Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes? Options: A . &nbspAdvanced cells lack RNA B . &nbspDNA and enzymes are only present in the most advanced cells C . &nbspRNA can both code genetic information and act as a catalyst D . &nbspAll of these

Which of the following has been used as an evidence that primitive life forms la

Question

Which of the following has been used as an evidence that primitive life forms lacked both DNA and enzymes?

Options:

A . Advanced cells lack RNA

B . DNA and enzymes are only present in the most advanced cells

C . RNA can both code genetic information and act as a catalyst

D . All of these

Answer: Option C

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Question 1. The genetic code is....

Question 2. Crick demonstrated that the genetic code involved three bases and suggested that the code was degenerated. What experime....What experimental technique Crick conducted to suggest genetic code degeneration?

Question 3. In some organelles in eukaryotes, the genetic code for some codons....

Question 4. The codons which do not specify an amino acid are called....

Question 5. The genetic code is degenerated. Which of the following codons represents the principle of degeneracy?....

Question 6. Codon that specify the amino acids often differs in the....

Question 7. The sequence of one strand of DNA is: 5' ATTGCCA 3', what is the sequence of the other strand?....

Question 8. AUG codes for methionine act as a....

Question 9. In prokaryotes, AUG encodes....

Question 10. How many amino acids will be encoded by 5' GAU GGU UGA UGU 3' sequence?....

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