alkaloid

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alkaloid summary

Discover

July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.

Will Light-Speed Space Travel Ever Be Possible?

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)

Cruel and Unusual Punishments: 15 Types of Torture

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

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Topics

sanguinarine piperine quinidine hyoscyamine indole alkaloid lysergic acid muscarine pilocarpine coniine bebeerine protein hormone lipid carboxylic acid hydrocarbon heterocyclic compound organosulfur compound nucleic acid carbohydrate steroid

Dig Deeper: More Articles That Discuss This Topic

opium: Opium alkaloids

Key People

Richard Willstätter

German chemist

Sir Robert Robinson.

Sir Robert Robinson

British chemist

Pierre-Joseph Pelletier

French chemist

Adams, Roger

Roger Adams

American chemist