Term
What are organic molecules? |
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Definition
Those containing carbon and hydrogen |
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Term
If two carbon atoms share one pair of electrons, they are said to have what type of bond? |
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Definition
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Term
If two carbon atoms share two pairs of electrons, what type of bond are they said to have? |
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Definition
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What are molecules with exactly the same atoms arranged in exactly the same sequence yet differ with respect to the spatial orientation of a key functional group? |
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Definition
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Term
What forms of stereoisomers of amino acids occur in living systems? |
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Definition
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Term
What forms of stereoisomers of sugars occur in living systems? |
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Definition
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Term
What group of organic molecules have the general formula CH2O (CnH2nO2)? |
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Definition
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Term
What is a synonym for simple sugar? |
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Definition
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Term
What is a synonym for a double sugar (two monosaccharides joined together)? |
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Definition
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Term
What is formed when many monosaccharides are joined together? |
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Definition
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Definition
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Term
What type of reaction bonds unit molecules together by remove a hydrogen from one and a hydroxyl group from another and thus forming a water molecule? |
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Definition
Dehydration Synthesis (condensation) |
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Term
What type of reaction adds a hydrogen and a hydroxyl group to a molecule to split it into unit molecules? |
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Definition
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Term
What group of organic molecules includes several types that differ in chemical structure but have the common characteristic of being insoluble in water? |
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Definition
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Term
What subcategory of lipids includes fats and oils and are formed by the condensation of one molecule of glycerol and three fatty acid molecules? |
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Definition
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Term
What molecule consists of a nonpolar hydrocarbon chain with a carboxyl group (COOH) on the one end? |
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Definition
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Term
If within a fatty acid the carbon atoms of the hydro carbon chain are joined by single covalent bonds so that each carbon can also bond with two hydrogen atoms, what adjective describes the molecule? |
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Definition
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Term
If within a fatty acid one or more double bonds occur between carbons within the hydrocarbon chain, what adjective describes the molecule? |
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Definition
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Term
What is a synonym for triglycerides? |
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Definition
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Term
What type of molecules are derived from fatty acids and includes four-carbon-long acidic molecules (acetoacetic acid and beta-hydroxybutyric acid) and acetone? |
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Definition
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Term
What condition occurs when fat is rapidly broken down and levels of ketone bodies are elevated in the blood? |
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Definition
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Term
What condition occurs when there are sufficient amounts of ketone bodies in the blood to lower the pH? |
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Definition
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Term
What group of lipids contains a phosphate group? |
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Definition
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Term
What are spherical aggregations of phospholipids in aqueous solutions? |
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Definition
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Term
What are phospholipids that break surface tension in the lungs? |
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Definition
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Term
What type of molecule has three six carbon rings joined to one five carbon ring? |
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Definition
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Term
What molecule is the precursor to steroid hormones produced by the gonads and adrenal cortex? |
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Definition
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Term
What sex hormones are produced by the ovaries? |
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Definition
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Term
What steroid is produced by the testes? |
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Definition
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Term
What group of steroid is produced by the adrenal cortex? |
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Definition
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Term
What molecule is formed by a fatty acid with a cyclic hydrocarbon? |
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Definition
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Term
What type of molecule consists of long chains of amino acids? |
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Definition
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Term
What type of sub-unit molecules form proteins? |
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Definition
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Term
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Definition
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Term
How many different amino acids occur in living systems? |
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Definition
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Term
What type of bond occurs between amino acids? |
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Definition
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Term
What level of protein structure consists of the sequence of amino acids? |
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Definition
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Term
What level of structure of a protein results in an alpha helix or a beta pleaded sheet? |
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Definition
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Term
What level of structure of a protein produces the complex three-dimensional structure of the molecule? |
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Definition
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Term
What is the irreversible change of a protein due to an increase in temperature or a change in pH? |
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Definition
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Term
What level of structure of a protein is formed by the bonding of a number of polypeptide chains? |
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Definition
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Term
What type of molecule is formed by the conjugation of a protein and a carbohydrate? |
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Definition
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Term
what type of molecule is formed by the conjugation of a protein and a lipid? |
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Definition
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Term
List the five functional categories of proteins: |
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Definition
1.structural proteins 2.enzymes 3.antibodies 4.carriers 5.receptors |
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Term
What are the unit molecules of nucleic acids? |
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Definition
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Term
What are the two main types of nucleic acids? |
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Definition
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Term
What are the three components of a nucleotide? |
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Definition
a five carbon sugar, a nitrogenous base, a phosphate group |
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Term
What type of nucleotide consists of a single ring of carbon and nitrogen? |
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Definition
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Term
What type of nucleotide consists of two rings of carbon and nitrogen? |
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Definition
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Term
What nucleic acid serves as the genetic code? |
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Definition
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Term
What is the full term for DNA? |
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Definition
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Term
What sugar occurs in DNA? |
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Definition
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Term
What are the four bases found in DNA? |
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Definition
Guanine,Adenine (PURINES), Thymine, Cytosine (PYRIMIDINES) |
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Term
What molecules form the backbone of DNA? |
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Definition
the sugars and phosphates |
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Term
If we think of DNA as a ladder what molecules form the rings of the ladder? |
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Definition
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Term
What is the general shape of DNA? |
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Definition
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Term
In DNA, what bases pair with what bases? |
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Definition
Adenine to thymine and guanine to cytosine |
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Term
What is the full name of RNA? |
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Definition
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Term
What sugar is found in RNA? |
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Definition
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Term
How many strands make up an RNA molecule? |
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Definition
One (unlike DNA which has 2) |
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Term
What three types of RNA function in protein synthesis? |
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Definition
mRNA(messenger RNA), rRNA (Ribosomal RNA), tRNA (Transfer RNA) |
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