Producers are green plants or photosynthetic organisms that are the basis for the other living parts of any ecosystem. Producers need to have access to light to produce food. Few producers will be found deep below a lakes surface simply because the deeper you travel under water the less light penetrates those deeper layers.
The sugar-phosphate backbone is an important structural component of DNA. It consists of 5-carbon deoxyribose sugars<span> and </span>phosphate<span> groups.
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The Quaternary level of consumer has the smallest supply of energy. ;)
MRNA is needed to make amino acids and proteins. Without this, the liver would not have proteins to carry out tasks and would stop functioning.
