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Question 163 out of 3 pointsA point mutation that changes a codon specifying an amino acid into a “stop” codon UAA, UAG or UGA is a nonsense mutation.Question 173 out of 3 pointsCancer metastases are difficulty to detect.
Question 180 out of 3 pointsCancer tumors grow and spread by inducing formation of blood vessels to nourish them. This is called;Question 193 out of 3 pointsIf a mutation occurs in the gametes before mitosis;Question 203 out of 3 pointsWhich of the following is true about mutations?Question 21
3 out of 3 pointsCancer is genetic because it is caused by changes in DNA but not usually inherited.Question 220 out of 3 pointsA tumor is cancerous or malignant if it infiltrates nearby tissue. This infiltration and spreading is called metastasis.Question 233 out of 3 pointsA tumor is benign if it grows in place but does not spread.Question 243 out of 3 pointsA mutation is an altered DNA sequence in an organism.Question 25
3 out of 3 pointsA mutation may be present in some cells of an individual or all cells.