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BSc (Hons) Biology Quiz on Cancer & Autoimmune Disease: Quiz the Fourth, created by Sami-Jaine on 09/05/2013.

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Cancer & Autoimmune Disease: Quiz the Fourth

Question 1 of 10

1

TP53 is the gene that encodes for the protein p53. It is one of the most commonly defected genes in human cancers. A normal p53 protein helps control cancer development through its involvement in...

Select one of the following:

  • inhibition of angiogenesis

  • genomic stability

  • apoptosis

  • all of the above

Explanation

Question 2 of 10

1

Atrophy is described as

Select one of the following:

  • The enlargement of an organ or tissue from the increase in size of its cells.

  • The acquired shrinkage due to a decrease in the size or number of cells in a tissue

  • Abnormal change in the nature of a tissue.

Explanation

Question 3 of 10

1

Proto-oncogenes are the unmutated versions of oncogenes that normally control how often a cell divides and the degree to which it differentiates. How many alleles are required for a proto-oncogene to becomes a mutated oncogene.

Select one of the following:

  • none

  • one

  • two

  • three

Explanation

Question 4 of 10

1

Hypertrophy involves the increase in the size of an organ due to an increase in the ____ of cells.

Select one of the following:

  • productivity

  • size

  • number

Explanation

Question 5 of 10

1

Mouse Skin Question:
Applying on initiating agents alone results in...

Select one of the following:

  • Tumour

  • No Tumour

Explanation

Question 6 of 10

1

Mouse Skin Question:
Applying an initiating agent followed by a promoter results in...

Select one of the following:

  • Tumour

  • No Tumour

Explanation

Question 7 of 10

1

Mouse Skin Question:
the application of a promoter several months after the application of an initiating agent results in....

Select one of the following:

  • Tumour

  • No Tumour

Explanation

Question 8 of 10

1

Mouse Skin Question:
Applying promoter alone results in...

Select one of the following:

  • Tumour

  • No Tumour

Explanation

Question 9 of 10

1

Mouse Skin Question:
Applying an initiating agent after the promoter results in...

Select one of the following:

  • Tumour

  • No Tumour

Explanation

Question 10 of 10

1

Which of the following are considered the "3 rules of infections and cancer"?

Select one or more of the following:

  • The viruses involved all establish a persistent infection and are often widespread in the normal human population

  • Cancer develops only in a small proportion of infected people, usually many years after their initial viral infection

  • The viruses involved all establish a persistent infection and are never found in the normal human population

  • Virus infection is just one link in a complex chain of events required for cancer development

Explanation