Term
| What molecule is the most abundent in the human body? At what percent? |
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Definition
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Term
| What are the 7 macronutrients? |
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Definition
| hydrogen, oxygen, nitrogen, carbon, sulfur, phosphorus, calcium |
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Term
| Nonpolar amino acids are hydrophillic or hydrophobic? |
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Definition
hydrophobic
Polar amino acids are the opposite |
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Term
| What type of bonds share electrons b/w 2 atoms? |
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Definition
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Term
| What type of bond is it when when atom has the shared electron more than the other atom? What 2 elements are the most common? Give an example? |
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Definition
(1) polar covalent bond
(2)oxygen and nitrogen
(3)H2O |
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Term
| What type of bond shares electrons equally? |
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Definition
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Term
| What type of bond transfer electrons, when one electron is moved from an element to another? |
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Definition
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Term
| What bond is important in secondary structure of protein and DNA. Important in macromolecules? |
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Definition
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Term
| What type of bond is found in macromolecules in area of double covalent bond such as aromatic rings of aromatic amino acids? |
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Definition
| van der Waals ineractions |
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Term
| What are the 4 most common bonds with Carbon? |
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Definition
| carbon, oxygen, hydrogen, nitrogen |
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Term
| Which element forms stable compounds, and requires high energy to break? |
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Definition
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Term
| What is it called when a carbon has 4 different attached groups? |
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Definition
| asymmetric carbon (chiral center) |
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Term
| What does amphipathic mean? |
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Definition
| Its a macromolecule that has both polar and nonpolar regions. |
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Term
| What is it called when H2O is released? |
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Definition
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Term
| T/F Larger, more complex proteins, especially composed of more than one polypeptide require a chaporone? |
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Definition
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Term
| What type of bond links proteins? |
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Definition
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Term
| What are chains of amino acids joined by peptide bonds? |
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Definition
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Term
| What is difference b/w monomeric and multimeric? |
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Definition
| proteins are either composed of a single polypeptide or multiple polypeptides. |
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Term
| What are the 8 functions of proteins? |
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Definition
| enzymes, structural, motor, transport, storage, signal, receptors, regulate gene expression |
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Term
| T/F Lipids are generally hydrophobic? |
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Definition
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Term
| Name the 7 classes of lipids? |
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Definition
| fatty acids, triglycerides, phospholipids, sphinogolipids, glycolipids, steroids, terpenes |
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Term
| T/F Saturated fatty acids have one or more double bonds? |
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Definition
| False, saturated fats are all single bonds, unsaturated fats have one or more double bonds. |
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Term
| Oils/Fats are mostly saturated/unsaturated? |
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Definition
oils - unsaturated
fats - saturated |
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Term
| T/F phospholipids are found in cell membranes? |
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Definition
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Term
| T/F sphingosine are found in cell membranes? |
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Definition
| False - they are found in nerve cells |
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Term
| What is the most common steroid and is essential for us? |
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Definition
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Term
| What is three 6-carbon rings plus one 5-carbon ring? |
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Definition
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Term
| T/F glycolipids are smphipathic b/c of sugar group? |
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Definition
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