BIOS 100 EXAM 3 2025 QUESTIONS
AND ANSWERS
According to the article "Most White Americans' DNA Can be Identified through
Genealogy
Databases", within two or three years, what percentage of Americans of European
descent will
be identifiable from their DNA?
A. 20 %
B. 40%
C. 60%
D. 80%
E. 90% - ....ANSWER ...-E. 90%
According to the article "How an Unlikely Family History Website Transformed
Cold Case
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,Investigations", what did Mr. Rogers, one of the founders of GEDmatch, currently
say about
issues of privacy concerns with the use of the DNA information on his website?
A. "General users should be allowed to use the site freely, but police should have a
search
warrant to use this material".
B. "Only people who pay the $10 premium for high tier access are allowed to use
all the
resources available, so it is largely a moot point".
C. "I have absolutely no concerns that a person's privacy is violated, because there
are so many
people whose DNA helped to get a capture".
D. "The use of this information is strictly regulated by the user agreement
everyone signs at the
beginning of using this site, so everyone's privacy is protected".
E. "The question of privacy is really something for the courts to decide" -
....ANSWER ...-C. "I have absolutely no concerns that a person's privacy is
violated, because there are so many
people whose DNA helped to get a capture".
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,The proteome is all the proteins produced by an organism. The genome is the
totality of all genes of an organism. If the proteome is much larger than the
genome, which of the following statements would be accurate?
A. This finding lends support to the one-gene, one-enzyme hypothesis.
B. At least in some cases, a single gene must code for more than one protein.
C. Noncoding DNA is important in determining the proteome.
D. The number of monomeric subunits found in proteins is fewer than the
number of monomeric subunits found in genes. - ....ANSWER ...-B. At least
in some cases, a single gene must code for more than one protein.
What are the steps (in the correct order) that link a change in the base sequence of
a gene to a change in the phenotype of an organism like a mouse or a human?
A. DNA—>RNA—>Protein
B. DNA—>Protein—>RNA
C. Protein—>RNA—>DNA
D. RNA—>DNA—>Protein - ....ANSWER ...-A. DNA—>RNA—
>Protein
The idea that the sequence of bases in DNA specifies the sequence of bases in an
RNA molecule, which specifies the sequence of amino acids in a protein, is
_______.
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, A. the codon hypothesis
B. the one-gene, one-enzyme hypothesis
C. the central dogma
D. the Neurospora biosynthetic hypothesis
E. the neutral theory - ....ANSWER ...-C. the central dogma
The process of using the information in mRNA to synthesize a protein is ______.
A. transcendentalism
B. transacetylation
C. transmogrification
D. translation
E. transcription - ....ANSWER ...-D. Translation
Given the DNA template shown in the figure above, which of the following bases
would you find in a complementary RNA strand and where would they be
synthesized?
A. A-A-A-A-A; nucleus
B. U-U-U-U-U; ribosome
C. U-U-U-U-U; nucleus
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
AND ANSWERS
According to the article "Most White Americans' DNA Can be Identified through
Genealogy
Databases", within two or three years, what percentage of Americans of European
descent will
be identifiable from their DNA?
A. 20 %
B. 40%
C. 60%
D. 80%
E. 90% - ....ANSWER ...-E. 90%
According to the article "How an Unlikely Family History Website Transformed
Cold Case
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,Investigations", what did Mr. Rogers, one of the founders of GEDmatch, currently
say about
issues of privacy concerns with the use of the DNA information on his website?
A. "General users should be allowed to use the site freely, but police should have a
search
warrant to use this material".
B. "Only people who pay the $10 premium for high tier access are allowed to use
all the
resources available, so it is largely a moot point".
C. "I have absolutely no concerns that a person's privacy is violated, because there
are so many
people whose DNA helped to get a capture".
D. "The use of this information is strictly regulated by the user agreement
everyone signs at the
beginning of using this site, so everyone's privacy is protected".
E. "The question of privacy is really something for the courts to decide" -
....ANSWER ...-C. "I have absolutely no concerns that a person's privacy is
violated, because there are so many
people whose DNA helped to get a capture".
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
,The proteome is all the proteins produced by an organism. The genome is the
totality of all genes of an organism. If the proteome is much larger than the
genome, which of the following statements would be accurate?
A. This finding lends support to the one-gene, one-enzyme hypothesis.
B. At least in some cases, a single gene must code for more than one protein.
C. Noncoding DNA is important in determining the proteome.
D. The number of monomeric subunits found in proteins is fewer than the
number of monomeric subunits found in genes. - ....ANSWER ...-B. At least
in some cases, a single gene must code for more than one protein.
What are the steps (in the correct order) that link a change in the base sequence of
a gene to a change in the phenotype of an organism like a mouse or a human?
A. DNA—>RNA—>Protein
B. DNA—>Protein—>RNA
C. Protein—>RNA—>DNA
D. RNA—>DNA—>Protein - ....ANSWER ...-A. DNA—>RNA—
>Protein
The idea that the sequence of bases in DNA specifies the sequence of bases in an
RNA molecule, which specifies the sequence of amino acids in a protein, is
_______.
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
, A. the codon hypothesis
B. the one-gene, one-enzyme hypothesis
C. the central dogma
D. the Neurospora biosynthetic hypothesis
E. the neutral theory - ....ANSWER ...-C. the central dogma
The process of using the information in mRNA to synthesize a protein is ______.
A. transcendentalism
B. transacetylation
C. transmogrification
D. translation
E. transcription - ....ANSWER ...-D. Translation
Given the DNA template shown in the figure above, which of the following bases
would you find in a complementary RNA strand and where would they be
synthesized?
A. A-A-A-A-A; nucleus
B. U-U-U-U-U; ribosome
C. U-U-U-U-U; nucleus
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 4
