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6th ch1 final quiz
| Question | Answer |
|---|---|
| What part of the cell forms a barrier between the cell and its environment | cell membrane |
| Where does photosynthesis take place in a cell | in the chloroplasts |
| DNA the genetic material in cells, is located in a eukaryotic cell’s | nucleus |
| Ribosomes, the organelles that make proteins, are found on the membranes of the | endoplasmic reticulum |
| What are two functions of smooth ER? | Two functions of the endoplasmic reticulum are to produce lipids and to remove toxins |
| Cell theory | all organisms are made up of one or more cells, the cell is the basic unit of all living things, all cells come from existing cells |
| What protects the inside of a cell from the outside world? | cell membrane |
| Organelles that attach to the endoplasmic reticulum and produce most of the cell’s proteins are called | ribosomes |
| Name two types of organelles that release energy | both mitochondria and chloroplasts release energy |
| The organelle that packages and distributes proteins | >> |
| Organelles that contain digestive enzymes | lysosomes |
| Organelles that make proteins | ribosomes |
| An organelle that functions as the main power source of a cell, breaking down sugar to produce energy | mitochondrion |
| Organelles in which photosynthesis takes place | >> |
| A system of folded membranes that functions as the internal delivery system of a cell | endoplasmic reticulum |
| A web of proteins in the cytoplasm that keeps a cell’s membrane from collapsing | >> |
| A rigid structure that gives support to a cell | >> |
| a large organelle that produces and stores the cell’s DNA | >> |
| A barrier that encloses and protects the cell | >> |
| One benefit of being a large organism is that you have | fewer predators |
| What cell part supports the cell and might be made of cellulose or chitin | cell wall |
| A large vesicle that aids in digestion within plant cells the way lysosomes do is called | a vacuole |
| Where do all cells come from | cells |
| Most of a cell’s ATP is made and stored in the inner membrane of the | mitochondrion |
| A group of cells with the same function make up | a tissue |
| What three rolles played by proteins within a cell? | proteins control the chemical reactions in a cell, provide structural support for cells and tissues, and create passageways through the cell membrane |
| A part of the golgi complex can pinch off and form a/an _____, which distributes materials to other parts of the cell | vesicle |
| An organelle that is membrane-bound is | surrounded by membranes |
| Various tissues that work together to perform a specific job from a/an ____ | organ |
| Larger size, longer life, and more-specialized cells are characteristics of _____organisms | multicellular |
| The role of the cell’s ____is to release energy that can be used to power various cellular processes | mitochondria |
| What is cytoplasm? | the fluid inside a cell |
| Energy released by a cell’s mitochondrion is stored in ____ | ATP |
| Cells that are like each other and do the same job form a/an____ | Tissue |
| What does the Golgi complex do in a cell? | it packages and distributes proteins |
| How a part of an organism works is related to how it is built, or its ______ | structure |
| The lowest level of organization is the _____ | cell |
| What part of the cell keeps the cell membrane from collapsing? | cytoskeleton |
| Cells that have no membrane covered organelles are ____ | prokaryotic |
| Most cells are a very small size because | their volume is limited by how large their surface area is |
| Robert Hooke and Anton van Leeuwenhoek not only helped discover cells but also____ | helped develop the microscope |
| Name the two different types of ER. | the two types of endoplasmic reticulum are the rough and smooth ER |
| List the four levels of organization of living things | the levels of organization in order from smallest to largest are cell, tissue, organ, organ system |
| A group of organs that work together from an ___ | organ system |
| What part of the cell acts as the cell’s delivery system? | endoplasmic reticulum |
| An organ system has ____ | two or more organs |
| Scientist Matthias Schleiden contributed to the cell theory by concluding that _____ | all plant parts were made of cells |
| What is smallest unit that can perform all the processes necessary for life? | cell |
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