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Carbohydrates. Name______________. sugar. sugar. sugar. sugar. sugar. sugar. sugar. sugar. Carbohydrates. Building block molecules = Made of only Carbon, Hydrogn, Oxygen. sugars. sugar - sugar - sugar - sugar - sugar. sucrose. Carbohydrates. Function: quick energy energy storage

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carbohydrates
Carbohydrates

Name______________

carbohydrates1

sugar

sugar

sugar

sugar

sugar

sugar

sugar

sugar

Carbohydrates
  • Building block molecules =
  • Made of only Carbon, Hydrogn, Oxygen

sugars

sugar - sugar - sugar - sugar - sugar

carbohydrates2

sucrose

Carbohydrates
  • Function:
    • quick energy
    • energy storage
    • structure
      • cell wall in plants
  • Examples
    • sugars
    • starches
    • cellulose (cell wall)

glucoseC6H12O6

starch

sugars building blocks

CH2OH

O

H

H

H

OH

H

OH

HO

H

OH

glucose

sucrose

fructose

C6H12O6

Sugars = building blocks

-ose

  • Names for sugars usually end in
    • glucose
    • fructose
    • sucrose
    • maltose
building carbohydrates
Building carbohydrates
  • Dehydration Synthesis

simple sugar = monosaccharide

double sugar = disaccharide

|

glucose

|

glucose

|

maltose

mono = one

saccharide = sugar

di = two

building carbohydrates1
Building carbohydrates
  • Dehydration Synthesis

simple sugar = monosaccharide

double sugar = disaccharide

|

sucrose

(table sugar)

|

glucose

|

fructose

How sweetit is!

big carbohydrates polysaccharides
BIG carbohydrates-polysaccharides
  • starch
        • energy storage in plants
          • potatoes
  • glycogen
        • energy storage in animals
          • in liver & muscles
  • cellulose
        • structure in plants
          • cell walls
  • chitin
        • structure in arthropods & fungi
          • exoskeleton

poly = many

building big carbohydrates
Building BIG carbohydrates

polysaccharide

glucose + glucose + glucose… =

starch

(plant)

-roots

-fruits

energystorage

glycogen

(animal)

-liver cells

-muscle cells

cellulose
Cellulose
  • Cell walls in plants
    • herbivores can digest cellulose well
    • most carnivores cannot digest cellulose
      • that’s why they eat meatto get their energy & nutrients
      • cellulose = fiber
        • stays undigested
        • keeps material moving in your intestines
helpful bacteria
Helpful bacteria
  • How can cows and termites digest cellulose so well whereas humans CANNOT?
    • BACTERIA live in their stomachs & help digest cellulose-rich (grass) meals

Eeeew…Chewingcud?