Cell Structure and Function Review Learning Goals Explain
- Slides: 48
Cell Structure and Function Review
Learning Goals • Explain the three parts of the cell theory. • Correctly use a compound light microscope to observe plant and animal cells. • Explain individual function and interrelatedness of organelles. • Describe the differences, similarities and evolutionary links between prokaryotic and eukaryotic cells. • Compare and contrast the structure and function of plant and animal cells.
Explain the three parts of the cell theory. • Write three parts of the cell theory.
Explain the three parts of the cell theory. Matthias Schleiden, Botanist, 1837 All plants are made of cells.
Explain the three parts of the cell theory. Theodor Schwann, Physiologist, 1838 All animals are made of cells
Explain the three parts of the cell theory. Rudolf Virchow, 1858 All cells are made from the division of existing cells
How well did you remember the cell theory? A. I remembered and understood all of the cell theory. B. I had to correct one part of the cell theory. C. I had to correct two or more parts of the cell theory. D. I couldn’t remember any of the cell theory.
Correctly use a compound light microscope to observe plant and animal cells. • List the 4 types of microscopes. • Describe the steps, in order, for using a compound light microscope.
Correctly use a compound light microscope to observe plant and animal cells. • List the 4 types of microscopes. Compound Light - 40 x-400 x, Living Specimens, 2 D Dissecting – 3 x – 10 x, Living Specimens, 3 D Transmission Electron - 500, 000 x, Dead, 2 D Scanning Electron – 30, 000 x, Dead, 3 D
Correctly use a compound light microscope to observe plant and animal cells. • Describe the steps, in order, for using a compound light microscope. • Double check for scanning power • Place the slide on stage • Find what you’re looking for and focus with course adjustment. Center the specimen. • Switch to low power and focus with fine adjustment. Center the specimen. • Switch to high power and focus with fine adjustment.
How well did you remember the parts of the microscope learning goal? A. I knew all four types of microscopes and how to use it properly. B. I knew all four types of microscopes and but not how to use it properly. C. I did not know all four types of microscopes but I did know how to use it properly. D. I could only remember parts of this learning goal.
Explain individual function and interrelatedness of organelles.
In the human body, organs perform specialized jobs. For example, the heart transports blood. In cells, tiny ______ carry out specialized jobs. 1. 2. 3. 4. tissues Organ systems organelles Organ systems
The job of a cell wall is to: 1. Protect and provide support 2. Allow cells to photosynthesize 3. Surround the cytoplasm
Which is the organelle that holds the cells DNA (its genome) and is the control center of the cell? 1. 2. 3. 4. mitochondria nucleolus Nucleus cytoplasm
What molecules inside the nucleus allow it to serve as the cell’s control center? 1. 2. 3. 4. 5. DNA carbohydrates proteins Lipids RNA
When you view eukaryotic cells via light microscopy, you see a small dark, dense region inside the nucleus. It is called the: 1. 2. 3. 4. ribosome nucleolus nucleoplasm Nuclear membrane 5. Nuclear pore
These organelles are assembled in the nucleolus. 1. 2. 3. 4. golgi ribosomes vacuoles lysosomes
The structure composed of a network of protein filaments whose job is supporting the cell’s shape, allowing cell movement, & moving organelles inside the cell is the: 1. 2. 3. 4. Cell membrane Cell wall Cytoskeleton Cilium, flagellum
Ribosomes 1. Use light energy to make carbohydrates 2. Make ATP to allow cells to use energy in food 3. Are membrane tube s whose enzymes construct components of membranes & modify proteins 4. Are membrane sacs used for storage 5. Synthesize proteins following gene instructions
Golgi apparatus: 1. Use light energy to make carbohydrates 2. Attach carbohydrate & lipid chains to proteins-marking them for export to final destinations—looks like a stack of pancakes. 3. Make ATP to allow cells to use energy in food 4. Are membrane tube s whose enzymes construct components of membranes & modify proteins 5. Are membrane sacs used for storage
Lysosomes: 1. Use light energy to make carbohydrates 2. Attach carbohydrate & lipid chains to proteins-marking them for export to the cell membrane—looks like a stack of pancakes. 3. Make ATP to allow cells to use energy in food 4. Synthesize proteins following gene instructions 5. Are membrane sacs filled with digestive enzymes used to break down food to smaller particles or to recycle worn out organelles.
