Notes: Chapter FiveDate:
The Structure and Function of Macromolecules
- Polymers
- Polymer –
- Monomer –
- Formation of polymers
- Dehydration reaction –
- Hydrolysis –
- Carbohydrates
- Carbohydrates are also known as ______.
- Monosaccharide –
- Disaccharide –
- Polysaccharide –
- T he general molecular formula is ______. The most common monosaccharide is ______and has the formula ______.
- Glucose has a ______and several ______groups.
- Sugars can be classified by the location of the ______group, by their ______, and by the type of ______they form.
- The covalent bonds formed between each monosaccharide is a ______.
- Polysaccharides
- Polysaccharides are macromolecules of a couple thousand ______joined by glycosidic linkages.
- Examples of polysaccharides
- Starch –
- Glycogen –
- Cellulose –
- Chitin -
- Lipids – Diverse Hydrophobic Molecules
- This group is made up of molecules with one common characteristic, all lipids have little or no ______for ______. All lipids have a ______area, otherwise they are very different from each other.
- Common lipids include:
- The most common lipid is the ______.
- A fat is made of a ______molecule and three ______chains. A fatty acid is essentially a long ______chain.
- Saturated fat –
- examples
- Unsaturated fat –
- examples
- The group of phospholipids are similar to fats, but only have ______fatty acid tails instead of three.
- Phospholipids make up the ______membrane and have many important properties.
- Phopholipids in the cell membrane orientate themselves into a bi-layer with the ______tails pointed at each other and the ______heads point outward.
A cross section of a phopholipid bilayer between two aqueous compartments. Such bilayers, are the main fabric of biological membranes.
- Steroids are another group of lipids. ______is an example of a steroid and so are ______.
- Proteins – Many Structures, Many Functions
- The functional group of a protein is an ______. Polymers of amino acids are called ______. A ______is one or more polypeptides folded into specific conformations.
- The structure of an amino acid. Every amino acid contains an ______group, a ______, a ______group, and an ______group.
- The R group is different in each of the _____ amino acids. The ______of the R group affects the ______of the amino acid.
- Amino acids fall into four groups:
- The covalent bond formed between amino acids is called a ______bond.
- There are four levels of protein structure.
- Primary –
- Secondary –
- alpha helix
- beta sheet
- Tertiary -
- Quanternary –
- Nucleic Acids – Informational Polymers
- There are two types of nucleic acids: ______and ______.
- DNA is the ______material that organisms inherit from their parents.
- CENTRAL DOGMA OF BIOLOGY
- ______ ______ ______
- The structure of nucleic acids
- The monomer of nucleic acid is the ______.
- The nucleotide consists of a ______, a ______, and a ______group.
- The sugar in DNA is ______while the sugar in RNA is ______.
- There are two types of bases found in nucleic acids.
- Pyrimidines –
- Purines –
- As a polymer, the strucuture of DNA is a ______.
- DNA and proteins can be used as a tape measure for ______. We can compare the DNA sequence and the proteins formed between different species to compare their relationships.