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Bio 103L Exam 1
| Question | Answer |
|---|---|
| What are two chemical products of aerobic cellular respiration? | Carbon Dioxide and water |
| What chemical is your body detecting to make you want to breathe? | Carbon Dioxide |
| If there is no oxygen available, you body will use what kind of cellular respiration? | Anaerobic |
| In cellular respiration, the chemical reactants contain more or less energy than the chemical products? | more |
| What chemical caused the pH indicator to change colors? | Carbon Dioxide |
| Is photosynthesis endothermic or exothermic? | Endothermic |
| Organisms like plants that can create their own organic molecules from inorganic sources are termed what? | Producers |
| Organisms that need premade organic molecules for survival are called what? | Consumers |
| The chemical reactants of photosynthesis contain more or less energy than the products, which means the overall reaction is endothermic or exothermic? | Less, endothermic |
| Which contains more energy per molecule, ATP or glucose? | Glucose |
| What is the basic equation for photosynthesis? | Sunlight(ATP)+Carbon Dioxide+Water= Glucose and Oxygen |
| What is the basic equation for cellular respiration? | Glucose+Oxygen= ATP+Carbon Dioxide+Water |
| List two net products of photosynthesis | Glucose and Oxygen |
| Plants use photosynthesis to convert (organic/inorganic) molecules into (organic/inorganic) molecules. | Inorganic, organic |
| If you remove the foil cover off a tube Elodea and expose it to light, Carbon Dioxide levels should (increase/decrease) and oxygen levels should (increase/decrease) | Decrease, increase |
| In photosynthesis, the chemical reactants have (more/less) energy than the chemical products. | Less |
| A researcher believes that the level of crop yield is influenced by the abundance of pollinators in a field. Generate a null hypothesis. | There is no observable difference in the level of crop yield in a field that has many pollinators versus a field that has no pollinators. |
| Which molecule, detected by silver nitrate, was small enough to pass through the dialysis tubing? | Salt |
| T/F Small charged molecules can usually pass through a cell membrane unaided. | False |
| The specificity of an enzyme to its substrate is related to | An enzyme's 3D structure |
| Which factor can slow the diffusion rate of particles? | Lower the temperature |
| T/F Diffusion of molecules requires ATP | False |
| A sealed dialysis bag containing 10 mL of 5% salt is placed into a 100 mL of a 10% salt solution. Salt cannot diffuse through the membrane. Water will move (into/out of) the dialysis bag. | out of |
| T/F Because they are so small, charged atoms can pass through a cell membrane through simple diffusion. | False |
| List two factors that may affect enzyme activity/efficiency | Temperature and salinity |
Created by:
BrookeBigge
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