Which 3 of the following abberations cause a proto-oncogene to mutate into an oncogene?
Responda
Amplification
Translocation
Point Mutation
Addition
Questão 3
Questão
BCR-ABL is an oncogene caused by the translocation of two genes on chromosome 9 and 22. The new chromosome that this forms is called the _______ chromosome
Responda
Philadelphia
Cathedral City
Dairylee
Questão 4
Questão
Select some of the functions of a tumour-suppressor gene's encoded protein.
Responda
slow down cell division
repair DNA mistakes
trigger apoptosis
activate immune surveillance
Questão 5
Questão
Caretaker genes are a class of tumour suppressor genes however, they do not regulate cell division. Instead they...
Responda
Recognise and repair DNA damage, therefore being directly responsible for cancer development
Recognise and repair DNA damage, however, not being directly responsible for cancer development
Questão 6
Questão
Bystander or passenger mutations are mutated genes that are not related to the growth or development of a cancer.
Responda
True
False
Questão 7
Questão
Differentiation, increasingly autonomous growth and aggressive behaviour are trates associated with a cancer in ______ stage of carcinogenesis
Responda
inititation
promotion
progression
Questão 8
Questão
Some pathogens are capable of establishing chronic infections at certain sites in the body. This creates a local environment where even uninfected cells are at a greater risk of becoming cancerous.
Responda
True
False
Questão 9
Questão
There are four types of genetic disorder. Which of the following best describes each of these four types
Responda
autoimmune
single gene
multifactorial
chromosomal
mitochondrial
Questão 10
Questão
Down's syndrome frequency increases with paternal age.
Responda
True
False
Questão 11
Questão
Tumour antigens may be specific to a tumour (TSA), or just occur more frequently in a tumour (TAA). Both must be capable of inducing an antibody or cell-medicated response.
Responda
True
False
Questão 12
Questão
An immune response against self antigen(s) that results in a disease causing tissue damage or disturbed physiological function best describes...
Responda
Immune Response
Autoimmunity
Self-tolerance
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