main main source of energy, and (some animals and other organisms) for structural purposes.
100
What are 3 examples of lipids?
fats, oils, and waxes
100
What is adhesion
It is the attraction between molecules of different substances.
100
Starch is a________
a. protein
b. nucleic acid
c. carbohydrate
d. lipid
Carbohydrate!
200
What elements make up amino acids?
nitrogen, carbon, hydrogen and oxygen
200
What is the ration of carbohydrates?
1:2:1 (carbon, hydrogen, oxygen)
200
How are many lipids formed?
They are formed when glycerol molecules combine with fatty acids
200
What is the process in which macromolecules are formed by smaller molecules?
Polymerization
200
Many carbon molecules in living things are so large they are called?
Macromolecules
300
Name a source of protein
meat
300
What is another word for single sugar molecules and what are examples.
What is monosaccharides. Glucose, galactose and fructose.
300
When is the fatty acid said to be unsaturated?
When there is atleast one carbon-carbon double bond.
300
What is the function of phosphorous?
What is to give energy in the form of ATP
300
Name 3 examples of polysaccharides
glycogen, starch, cellulose
400
What is an example of a protein
Enzymes
400
What are polyunsaturated fats
Lipids whose fatty acids contain more that one double bond.
400
What is the major source of carbohydrates
What is Plants
400
What is cohesion
What is the attraction between molecules of the same substance.
500
What are the covalent bonds that link amino acids together to form polypeptides
What is peptide bonds
500
What is the major component of both wood and paper?
What is cellulose
500
True or False
Are lipids soluble in water?
False
500
How do plants draw water from the roots up into the leaves and stem
Through capillary action.
500
What are the 4 levels of organization in a protein?
1. The sequence of it's amino acids
2. Folding or coiling the polypeptide chains
3. Complete three-dimensional arrangement of a polypeptide chain
4. How the different polypeptides are arranged with respect to each other.