Carbohydrates Flashcards
what is a monosaccharide?
a single sugar unit.
are glucose molecules polar?
yes
why is solubility of glucose in water important?
it means glucose is dissolved in the cytosol of the cell.
what bond is formed between two glucose molecules?
glycosidic - covalent.
what are the examples of hexose monosaccharides?
- glucose
- fructose
- galactose
what are the examples of disaccharides?
- sucrose
- maltose
- lactose
which monosaccharides form maltose?
two glucose molecules.
which monosaccharides form sucrose?
glucose and fructose
which monosaccharide forms lactose?
glucose and galactose.
what are the examples of pentose monosaccharides?
- ribose (RNA nucleotides)
- deoxyribose (DNA nucleotides.)
which polysaccharides make up starch?
- amylose
- amylopectin
how is glucose made in plants stored?
as starch.
which bonds are found in amylose?
1-4 glycosidic bonds
which bonds are found in amylopectin?
1-4 glycosidic bonds AND 1-6 glycosidic bonds
what is the storage molecule in animals?
glycogen