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28 terms

Macromolecules - Carbohydrates

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carbohydrates
These macromolecules are made up of carbon, hydrogen, and oxygen (always in a 1:2:1 ratio)
monosaccharides
these are the monomers of carbohydrates
glucose
a monosaccharide that is made during photosynthesis and broken down during cellular respiration
fructose
a monosaccharide found in fruit; it is the sweetest sugar
disaccharide
a double sugar
sucrose
this disaccharide is made of fructose and glucose
sucrose
this disaccharide is also known as table sugar
lactase
Individuals with lactose intolerance do not produce this digestive enzyme.
polysaccharides
these are made from 3 or more monosaccharides linked together
starch
a polysaccharide that is a storage molecule for plants
cellulose
a polysaccharide that gives plants their strength; it is also dietary fiber
polysaccharide
What type of carbohydrate is cellulose?
monosaccharide
What type of carbohydrate is glucose?
monosaccharide
What type of carbohydrate is fructose?
monosaccharide
What type of carbohydrate is galactose?
disaccharide
What type of carbohydrate is sucrose?
disaccharide
What type of carbohydrate is lactose?
fructose, glucose
Sucrose is made up of what two sugars (put them in alphabetical order with a comma between them)
galactose, glucose
Lactose is made up of what two sugars (put them in alphabetical order with a comma between them)
benedicts
This solution tests for monosaccharides
iodine
This solution tests for starch
starch
Iodine is used to test for what carbohydrate?
monosaccharide
Benedict's solution is used to test for what carbohydrate?
orange
The color of a positive benedicts test (test for monosacharides) is ___________.
black
The color of a positive iodine test (test for starch) is __________.
cellulose
The complex carbohydrate __________ also called fiber helps to keep water and food moving through your digestive and excretory systems
cellulose
This complex carbohydrate/polysaccharide is not able to be broken down by your digestive system
carbon, hydrogen, oxygen
Carbohydrates are made up of the elements .... (put them in alphabetical order with commas in-between)