Genetics is central to biology because gene activity underlies all life processes, from cell structure and function to reproduction. The principles of heredity was initially established in the 19th century by:

How can i answer it, just by writing a sentence or what?

Hypoglycemia corresponds to a blood glucose lower than 0.60 g / l. his symptoms are: *a sudden energy drop.*nervousness, irritability, and tremors.*a pallor of the face.*sweats.*a headache.*nausea*palpitations.*an imperious hunger.*a state of weakness.*dizziness, drowsiness.*an inability to concentrate and an incoherent speech.*vagal discomfort signs of drug poisoning are variable depending on the substance taken. but for hypoglycemia, they affect the peripheral nervous system, then spread to the central nervous system if the blood glucose is very low, and this becomes a medical emergency.