- DNA and RNA are made up of monomers called nucleotides. - DNA and RNA both have 3 nitrogenous bases: Adenine, Cytosine and Guanine. - DNA and RNA both have a phosphate groups in their nucleotides. Sometimes called phosphoric acid.Feb 18, 2009
Mostawa is the correct answer
There is not any nucleus and nuclear bound organelles in prokaryotes....
1. Answer:
<span>It implies that prokaryotes existed before eukaryotes.
It implies that eukaryotes evolved from prokaryotes.
Prokaryote and eukaryote are used as a result of an evolutionary worldview.
All of the three sentences is true. The word "pro-" from prokaryotes means "before". So, prokaryotes sound like an organism that exists before </span>eukaryotes. If you link it with evolution, you can assume that eukaryotes were prokaryotes that evolved.<span>
</span><span>2. Answer:
food spoilage
flavor food
make cheese
make yogurt
decomposition
Measles can be excluded easily because it was caused by virus, not bacteria. Food spoilage is caused by bacteria. That is why food preservation method would result in killing/inhibiting bacteria. </span>Decomposition is similar to spoilage. Bacteria also used for fermentation in cheese, yogurt or beer.
Answer: it happens from chemical reactions when compound like sulfur dioxide and nitrogen oxides are released into the air. Then all those substances that were released go into the atmosphere when they mix and react with the water, oxygen and other chemicals to form acid rain.