Which category of plant second metabolites includes stimulants like caffeine, nicotine, and cocaine?
A. alkaloids
B. phenolics
C. tannins
D. terpenes
E. cyanogenic glycosides
Answer: A
You might also like to view...
Plants, animals, and fungi are complex multicellular organisms we encounter all the time. In which order did these groups of organisms likely appear on the planet?
A. animals, then land plants, then fungi B. fungi, then land plants, then animals C. fungi, then animals, then land plants D. land plants, then animals, then fungi E. land plants, then fungi, then animals
Which group of organisms will have a gizzard that will help mechanically grind up food?
a. Humans b. Cattle c. Hawks d. Fish e. Anemone
Which of the following is/are NOT TRUE about anal stimulation?
a. Using more than one condom is essential in performing anal intercourse. b. Analingus is oral stimulation of the anus. c. For anal intercourse the inserting partner needs to keep the penis or object tilted in the direction of the colon d. It is essential that sex toys inserted into the anus for anal stimulation have a larger base than tip to avoid it become trapped inside of the anal sphincter. e. Answers a and b are NOT TRUE
Essential amino acids are amino acids that cannot be synthesized by an organism and so must be provided as nutrients
Indicate whether the statement is true or false