Stimulents, Biology

Assignment Help:

STIMULENTS -

It makes a person more wakeful, alert and active.

(i) Caffeine ( C8H10N4O2) -

It is 1,3,7-trimethylxanthine obtained from tea leaves (Thea sinesis) dried beans of coffee plant (Coffea arabica) & dried seeds of cacao plant (Theobroma cacoa).

It is white, crystalline, bitter alkaloid.

(ii) Cocaine (C17H21NO4) -

It is benzoylmethylecgonine, extracted from dried leaves & young twigs of the South American shrub Erythraxylon coca.

It is taken for excitement.

(iii) Crack -

It is highly potent smokable derivative of cocaine.

May cause complications such as heart and nasopharynx damage.

Crack is sold as ridged lengths called teeth or french fries.


Related Discussions:- Stimulents

Explain the principle of nelson-somogyi method, Explain the Principle of Ne...

Explain the Principle of Nelson-Somogyi Method? Glucose is estimated by Nelson-Somogyi method. We begin our study of this method by getting to know the principle involved in th

Determine the effective spring constant of the molecule, A Molecule of DNA ...

A Molecule of DNA is 2.17 um long. The ends of the molecule become strongly ionixed: negative on one end, positive on the other. The helical molecule acts like a spring and compres

What is ancylostomiasis, Q. What is ancylostomiasis? The Ancylostomiasi...

Q. What is ancylostomiasis? The Ancylostomiasis is a disease caused by the Necator americanus or Ancylostoma duodenale both hookworms belonging to the nematode phylum (roundwor

Define a technique of implant by using a tissue punch, Using a Tissue Punch...

Using a Tissue Punch The implant heads are located and using a suitable sized tissue punch(depending on the implant diameter), the tissue punch is used and takes a circular pie

A brief history of heart surgery, A brief history of heart surgery : The d...

A brief history of heart surgery : The dawn of Paediatric cardiac surgery was on August 26, 1938 when Robert, Gross, at the boston Children's Hospital, ligated ductus arteriosus

Explain two divisions of meiosis, Q. What are the two divisions of meiosis ...

Q. What are the two divisions of meiosis and what are the major events that occur in those divisions? Meiosis is divided into first meiotic division, or meiosis I, and second m

Explain the main benefits of canned foods, Explain the Main Benefits of Can...

Explain the Main Benefits of Canned Foods? The main benefits of canned foods are: (a) They are safe and hygienic and have logically good nutritional value; (b) They are e

Mollusca, family ,genus, class order , species of mollusca

family ,genus, class order , species of mollusca

Define larval stage of taenia cystcercus, Define Larval Stage of Taenia Cys...

Define Larval Stage of Taenia Cystcercus? The pork tapeworn (T: solium) and beef tapeworn (T : saginata , which are endoparasites of humans who are the final hosts

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd