Term
|
Definition
| interaction between valence electrons of 2 or more atoms |
|
|
Term
| How are covalent bonds formed? |
|
Definition
| when atoms SHARE electrons |
|
|
Term
| Describe a non polar covalent bond |
|
Definition
| equal sharing between two atoms |
|
|
Term
| 3 important non-polar molecules: |
|
Definition
|
|
Term
| Molecules that are insoluable in water are said to be: |
|
Definition
| hydrophobic (literally means water fearing) |
|
|
Term
|
Definition
| when 1 or more valence electron completely transferred to another atom |
|
|
Term
| Describe a polar covalent bond |
|
Definition
| unequal sharing of electrons |
|
|
Term
| 3 important polar molecules: |
|
Definition
| H2O, glucose-simple sugar, AA-amino acid |
|
|
Term
| Molecules that are soluable in water are said to be: |
|
Definition
| hydrophilic (water-loving) |
|
|
Term
|
Definition
| a weak attraction between positive and negative areas on DIFFERENT molecules |
|
|
Term
| What property of water is associated with hydrogen bonds between water molecules? |
|
Definition
|
|
Term
| unstable isotopes are called _______ |
|
Definition
|
|
Term
|
Definition
| Energy emitted by radioisotopes |
|
|
Term
| __________ bonds are found in primary structure |
|
Definition
|
|
Term
| ______ bonds are found in secondary structures |
|
Definition
| peptide & hydrogen bonds (between amino acids) |
|
|
Term
| _______ bonds are found in tertiary structures |
|
Definition
| peptide, hydrogen, and disulfide |
|
|
Term
| ______ bonds are found in quaternary structures |
|
Definition
| 2 or more polypeptide chains bonded together |
|
|
Term
| Four functions of proteins are: |
|
Definition
1. enzymes-specific chemical reactions
2. carriers (ex: oxygen in blood)
3. receptors in cell membranes
4. channels in cell membrane |
|
|
Term
| What are the 3 subunits of a nucleotide? |
|
Definition
| 5 carbon sugar, phosphate group, nitrogenous base |
|
|
Term
| Name the 4 nitrogenous bases found in DNA: |
|
Definition
| guanine, cytosine, adenine, & thymine |
|
|
Term
|
Definition
| mRNA (messenger), tRNA (transfer), rRNA (ribosomal) |
|
|
Term
|
Definition
| take out water and make bond, produces a molecule of water |
|
|
Term
|
Definition
| means "water break" results in breaking of a water molecule |
|
|
Term
| the 4 general types of lipids are: |
|
Definition
| phospholipids, triglyceride, prostoglandins, steroids |
|
|
Term
|
Definition
|
|
Term
| glycerol and fatty acids > |
|
Definition
| triglyceride > ester bonds |
|
|
Term
| glucose > carbohydrates > |
|
Definition
|
|
Term
|
Definition
| DNA & RNA > hydrogen bonds |
|
|
