Monomers, polymers and carbohydrates Flashcards
What is a monomer?
Smaller units which can create larger molecules
What is a polymer?
Made of lots of monomers bonded together
What polymers does the monomer glucose make
Starch, cellulose and glycogen
What polymer does the monomer amino acid make?
Protein
What does the monomer nucleotide make?
DNA and RNA
What elements do carbohydrates contain?
Carbon, hydrogen and oxygen
Name three monosaccharides (monomers)
Glucose, fructose and galactose
Name three disaccharides (dimers)
Sucrose, maltose and lactose
Name three polysaccharides (polymers)
Starch, cellulose and glycogen
What is the molecular formula of glucose alpha and glucose beta
C H O
6 12 6
What shape is the structure of glucose?
Hexagon
There are two types of reactions in biology, they are catalysed by organic catalysts called enzymes. What does organic mean in this context?
Organic compounds contain carbon. Most biologically important molecules are organic.
What is the only compound that contains carbon and isn’t organic?
Carbon dioxide - its inorganic
What does the word carbohydrate literally mean?
Carbo- contains carbon
hyd- contains hydrogen
ate- contains oxygen