Exam 1 Flashcards
Covalent bond?
Two atoms, share electrons, completing there outer orbit
What are the different types of macromolecules?
Carbs, lipids, proteins, nucleic acids
What’s an ionic bond?
Ionic compounds attracted between negative and positive charged ions
What kind of molecules do carbohydrates have?
single sugars or multiple sugar molecules bonded together into polymers.
What are the three types of carbohydrates?
They are monosaccharides, disaccharides, and polysaccharides
How are macromolecules used in animal life?
rray of functions necessary for the survival and growth of living organisms
What are macromolecules
Many molecules joined together
What are the types of lipids?
Oils
Fats
Phospholipids
Steroids
What’s the diff of saturated and unsaturated fats?
Saturated fats-insoluble(hydrophobic)/hydrogen bond/no double bonds.
Unsaturated fats-have double bond/lower melting points
What are fats made of and what are they called?
Made of glycerol and fatty acids. Fats called triglycerides
What are the sources of saturated fats?
Animal based/ milk, butter, ice cream, red meat, poultry.
What are the sources of unsaturated fats?
Vegetable oils, nuts, avocados, fish
What’s are monosaccharide carbohydrates?
Simple sugars, glucose, fructose
What are examples of disaccharide carbohydrates?
Lactos, maltose, sucrose, sugar beeds (glucose + fructose)
What are polysaccharide carbs and structural polysaccharides?
Long polymer or chains of monosaccharides, starch, glycogen, potatoes.
Structural is cellulose and chitin
What are examples and what is chitin.
Structural polysaccharide exoskeleton. Insects crabs lobsters
What is glycogen?
Polysaccharide stores energy in the liver
What is a disaccharide carb?
2 monosaccharides joined during dehydration reaction.
What are the types of Lipids?
. Insoluble in water . Oils- plant origin . Fats- animal origin . Phospholipids- components of cellular membranes . Steroids- cholesterol
Proteins make up how much percent of the weight of cells?
50%
What do we use proteins for?
Support, storage, movement of material, signals, communication