Multiple Choice
1. Which of the following is consistent with the theory of vitalism? (1 point)
Unselected answer (0 pts) All matter contains a vital force.
Unselected answer (0 pts) The chemistry of life and nonlife are similar.
Correct answer (1 pt) Living things contain a vital force absent in nonliving things.
Unselected answer (0 pts) Life must be sustained through a series of chemical reactions.
1 /1 point
The item below has been reviewed and is scheduled to be updated. All students will receive full credit for any response to the following.
2. Which of the following represents the correct order of events? (1 point)
Correct answer (1 pt) the element oxygen was discovered, urea was synthesized, proteins were crystallized, the structure of DNA was discovered
Unselected answer (1 pt) the structure of DNA was discovered, proteins were crystallized, the element oxygen was discovered, urea was synthesized
Unselected answer (1 pt) the element oxygen was discovered, proteins were crystallized, the structure of DNA was discovered, urea was synthesized
Unselected answer (1 pt) urea was synthesized, proteins were crystallized, the element oxygen was discovered, the structure of DNA was discovered
1 /1 point
3. Name classifications of matter used in 1600. (1 point)
Unselected answer (0 pts) natural and synthetic
Unselected answer (0 pts) metabolites and nonmetabolites
Unselected answer (0 pts) proteins, carbohydrates, lipids, and nucleic acids
Correct answer (1 pt) organic compounds and inorganic compounds
1 /1 point
4. Suppose an alien life form is discovered on another planet that takes in CH4 from the atmosphere. Which of the following could be used to determine what happens to the CH4 after the organism consumes it? (1 point)
Unselected answer (0 pts) chromatography
Correct answer (1 pt) radioactive tracers
Unselected answer (0 pts) x-ray diffraction
Unselected answer (0 pts) organic synthesis
1 /1 point
5. Suppose that Friedrich Wohler had not synthesized urea and that no other chemist was ever able to synthesize organic compounds in a lab. Which of the following would be true? (1 point)
Unselected answer (0 pts) DNA would not carry genetic information.
Unselected answer (0 pts) Proteins would not exist.
Correct answer (1 pt) Vitalism might still be considered a valid theory.
Unselected answer (0 pts) Cells would not carry out chemical reactions.
1 /1 point
6. Which of the following represents a metabolic pathway? (1 point)
Correct answer (1 pt) four boxes in a row with arrows
Unselected answer (0 pts) one box on top with arrows and three boxes belo
Unselected answer (0 pts) three boxes on top arrows one box below
Unselected answer (0 pts) two boxes arrows middle box arrows two boxes be
1 /1 point
7. Which of the following was used in the 1940s to analyze amino acids that make up proteins? (1 point)
Unselected answer (0 pts) genetic engineering
Correct answer (1 pt) chromatography
Unselected answer (0 pts) radioactive tracers
Unselected answer (0 pts) x-ray diffraction
1 /1 point
8. Which researcher found that nucleic acids are responsible for the transmission of genetic information? (1 point)
Unselected answer (0 pts) Linus Pauling
Correct answer (1 pt) Oswald Avery
Unselected answer (0 pts) Francis Crick and James Watson
Unselected answer (0 pts) Rosalind Franklin
1 /1 point
9. Which of the following is true of biochemistry? (1 point)
Unselected answer (0 pts) It is a field of study that explains why life is present on Earth.
Incorrect Answer (0 pts) It is a field of study that has been able to describe all of the reactions that occur in a cell.
Unselected answer (1 pt) It is a field of study that relies on laboratory science to describe life processes.
Unselected answer (0 pts) It is a field of study that is becoming obsolete as genetic engineering has started taking its place.
0 /1 point
10. Which of the following is a larger branch of study into which biochemistry fits? (1 point)
Correct answer (1 pt) chemistry
Unselected answer (0 pts) nutrition
Unselected answer (0 pts) medicine
Unselected answer (0 pts) microbiology
1 /1 point
The final score is 9/10 (90%).
