Answer:
A. Producer Primary comsumer Secondary consumer
the answer is b, faster through steel than through air.
Answer:
One type of control that occurs at the DNA level is the regulator genes. The regulator genes synthesize a repressor molecule that binds to the operator and stops transcription of the structural genes. Whenever there is enough amount of structural genes made, a repressor molecule will bind to the operator region and stop further transcription.
One type of control that occurs at the RNA level is RNA splicing. By this method, different proteins can be made by a single RNA transcript.
Answer:
tell teacher, dispose, first aid kit
If there is no antigen the blood group is 0 !!
extra info ; if both antigen - AB