Question | Answer |
Define Metabolism | All chemical reaction in an organism |
Define photosynthesis | Light energy is converted into chemical energy by producers; uses enzymes |
Define producers | make their own food |
What is the relationship between photosynthesis and producers? | -most producers use sunlight to make their own food -they absorb sunlight and break it down for energy. |
What is the equation for photosynthesis? | 6CO2 + 6H2O + energy ---- C6H12O6 + 6O2
carbon dioxide water yields glucose oxygen |
Define cellular respiration. Explain where in the cell it occurs. What is needed for the most glucose to be broken down? | -Chemical reactions that break down glucose into simpler substances and released stored energy. - starts in cytoplasm and then moves into mitochondria. - uses oxygen to break down glucose for ATP (energy) |
What is the equation for respiration? | C6H12O6 + 6O2 ---- 6CO2 + 6H2O + Energy. also
glucose oxygen carbon dioxide water |
Define fermentation.... there are 3 parts | - breakdown of glucose begins in cytoplasm and does not move into mitochondria - occurs when oxygen is not present- does not release as much energy as respiration. |
what are waste products of fermentation. | -lactic acid-formed in muscles cells after exercise - formed by some bacteria and is used to make yogurt and cheese. -alcohol and carbon dioxide- formed when yeast breaks down glucose. |
explain the relationship between photosynthesis and respiration. | photosynthesis makes the glucose that is broken down during respiration for energy. |
what is the relationship between chloroplasts and mitochondria? | chloroplasts absorb sunlight to make the glucose and mitochondria break down glucose for energy. Plants and animals have mitochondria. Plants only have chloroplasts |
what is the difference between suspension and a solution? | Both are mixtures but a solution has particles that are evenly mixed while a suspension does not. Therefore, particles fall out and fall to the bottom. |
what is the difference between lipids and proteins? Why do cells get more energy from carbohydrates? | -lipids are fats and oils -proteins are use to build muscles. |
what is the difference between a control group and a experimental group? | A control group does not change and is used for comparison. An experimental group has variable that is manipulated (changed). |
What is the difference between an independent variable and a dependent variable? | An independent variable is changed in an experiment. A dependent variable changes due to the independent variable. |