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just curious to know

2007-11-14 05:42:18 · 5 answers · asked by Anonymous in Science & Mathematics Biology

5 answers

Macromolecules are big molecules, like protein, starch, glycogen, cellulose, DNA, RNA, etc.

2007-11-14 05:48:01 · answer #1 · answered by OKIM IM 7 · 0 0

Macro means "big" in latin, and macro molecules are large molecules composed of smaller units. Macromolecules can be organic or synthetic. Synthetic macromolecules are plastics. Polyethylene is a long chain of carbon atoms which forms when ethylene molecules are linked together. Biological macromolecules are proteins and carbohydrates. Proteins are made of amino acids linked into long, complicated structures. Starch and cellulose is composed of ordinary glucose. Animals can't digest cellulose because every second glucose unit is flipped. This prevents digestive enzymes (which are macromolecules, too) from breaking down the cellulose into simple sugars. However, some protozoans and fungi have special enzymes capable of doing this. Cows can eat cellulose because these micro organisms live in the cow's stomach. They digest the cellulose and then are digested by the cow. Termites can eat wood for the same reason.

2007-11-14 13:58:15 · answer #2 · answered by Roger S 7 · 0 0

macromolecules are large complex molecules that usually fall into the categories of Nucleic Acids, Lipids, carbohydrates and proteins. Most macromolecules are polymers except for lipids.

2007-11-14 14:02:17 · answer #3 · answered by Anonymous · 0 0

Large biological molecules.

Four typical/basic ones are:

Carbohydrates, proteins, lipids, and nucleic acids.

2007-11-14 14:02:19 · answer #4 · answered by cerebralmike 4 · 0 0

"Macromolecule" is usually a term used for large biological molecules like proteins, polysaccharides, and oligomeric nucleosides.

2007-11-14 13:47:50 · answer #5 · answered by Pit 2 · 0 0

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