Discuss why many scientists consider RNA to have been the basis for early forms of life

What will be an ideal response?


RNA can make exact copies of itself, and it has been shown to sometimes act as an enzyme for biochemical reactions. The ability to reproduce and the ability to enzymatically catalyze reactions are important characteristics of cells.

Biology & Microbiology

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________ molecules deliver amino acids to ribosomes during translation.

A. Ribosomal RNA (rRNA) B. Transfer RNA (tRNA) C. Messenger RNA (mRNA) D. Heterogeneous nuclear RNA (hnRNA)

Biology & Microbiology

The helix structure on the right of the above figure

represents a. DNA. b. RNA. c. lipid. d. protein. e. phospholipid.

Biology & Microbiology

Panting in mammals is the equivalent of which process in birds?

a. panting b. sweating c. estivation d. acclimatization e. torpor

Biology & Microbiology

________ is the first product of the Krebs cycle

Fill in the blank(s) with correct word

Biology & Microbiology