Science Test 5 Flashcards
(44 cards)
Define Nutrient
Chemical in your food we need to survive
What are carbohydrates?
They are sugars and starches
How do cells use carbohydrates?
They use it for energy
What are the characteristics of carbohydrates?
They are mostly elements, CHO, they are polar, and the ratio is 2:1 H:O
Define/Identify Monosaccharides
They only have one ring
What are examples of monosaccharides?
glucose and fructose
Define/Identify Disaccharides
They have two rings
What are some examples of disaccharides?
Sucrose and Lactose
Define/Identify Polysaccharides
They have 10 or more rings
What are some examples of polysaccharides?
starch and cellulose
How do monosaccharides bond to form disaccharides and polysaccharides?
They remove water (H2O)
What foods contain Carbohydrates?
Foods made from plants (Bread and Fruits) (BTW this is a matching question I believe)
How do you test for sugars?
Use Benedict solution
How do you test for starches?
Iodine
What are lipids?
Fats, Oils, and Waxes
How do cells use lipids?
energy storage, cushions organs, insolation.
What are the characteristics of a lipid?
Made of elements, CHO, they are non-polar
What makes up a fat molecule and how do they bond?
1 glycerol and 3 fatty acids/ Remove 3 water molecules
What are characteristics of saturated fats?
Made from animals, and solid at room temperature, Called fats
What are characteristics of unsaturated fats?
Made from plants, and liquid at room temperature, Called oils
What leads to high blood cholesterol?
Saturated Fats
What foods contain lipids?
Butter….
How do you test for lipids?
Put the food on a piece of paper and see if itʻs transparent
How do cells use protein?
To grow, Help your muscles, repair tissue