered levels of neurotransmitter.
Amphetamine use can cause increased alertness and mental focus.

Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc

Which organism can most likely be classifild as domain bateria

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root