Which of the following is NOT a way that scientists generate hypotheses?

using a feeling about what should occur

Which statement is true?

RNA molecules are made of nucleotides.

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Scientific Method and Biomolecules

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This quiz will test your knowledge of the scientific method and biological molecules.

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Questions 16

Answers

1
Which of the following organic compounds is the main source of energy for living things?
proteins
nucleic acids
lipids
carbohydrates
2
A controlled experiment allows the scientist to isolate and test
a conclusion
a mass of information
several variables
a single variable
3
A biological example of nucleic acids is
Rice
Muscle
Wax
RNA
4
A substance that speeds up the rate of a chemical reaction is called a(an)
element.
lipid.
molecule.
catalyst.
5
Scientists publish the details of important experiments so that
their experimental procedures can be reviewed.
all of the above
their work can be repeated.
others can try to reproduce the results.
6
Which of the following is NOT a function of proteins?
used to form bones and muscles
store and transmit heredity
control the rate of reactions and regulate cell processes
help to fight disease
7
Enzymes affect the reactions in living cells by changing the
pH of the reaction.
products of the reaction.
temperature of the reaction.
speed of the reaction.
8
Which of the following is NOT a way that scientists generate hypotheses?
using informed, creative imagination
using prior knowledge
using a feeling about what should occur
using logical inference
9
Amino acids are monomers of
proteins
carbohydrates
nucleic acids
lipids
10
What is the term used to describe the energy needed to get a reaction started?
activation energy
cohesion energy
adhesion energy
chemical energy
11
A monosaccharide is a
nucleic acid.
carbohydrate.
protein.
lipid.
12
The work of scientists begins with
drawing conclusions.
careful observations.
testing a hypothesis.
creating experiments.
13
Which of the following is a monomer of lipids?
monosaccharide
nucleotides
1 glycerol and 3 fatty acids
amino acids
14
Which statement is true?
Glycerol is made of fatty acids.
Simple sugars are made of polysaccharides.
Amino acids are made of proteins.
RNA molecules are made of nucleotides.
15
Scientific hypotheses must be proposed in a way that
doesn't contradict previous hypotheses
enables them to be proved valid
ensures that an experiment will be valid
enables them to be tested
16
What is the process that changes one set of chemicals into another set of chemicals?
adhesion
dissolving
cohesion
chemical reaction

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