BIOLOGY 1050 PRACTICE EXAM
QUESTIONS WITH CORRECT
ANSWERS
What percentage of cancer-causing mutations do you think are inherited forms ones
parents? - Correct Answers -~10% are acquired via inheritence
~ 90% are acquired via new mutations
Which of the following kinds of mutations in an exon of a gene will always produce a
different protein compared to the protein produced by the normal version of the gene? -
Correct Answers -Either a single-nucleotide deletion mutation or a single-nucleotide
insertion mutation
Which of the following mutations would you choose for your future child, and why? -
Correct Answers -Gain of function mutation in a tumor suppressor gene
Your friend was recently diagnosed with breast cancer. Your friends breast cancer cells
most likely have... - Correct Answers -Multiple DNA mutations, with at least one in a
protooncogene and one in a tumor suppressor gene
How many genes do you think are encoded in the HPV genome? - Correct Answers -
9 .. (~)-> about
The HPV E6 gene encodes a protein that binds and inactivates a human protein,
contributing to cancer. This human protein is most likely to be encoded by.. - Correct
Answers -A tumor suppressor gene
The HPV E6 gene encodes a protein that binds and inactivates a human protein,
contributing to cancer. The function of this human protein is most likely to be.. - Correct
Answers -A transcription factor involved in the transcription of genes that are acquired
to be turned on in order for programmed cell death (cell suicide) to occur.
How does smoking cause lung cancer? - Correct Answers -Chemicals in tobacco can
alter DNA
Which of the following are ordered correctly from SMALLEST to LARGEST? - Correct
Answers -Nucleotide, Exon, gene, X chromosome, human genome
If aflatoxin can cause cancer, it probably does this by damaging - Correct Answers -
DNA
QUESTIONS WITH CORRECT
ANSWERS
What percentage of cancer-causing mutations do you think are inherited forms ones
parents? - Correct Answers -~10% are acquired via inheritence
~ 90% are acquired via new mutations
Which of the following kinds of mutations in an exon of a gene will always produce a
different protein compared to the protein produced by the normal version of the gene? -
Correct Answers -Either a single-nucleotide deletion mutation or a single-nucleotide
insertion mutation
Which of the following mutations would you choose for your future child, and why? -
Correct Answers -Gain of function mutation in a tumor suppressor gene
Your friend was recently diagnosed with breast cancer. Your friends breast cancer cells
most likely have... - Correct Answers -Multiple DNA mutations, with at least one in a
protooncogene and one in a tumor suppressor gene
How many genes do you think are encoded in the HPV genome? - Correct Answers -
9 .. (~)-> about
The HPV E6 gene encodes a protein that binds and inactivates a human protein,
contributing to cancer. This human protein is most likely to be encoded by.. - Correct
Answers -A tumor suppressor gene
The HPV E6 gene encodes a protein that binds and inactivates a human protein,
contributing to cancer. The function of this human protein is most likely to be.. - Correct
Answers -A transcription factor involved in the transcription of genes that are acquired
to be turned on in order for programmed cell death (cell suicide) to occur.
How does smoking cause lung cancer? - Correct Answers -Chemicals in tobacco can
alter DNA
Which of the following are ordered correctly from SMALLEST to LARGEST? - Correct
Answers -Nucleotide, Exon, gene, X chromosome, human genome
If aflatoxin can cause cancer, it probably does this by damaging - Correct Answers -
DNA
