a) The discovery of ribozymes led to the theory that the evolution of life on Earth...

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Biology

a) The discovery of ribozymes led to the theory that theevolution of life on Earth began with an “RNA world.” Describe howthe current cellular roles of RNA support this theory.

b) Draw a diagram of the transcription and translation of thetrp operon under high tryptophan conditions. In additionto the trp operon, show RNA polymerase; the 5` UTR RNAwith regions 1, 2, 3, 4, and the string of uracils; and aribosome.

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a RNA performs all the activities of proteins synthesis and control of protein synthesis Proteins are very essential for every bodily activity in the living system SO RNA by acting as both enzyme and able to synthesise proteins it is considered to have evolved first than the DNA since DNA has only the role of storing genetic    See Answer
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