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Cell Process/Energy

Gr. 7 - Cell Processes and Energy

QuestionAnswer
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
Created by: kpmueller