The evolutionary origin of the v-src gene is most likely
a) A viral replication gene that mutated and gained cancer-causing properties
b) A stretch of non-coding DNA in bird genome where ancient viruses integrated
c) A bacterial gene that turned into a viral gene
d) A normal bird gene that became part of a viral genome and mutated
Answer: d) A normal bird gene that became part of a viral genome and mutated
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Answer the following statement true (T) or false (F)
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A. hinge B. joining C. variable D. light E. constant
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a. adipose b. bone c. cartilage d. epithelial e. muscular
The distinctive feature of chloroplasts is that they contain green pigment called?
What will be an ideal response?