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Ch. 1 Test bank Prac. Q's Exam 2024/2025 Questions With Completed & Verified Solution.
Ch. 1 Test bank Prac. Q's Exam 2024/2025 Questions With Completed & Verified Solution.
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Ch. 1 Test bank Prac. Q'sHow do the molecules that play a role in living cells compare to those encountered in organic
chemistry?
a.
They are the same, just operating in a different context.
b.
Biological molecules are organic molecules, but the similarity ends there.
c.
Biological molecules aren't similar to organic molecules at all.
d.
Biology isn't based on molecules at all, but a "vital force". - ANS a.
They are the same, just operating in a different context.
Which of the following shows the correct order from most simple to most complex:
a. atom, molecule, organelle, macromolecule
b. molecule, atom, macromolecule, organelle
c. tissue, cell, organ
d. atom, macromolecule, tissue, organ - ANS d. atom, macromolecule, tissue, organ
Which of the following best defines organic chemistry?
a. The study of compounds contained in organisms.
b. The study of compounds containing organs.
c. The study of compounds containing carbon and hydrogen and their derivatives.
d. The study of compounds containing elements other than carbon. - ANS c. The study of
compounds containing carbon and hydrogen and their derivatives.
Which of the following is NOT one of the primary simple molecules that scientists believe must
have ultimately led to creating living things?
a. ammonia
b. carbon dioxide
c. hydrogen
d. simple carbohydrates - ANS d. simple carbohydrates
Which of the following was part of the vital force theory?
a. The compounds found in living things are just like those found in the non-living world.
b. The compounds found in living things are interesting, but can easily be produced in the
laboratory.
, c. The compounds found in living things can not be produced in the laboratory. - ANS c. The
compounds found in living things can not be produced in the laboratory.
The synthesis of urea from ammonium cyanate.
a. was a critical component of the Miller-Urey experiment.
b. requires a protein as a catalyst.
c. helped dispel the vital force theory.
d. supported the vital force theory. - ANS c. helped dispel the vital force theory.
Which of the following is NOT a Functional Group
a. Amino group
b. Protein
c. Alcohol group
d. Carbonyl group - ANS b. Protein
Which of the following functional groups is specific to an alcohol?
a. -NH
b. -OH
c. -C=O
d. C=C
e. O-P - ANS b. -OH
Which of the following functional groups are not commonly seen in biomolecules?
a. Alkyl halides
b. Amides
c. Carboxylic acids
d. Ethers
e. Phosphate esters - ANS a. Alkyl halides
Which of the following statements regarding biomolecules is false?
a. They contain predominantly ionic bonds.
b. They contain predominantly nonmetallic elements.
c. Carbon is the key element.
d. Specific stereoisomers are essential in most cases. - ANS a. They contain predominantly
ionic bonds.
All of the following bonds are important in biomolecules, except:
a. C−Cl
b. C−H
c. C−N
d. O−H
e. O−P - ANS a. C−Cl
Which of the following statements regarding biopolymers is false?
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