Which of the following statements describes proto-oncogenes?
A) Their normal function is to suppress tumour growth.
B) They are introduced to a cell initially by retroviruses.
C) They are produced by somatic mutations induced by carcinogenic substances.
D) They can code for proteins associated with cell growth.
E) They are underexpressed in cancer cells.
Correct Answer:
Verified
Q42: Q43: The term epigenetics refers to Q44: The transformation from a zygote to a Q45: What is considered to be the first Q47: Tumour-suppressor genes Q48: Mutations in which of the following genes Q56: The cancer-causing forms of the Ras protein Q57: Which of the following genes map out Q59: The bicoid gene product is normally localized Q60: The product of the bicoid gene in
A)inheritance of traits
A)are frequently overexpressed in cancerous cells.
B)are
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