14 Jun Question Question 1 Tumor suppressor genes
Question
Question 1
Tumor suppressor genes function to increase the activity of cells during times of stress or when conditions do not favor cell division.
Answer
True
False
1 points
Question 2
How does a proto-oncogene differ from an oncogene?
Answer
Proto-oncogenes code for proteins that regulate expression of structural genes; oncogenes code for nucleic acids involved in cell division.
Proto-oncogenes control normal cell division; oncogenes contribute to the development of cancer.
When oncogenes become damaged, they become proto-oncogenes.
Oncogenes activate tumor suppressor genes; proto-oncogenes repress tumor suppressor genes.
Proto-oncogenes cause cells to self-destruct when damaged; oncogenes cause damaged cells to repair themselves.
1 points
Question 3
The dietary carcinogen aflatoxin can be found in:
Answer
fresh fruits.
red meats.
salt.
alcohol.
raw peanut butter.
1 points
Question 4
The most important aspect in the treatment of cancer is that the cancer be diagnosed as early as possible. Early detection of cancer increases the chance that treatment will be successful.
Answer
True
False
1 points
Question 5
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