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javarious stack
| Question | Answer |
|---|---|
| What is a unicellular organism? | A organism with a single cell. |
| What is the cytoskeleton? | A network of protein filaments. |
| Are eukaryotic cells multicellular? | Yes. |
| Are prokaryotic cells multicellular? | No. |
| What were the first cells to inhabit earth? | Prokaryotic cells. |
| What is homeostasis? | A state of relatively constant internal physical an chemical conditions. |
| Does passive transport require energy? | No. |
| What is osmosis an example of? | Facilitated Diffusion. |
| Why is chloroplast green? | Chlorophyll. |
| What is the currency that all cells of life use? | ATP. |
| What is an electron carrier? | a compound that can accept a pair of high energy electrons and can transfer them and their energy to another. |
| What are the three stages of cellular respiration? | Glycolysis, Krebs Cycle, and Electron Transport. |
| What does the ETC consist of? | A series of proteins and enzymes. |
| What are chromosomes made of? | DNA. |
| Where are DNA molecules found. | In the cytoplasm. |
| What is asexual reproduction? | The production of genetically identical offspring from a single parent. |
| What is sexual reproduction? | involves the fusion of two seperate cells. |
| What does sexual reproduction produce? | genetically diverse individuals. |
| Whar are the four stages of the Eukaryotic Cell Cycle? | G1, S, G2, and M |
| What are the first three stages of the Eukaryotic cell cycle known as? | Interphase. |
| What is the cell cycle? | a series of events during which a cell grows, prepares for division, and then divides to form 2 daughter cells. |
| How is cytokinesis in animal cells started? | WIth the formation of the cleavage furrow, a depression or pinching of the plasma membrane. |
| What are the main checkpoints of the cell cycle? | G1, G2, and Mitosis checkpoint. |
| How does a cell stay alive? | By allowing food, water and oxygen to enter through its membrane. |
| What is chemiosmosis? | A process within the ETC; it drives the production of ATP. |
| What happens during chemiosmosis? | Proteins are moved across the inner mitochondrial membrane. |
| What do light dependent reactions use? | Light energy and water. |
| How are electrons re energized? | in PSI |
| Do autotrophs require food? | No. |
| Do heterotrophs require food? | Yes. |
| What is an example of a autotrph? | Plants |
| What is an example of a heterotroph? | Animals. |
| What percentage of foods you eat are carbohydrates? | 60% |
| Where does a plant get energy needed to pull a water molecule apart to release electrons? | Sun rays. |
| Where do the atoms that make up carbohydrates originally come from? | CO2. |
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