biological molecules Flashcards
what is a monomer ?
a monomer is the building block to a biological molecule
name the four monomers of each biological molecule
- carbs- monosaccharide
2.lipids- 3 fatty acids and one glycerol
3.porteins- amino acids - nucleic acids - nucleotide
what are the main elements that make up biological molecules?
- carbon
- hydrogen
3.oxygen
what is the simplest type of carbohydrate ?
And give a example
sugars , glucose
True or false
Glucose is the way that carbohydrates are transported around the body
True
Why do cells need glucose ?
Cells need glucose for energy
What is glucose ?
a sugar that is used in respiration to release energy
what do we form , if we link many glucose molecules together ?
glycogen
what is used as a energy store in animals cells ?
glycogen
what is used as a energy store in plant cells ?
starch
True or false
Lipids are soluble in water
false
what are fats important for ?
1.making cell membranes
2.making hormones
3.insulation
4.long term energy sources
what elements make up proteins ?
1.carbon
2.hydrogen
3.oxygen
4.nitrogen
what are proteins used for ?
1.making enzymes
2.making antibodies
3. making haemoglobin
4. helps build the structure of cells
5.muscle development
what elements make up nucleic acids ?
1.carbon
2.hydrogen
3.oxygen
4.nitrogen
5.phospurous
