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Home Q & A Board Biology-Related Homework Help General Biology
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Nwere Nwere
wrote...
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6 years ago
Would the evidence suggest that mitochondria or chloroplasts were the first to go through
  endosymbiosis? What will be an ideal response?
 
 

Question 2

What can RNA do that DNA cannot that makes RNA a good starting point for life? What will be an ideal response?
 
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wrote...
#1
6 years ago
Answer to q. 1

Evidence would favor mitochondria. While almost all eukaryotes have mitochondria, only plants and
some protists have chloroplasts. The prevalence of mitochondria in all major eukaryotic lineages
suggests that they evolved first.

Answer to q. 2

Both RNA and DNA can store genetic material. But, only RNA can catalyze reactions, thus letting it
serve as both hereditary material and enzyme. This would simplify the necessary reactions of the
earliest cells.
Nwere Author
wrote...
#2
6 years ago
Smiling Face with Open Mouth that's the expression my face made when I got the notification email
wrote...
#3
6 years ago
glad I put that smile on your face Happy Dummy
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