Scelta multipla
The subunits (monomers) in cellulose are linked together by __________.
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4. Biomolecules
Carbohydrates
Scelta multipla
Carbohydrates exist as either monomers or ____________, long chains of monomers bonded together.
A
polymers
B
lipids
C
nucleotides
D
enzymes
Guida verificata passo dopo passo1
Understand the question: The problem is asking about the term used to describe long chains of monomers bonded together, specifically in the context of carbohydrates.
Recall the definition of a monomer: A monomer is a single, basic molecular unit that can join with other similar units to form a larger structure.
Review the term 'polymer': A polymer is a large molecule made up of repeating monomer units bonded together. In the case of carbohydrates, polymers are formed by linking monosaccharides (simple sugars).
Eliminate incorrect options: Lipids are not polymers; they are made of glycerol and fatty acids. Nucleotides are the building blocks of nucleic acids, not carbohydrates. Enzymes are proteins that catalyze reactions, not structural chains of monomers.
Conclude that the correct answer is 'polymers,' as carbohydrates can form long chains of monomers (e.g., starch, glycogen, cellulose) through glycosidic bonds.
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