Frogs and pigeons both lay eggs. They may both share this characteristic because eggs are an easy way to allow young to develop outside of the womb.
The endoplasmic reticulum helps in the production of proteins and lipids.
An eukaryote is a cell that has organelles like the mitochondria, nucleous, etc.. A prokaryote is a cell with no organelles, meaning that the dna flows freely in it. A way i remember which is which, is that the "pro" in prokaryote rhymes with "no" which means "no organelles"
Answer: The answer is B. Hydrogen.
Explanation:
