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Cell Process/Energy
Gr. 7 - Cell Processes and Energy
| Question | Answer |
|---|---|
| What process uses sunlight to make food in plants? | Photosynthesis |
| Where does carbon dioxide enter and oxygen exit a plant? | Stomata |
| Where does the first stage of respiration occur? | Cytoplasm |
| Where does the second stage of respiration occur? | Mitochondria |
| During what phase of cell division does DNA replication occur? | Interphase |
| How many stages are there in the Mitosis phase of cell division? | Four |
| What phase of cell division does a cell's nucleus divide into two nuclei? | Mitosis |
| What stage of mitosis does chromatin condense and forms rod-like structures called centrioles? | Prophase |
| What stage of mitosis do the chromosomes meet in the middle and spindle fibers attach to the centromere? | Metaphase |
| What stage of mitosis do centromere split causing chromosomes to move apart? | Anaphase |
| What stage of mitosis do chromosomes stretch out and form a new nuclear envelope? | Telophase |
| What is the final phase of cell division where the cell pinches off to form two identical cells? | Cytokinesis |
| What are the raw materials of photosynthesis? | Carbon Dioxide and Water |
| What are the products of photosynthesis? | Sugar and Oxygen |
| What does adenine pair with in DNA replication? | Thymine |
| What does cytosine pair with in DNA replication? | Guanine |
| What is the pigment in green plants that captures the energy in sunlight? | Chlorophyll |
| What is each identical rod in a chromosome called? | Chromatid |
| How can you reduce the risk of skin cancer? | Limit Sun Exposure |
| What is an organism that can create its own food? | Autotroph |
| What is an organism that cannot create its own food? | Heterotroph |
| What causes cancer? | Mutations |
| What type of fermentation occurs when yeast and some other single-celled organisms break down sugar? | Alcoholic |
| What type of fermentation takes place in your body? | Lactic acid |
| What are the raw materials of respiration? | Oxygen and Sugars |
| What are the products of respiration? | Carbon Dioxide, Water and Energy |
| Where does photosynthesis take place? | Chloroplasts |
| What is the longest stage the cell cycle? | Interphase |