Carbohydrates Flashcards
(29 cards)
Common foods with carbohydrates include:
-Grains, such as bread, noodles, pasta, crackers, cereals, and rice.
-Fruits, such as apples, bananas, berries, mangoes, melons, and oranges.
-Legumes, including dried beans, lentils, and peas.
Carbohydrates are molecules made of:
CHO
carbon
hydrogen
oxygen
Carbohydrates include simple sugar and also much larger molecules?
YES
Carbohydrates include simple sugars, such as glucose, and much larger molecules such as starch.
What is the basic building block of all carbohydrates?
Glucose - is the basic building block of all carbohydrates
What is Starch made of?
Starch is made of many glucose sugars joined together in long chains.
Starch
Plants store carbohydrates such as starch, for example in potatoes.
Why we need Carbohydrates?
Carbohydrates gives us energy and we need energy for thinking, walking, doing sports, etc
Glucose is used in the process of respiration ?
YES
What is this: []
Glucose
What is this: []-[]-[]-[]
Starch
What is this: []-[]-[]-[]-[]-[]-[]-[]-[]-[]-[]-[]
Carbohydrate
What is sugar?
Sugars are small carbohydrate molecules.
What Simple sugars include?
Simple sugars include glucose, fructose and galactose.
What is Starch?
Starch is a complex carbohydrate, made up of many glucose molecules joined together.
(starch) What reagent we use to test for starch?
This test uses the reagent iodine solution.
(starch) What is the color that have Iodine Solution before the experiment?
Iodine solution is usually orange / brown.
(starch) What is the color that have Iodine Solution if starch is present?
Iodine solution turns blue / black when starch is present.
(starch) What colour does iodine turn in the presence of starch?
Blue / black
(starch) In the experiment Testing for Starch wich food contain Starch?
Banana
Cracker
What is monosaccharides?
EXPLANATION
-Sugars are small carbohydrate molecules.
-Simple sugars include glucose, fructose and galactose.
-These are all monosaccharides.
MONO=one
SACCHARIDES=sugar
What Benedict solution is for?
Benedict solution is for testing for monosaccharides such as glucose and fructose.
What is the name of the reagent needed for testing for sugar?
Benedict solution
wich is the inicial color Benedict solution?
Blue
What is the color that benedict solution take when there is just a little bit of sugar?
Green