| A | B |
|---|
| Fractional distillation is the separation of petroleum into its individual carbon compounds | True |
| A peptide containing a large number of amino acids is called a lipid | False |
| Lipids control the production of DNA | False |
| When a peptide contains a large number of nucleic acids, the material is called a protein | False |
| A carbohydrate that contains ten hydrogen atoms also contains five oxygen atoms | True |
| To be healthy, a person should eat no lipids | False |
| Chemists break up DNA into its nucleotide components and use radioactive and x-ray methods to obtain a picture of the nucleotide patterns | True |
| Most of the important biological compounds in your body are polymers | True |
| Compounds containing carbon are inorganic compounds | False |
| Jet fuel has a higher boiling point than gasoline | True |
| Starch is made of monomers of the sugar glucose | True |
| DNA is a ____ | nucleic acid |
| An isomer of a compound with the formula C2H6 would have the formula____ | C2H6 |
| Plastic is a(n)_____ | polymer |
| Cholesterol is a(n)_____ needed to build cell membranes | lipid |
| An organic compound that has a -COOH group and a -NH2 group is a(n)____ | amino acid |
| The individual molecules that make up a polymer are called_____. | monomers |
| A polymer formed from amino acids is a _____ | protein |
| The structure of benzene can best be described as a _____. | ring |
| what explains why there are so many organic compounds? | Carbon can form four covalent bonds |
| How many electrons does a carbon atom have in its outer energy level | 4 |
| Chemists and engineers separate petroleum into its individual compounds by____. | boiling point |
| What is true about all aromatic compounds? | They contain a benzene ring structure |
| All of the following come from petroleum except___. (most dyes, gasoline, sugar, plastics) | sugar |
| ____ account for 15 percent of your total body weight | Proteins |
| Of the millions of carbon compounds known today, more than 90 percent of them are considered ________. | organic compounds |
| Explain why deoxyribonucleic acid can be described as a polymer? | DNA is made up of monomers of nucleic acid. They link together forming a polymer. |
| What is a fossil fuel?? give some examples | fossil fuels are nonrenewable energy resources. oil, natural gas, coal |
| What is an isomer?? | compounds with the same chemical formula, but different molecular structures and shapes |
| Formula for Alkane== | CnH2+2 |
| Formula for Alkene== | CnH2n |
| Formula of Alkyne== | CnH2n-2 |
| polymers used in shopping bags and plastic bottles | polyethlene |
| a mixture of thousands of carbon compounds | patroleum |
| polymers formed from amino acids | proteins |
| polymers that control the activities and reproduction of cells | nucleic acids |
| biological compounds that contain twice as many hydrogen atoms as oxygen atoms | carbohydrates |
| organic compounds who structural formulas contain the benzene ring | aromatic compounds |
| most compounds that contain carbon | organic compounds |
| used in structure and repair of body tissues | protein (ex. hemoglobin) |
| contains hydrogen and oxygen atoms in a 2:1 ratio | carbohydrate (ex. sucrose) |
| substituted hydrocarbon with -OH groups replacing hydrogen | alcohol (ex. ethanol) |
| Its structural formula contains the benzene ring | aromatic compound (ex. naphthalene) |
| combines through peptide bonds | amino acids (ex. glycine) |
| contains same elements as carbohydrates but in different proportions | lipid (ex. vegetable oil) |
| polymers that control heredity and cell activities | nucleic acids (ex. DNA) |
