'Biosynthetic precursor' presentation slideshows

Biosignaling

1.88k views • 71 slides

Ch. 20: Chemical Messengers: Hormones, Neurotransmitters, & Drugs

Ch. 20: Chemical Messengers: Hormones, Neurotransmitters, & Drugs. Body Chemistry. regulated by two major systems: endocrine system depends on hormones (chemical messengers that circulate in the blood stream) nervous system primarily relies on electrical impulses in the nerve cells.

1.03k views • 67 slides

26.11 Steroids: Cholesterol

26.11 Steroids: Cholesterol. Structure of Cholesterol. Fundamental framework of steroids is the tetracyclic unit shown. CH 3. CH 3. CH 3. CH 3. CH 3. H. H. H. HO. Structure of Cholesterol. Cholesterol has the fundamental steroid skeleton modified as shown. Structure of Cholesterol.

414 views • 32 slides