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Biology 1 October
October quiz
| Question | Answer |
|---|---|
| the item produced from a chemical reaction | products |
| means having carbon in the compounds | organic |
| particle with a positive charge | proton |
| center of an atom | nucleus |
| the substance in a solution that gets dissolved | solute |
| basic unit of matter | atom |
| substance formed by the chemical combination of two or more elements | compound |
| bond which transfers electrons | ionic |
| organic compound that makes biological membrane | lipids |
| substance that gives off OH or hydroxide ions | base |
| means the nucleus is unstable and breaks down overtime | radioactive |
| a process that changes one set of chemicals into another | chemical reaction |
| the compound that is the main source of energy for a living compound | carbohydrates |
| a substance that speeds up a chemical reaction | catalyst |
| formed by a covalent bonds, the smallest form of a compound | molecules |
| particle with no charge | neutron |
| small substances that come together to form polymers | monomer |
| a mixture using water that is not uniform throughout | suspension |
| a water molecule is this because it has an uneven distribution of electrons | polar |
| means a single sugar | monosaccharide |
| an atom that has a positive or negative charge | ions |
| a mixture using water that is uniform throughout | solution |
| a material composed of two or more elements or compounds that are physically mixed but not chemically combined | mixture |
| means many sugars together, can be in the form of glycogen or starch | polysaccharide |
| substance that gives off hydrogen ions | acid |
| the substance in a solution that does the dissolving | solvent |
| weak acids/bases that prevent sharp sudden changes in ph | buffer |
| the substances that go into a chemical reaction | reactants |
| atoms of the same element that have different number of neutrons | isotope |
| a measurement system that goes from 0-14 and measures the strength of acids and bases | ph scale |
| bond that shares electrons | covalent |
| organic compound that are long chains of amino acids hooked together | proteins |
| organic compound that controls heredity | nucleic acids |
| attraction between molecules of the same substance EX: water to water | cohesion |
| particles with a negative charge | electron |
| a special catalyst in the human body that speeds up reactions | enzyme |
| a pure substance that consists entirely of one type of atom | element |
| a short hand way of writing an element name | symbol |
| an attraction between molecules of different substances EX: water to pond skimmers (bugs) | adhesion |
| START WITH H | ACID |
| START WITH C | HAS CARBON IN IT THUS BEING ORGANIC |
| NEITHER START WITH OH OR H | SALT |
| BELOW 7 ON THE PH SCALE | ACID |
| 7 ON THE PH SCALE | NEUTRAL |
| ABOVE 7 ON THE PH SCALE | BASE |
| THE HIGHER THE NUMBER ON THE PH SCALE (14) | weak |
| THE LOWER THE NUMBER ON THE PH SCALE (0) | STRONG |
| 4 COMPOUNDS OF LIFE | lipids, carbohydrates, nucleic acid, protein |
| NUCLEIC ACIDS (JOBS) | TRANSFER GENETIC INFO |
| CARBOHYDRATES (JOBS) | GIVES ENERGY |
| PROTEIN JOBS | SPEEDS UP REACTION |
| LIPIDS JOB | STORE ENERGY |
| LIPID EXAMPLE | WAXES OILS AND FATS |
| PROTEINS EXAMPLE | MEAT AND MILK |
| NUCLEIC ACID EXAMPLE | DNA AND RNA |
| CARBOHYDRATES EXAMPLES | BREAD AND PASTA |
| IF IT HAS A COMPOUND + ANOTHER COMPOUND AND THEY ARE NOT FORMED TOGETHER YET | REACTANTS |
| AT THE END OF THE FORMULA WHEN EVERYTHING IS ADDED TOGETHER TO MAKE A MIXTURE OR SOMETHING OF THE SORT | PRODUCTS |
| ACID EXAMPLES | ORANGE JUICE AND VINEGAR |
| BASE EXAMPLES | SOAP AND AMMONIA |
| NEUTRAL EXAMPLES | WATER AND SALT |
| indicators | litmus paper, ph paper, cabbage juice, benedict |
| WHAT DO ALL INDICATORS HAVE IN COMMON | they all change color |
| AN ELEMENT THAT HAS A MAXIMUM NUMBER OF ELECTRONS IN THE OUTERMOST ENERGY LEVEL | NEON |
| difference between a solution and a suspension | a solution has no layers and is fully mixed whereas a suspension has seen layers |
| peptide bond | holds amino acids and makes protein |
| water is the | number one solvent |
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