Answer:
Gills
Explanation:
Tadpoles also have gills to breathe underwater like fishes.
The major difference between prokaryotes and eukaryotes is the presence or absence of membrane-bound organelles.
<h3>What are eukaryotic and prokaryotic cells?</h3>
Eukaryotic cells are cells that possess a membrane-bound nucleus and organelles while prokaryotic cells do not contain a membrane-bound nucleus or organelles.
Examples of eukaryotic cells are;
- Plant cells
- Animal cells
- Protist cells
Examples of prokaryotic cells are;
The membrane bound organelles that differentiates prokaryotes from eukaryotes are as follows:
- Chloroplast
- Mitochondria
- Endoplasmic reticulum
- Nucleus
Therefore, the major difference between prokaryotes and eukaryotes is the presence or absence of membrane-bound organelles.
Learn more about eukaryotic and prokaryotic cells at: brainly.com/question/4644590
Answer:
Explanation:
This is known as the RNA world hypothesis. Scientists favor RNA over DNA as the first genetic molecule for several reasons. Perhaps the most important is that RNA can, in addition to carrying information, act as a catalyst. ... A catalytic RNA could, potentially, catalyze a chemical reaction to copy itself.
<span>Prokaryotic organisms lack membrane bound nuclei as well as organelles.
</span>
Examples
-bacteria
-algae
