Macromolecules
All living things are made up of four classes of large biological molecules called
Carbohydrates can be divides into 2 general sections.
Simple and complex
How many sugars are in monosaccharides?
1
Are lipids insoluble or soluble in water?
Insoluble
Fats are good at storing energy (True or False)
True
Which are macromolecules?
Giant molecules
Simple sugars are called
monosaccharides
Which disaccharide is made of 2 glucose molecules?
maltose
Which are the names of the two types of fatty acids?
saturated and unsaturated
Phospholipids are found in _____ ______.
cell membranes
Which are the four macromolecules?
Carbohydrates, Lipids, Proteins, & Nucleic acids
Complex sugars are called
polysaccharides
How many sugars are in polysaccharides?
+10
Which two molecules are monomers of fats?
glycerol and fatty acids
Humans and other mammals store their fat in
glycogen
What is a polymer?
A long molecule consisting of many similar building blocks
Carbohydrates are made of 3 elements:
C, H, O
Which are the sugars present in milk and fruits?
Fructose is the sugar present in fruits.
Galactose is the sugar present in milk.
In which state of matter can we find saturated lipids at room temperature?
Solid
Which region of a phospholipid is hydrophobic? Which is hydrophilic?
○Phosphate group forms a hydrophilic head
○Two tails are hydrophobic
What is a monomer?
small building-block molecules
Name the 3 types of carbohydrates
Monosaccharides
Disaccharides
Polysaccharide
This polysaccharide is used to store energy in plants.
Starch
Why are some fats called "saturated"?
Because each carbon atom they're composed of is saturated with hydrogen atoms.
saturated: very bright and full / holding as much water or moisture / containing the greatest possible number of H atoms.
Which steroid is used to maintain fluidity of cell membranes?