Ribosomal RNA (rRNA) associates with a set of proteins to form ribosomes. These complex structures, which physically move along an mRNA molecule, catalyze the assembly of amino acids into protein chains.
<u>Density</u> – The amount of matter in a given space. In scientific terms, density is the amount of mass in a unit of volume.
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The amount of matter in a given amount of space is known as the <u>Density.</u>
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There are many different types of non-chlorophyll<span> accessory pigments, but some of the most common are </span>carotenoids<span>, phycocyanins, and </span>phycoerythrins.Carotenoids<span> (caroten meaning 'carrot') are a group of some 600-700 different types of accessory pigments that reflect </span>red<span>, orange, and yellow wavelengths.</span>
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- Energy is passed from organisms at one trophic level or energy level to organisms in the next trophic level. Producers are always the first trophic level, herbivores the second, the carnivores that eat herbivores the third, and so on.
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