Answer:
(C RNA can catalyze biological reactions and most likely appeared before DNA.
Explanation:
From my knowledge, I believe...
RNA most likely appeared before DNA and is known to be an unstable molecule.
<em>kiniwih426</em>
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
no beacuse they are differnt parts of the human with different functions
Answer:
micronucleus and macronucleus
Answer:
Structure and function of the cell membrane
The cell membrane is semipermeable (or selectively permeable). ... The unique structure of the cell membrane allows small substances (like oxygen or carbon dioxide) to easily pass through.
Explanation: