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The Cell in Action
Chapter 4: The Cell in Action pgs. 90 - 101 Study Stack for Mrs. Hacker Science
| Question | Answer |
|---|---|
| (term) the movement of water through a membrane | osmosis |
| (term) the movement of substances through a cell membrane without the use of cell energy | passive transport |
| (term) the process by which a cell membrane surrounds and encloses a large particle to bring it into the cell | endocytosis |
| (term) the sac formed around a large particle to allow a cell to take in or remove the particle | vesicle |
| (term) the movement of substances through a cell membrane with the use of cell energy | active transport |
| (term) the movement of particles from regions of higher density to regions of lower density | diffusion |
| (term) the process by which a cell gets rid of large particles | exocytosis |
| During the process of diffusion ______________. | particles more from areas of higher concentration to lower concentration |
| Osmosis is important to cell because ________. | cells are filled with fluids that are made mostly of water |
| Cellular respiration is the process by which _______________. | cells use oxygen to produce energy from food |
| One type of fermentation in muscle cells produces ______. | lactic acid |
| Photosynthesis allows _________. | a plant to produce food (glucose) |
| (term) the process a plant uses in order to create glucose | photosynthesis |
| (term) the place where cellular respiration in eukaryotes takes place | mitochondria |
| (term) the process cells use to produce energy without oxygen | fermentation |
| (term) the substance that supplies energy to fuel cell activities | ATP |
| A eukaryotic cell _____. | has a nucleus |
| How are binary fission and mitosis similar? How do they differ? | They both involve cell division. They differ because binary fission occurs in prokaryotes and mitosis in eukaryotes. |
| What would happen if cytokinesis occurred without mitosis? | There would be one chromosome and the cell would look exactly like one parent cell. |
| In your own words, write a definition for the term "fermentation". | Fermentation is the process by which food is broken down without the use of oxygen. |
| 02 is released during _____. | photosynthesis |
| How are photosynthesis and cellular respiration related? | They go into each other. |
| How are respiration and fermentation similar? How are they different? | They both are used to get energy from food. Cellular respiration uses oxygen to get energy and fermentation doesn't use oxygen to get energy. |
| Applying Concepts: You have been given the job of restoring life to a barren island. What types of organisms would you put on the island? If you want to have animals on this island, what other organisms must you bring? Explain your answer. | I would put many plants and trees because they would produce oxygen and shelter. I would put cows on the island cause they would fertilize the plants. |
| Why is it important for your body produce millions of new cells by the time you finish reading this sentence? | Making many new cells allows you to grow and replace cells that have died to stay with enough cells to live. |
| When does the cell cycle begin? | when the cell is formed |
| When does the cell cycle end? | when the cell divides and makes new cells |
| What must a cell do before it can divide to make a new cell? | Before a cell divides, it must make a copy of its DNA |
| What makes sure that each new cell will be an exact copy of its parent cell? | The DNA of a cell is organized into structures called chromosomes. Copying chromosomes ensures that each new cell will be an exact copy of its parent cell. |
| A cell without a nucleus is a ____ cell. | prokaryotic |
| A cell with a nucleus is a ____ cell. | eukaryotic |
| A chromosome is the main ring of DNA in a _______ cell. | prokaryotic |
| A chromosome is made up of DNA and protein in a ____ cell. | eukaryotic |
| A chromosome is made u of DNA and protein in a ______ cell. | eukaryotic |
| Are bacteria prokaryotic cells or eukaryotic cells? | prokaryotic |
| Bacteria create new cells through a kind of cell division called _____ _____. | binary fission |
| When binary fission is complete, the results are 2 cells that each contain one copy of the circle of ___. | DNA |
| Humans have ___ chromosomes. | 46 |
| Fruit have only _ chromosomes. | 8 |
| Potatoes have ___ chromosomes. | 48 |
| Chromosomes line up into pair called __. | homologous chromosomes |
| In the beginning of the eukaryotic cell cycle, the cell grows and duplicates its ____ and ___. | organelles : chromosomes |
| After a chromosome is duplicated, the 2 copies are called _____. | chromatids |
| Before mitosis begins, what paired cell structures are copied? | the chromosomes |
| What happens in the third stage of the eukaryotic cell cycle? | the cell splits into 2 |
| What happens in the 2nd stage of the eukaryotic cell cycle? | the chromatids separate |
| What is the first stage of mitosis called? | the interphase |
Created by:
samfino
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