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Biology, 02.08.2019 07:30 lollyg96p4izi4
Which tissue layers line the coelom in an earthworm? from which germ layer were the cells in these layers derive? and how do you know? tell me, i really need this
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Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
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Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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Which tissue layers line the coelom in an earthworm? from which germ layer were the cells in these...
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