Vacuoles: 1. Use light energy to make carbohydrates 2. Attach carbohydrate & lipid chains to proteins-marking them for export to the cell membrane—looks like a stack of pancakes. 3. Make ATP to allow cells to use energy in food 4. Are membrane tube s whose enzymes construct components of membranes & modify proteins 5. Are membrane sacs used for storage
Chloroplasts: 1. Use light energy to make carbohydrates 2. Attach carbohydrate & lipid chains to proteins--marking them for export to final destinations—looks like a stack of pancakes. 3. Make ATP to allow cells to use energy in food 4. Are membrane tube s whose enzymes construct components of membranes & modify proteins 5. Are membrane sacs used for storage 6. Synthesize proteins following gene instructions
Mitochondria: 1. Use light energy to make carbohydrates 2. Attach carbohydrate & lipid chains to proteins-marking them for export to final destinations—looks like a stack of pancakes. 3. Make ATP to allow cells to use energy in food 4. Are membrane tube s whose enzymes construct components of membranes & modify proteins
What is the function of the mitochondria? 1. 2. 3. 4. Make lipids Make proteins Control the cell Make energy
What is the function of ribosome. S? 1. 2. 3. 4. Make lipids Make proteins Control the cell Package and transport materials
Which of the following organelles are found only in plant cells? 1. 2. 3. 4. Mitochondria Chloroplast Golgi apparatus Lysosomes
Which of the following cells do not have nuclei? 1. 2. 3. 4. Plant Animal Eukaryote Prokaryote
Where is dna located in a eukaryotic cell? 1. 2. 3. 4. Mitochondria Nucleus Cytoplasm Golgi Apparatus
All cells have 1. Nucleus 2. Endoplasmic reticulum 3. Cell Wall 4. Cell Membrane
How well do you know the organelles and their functions? A. I can recall of the organelles, their functions, where they are in the cell and how they work together. B. I can recall of the organelles but am unclear on how some of them work. C. I remember the names of many organelles but don’t know their functions. D. I only remember a few organelles.
Describe the differences, similarities and evolutionary links between prokaryotic and eukaryotic cells.
Describe the differences, similarities and evolutionary links between prokaryotic and eukaryotic cells. Prokaryotes Eukaryotes Both • No nucleus • Nucleus • Living things • Smaller and simpler cells • Larger and more complex cells • DNA • Ribosomes • No membrane bound organelles • Have membrane bound organelles • Most primitive form of life on Earth Examples: • Plants • Animals • Fungi • Protists – single celled (unicellular) organisms Example: bacteria • Cytoplasm • Cell membrane
Describe the differences, similarities and evolutionary links between prokaryotic and eukaryotic cells. List four things that are different between eukaryotic and prokaryotic cells. Put these differences in order from most important to least important.
What is a membrane bound structure that contains genetic material and controls many of the cell’s activities? 1. 2. 3. 4. Prokaryote Eukaryote Nucleus Cell membrane
Which of the following cells do not contain a nucleus? 1. Animal cell 2. Plant cell 3. Bacterial cell
Both prokaryotes and eukaryotes 1. have a nucleus 2. have DNA 3. have membrane bound organelles 4. are the same size
True or false? Eukaryotes are cells that do not have a nucleus. 1. True 2. False
Which type of eukaryotes are often single celled (unicellular)? 1. bacteria 2. protists 3. Fungi like yeasts & molds 4. Mushroom-bearing fungi 5. Plants like trees 6. Animals like brine shrimp or small insects
How well do you know the differences between eukaryotic and prokaryotic cells? A. I can recall and explain all of the major differences and similarities. B. I can list all of the major differences and similarities. C. I only know a few major differences or similarities. D. I don’t remember the differences between these two types of cells.
Compare and contrast the structure and function of plant and animal cells.
Animals and plants are always multicellular with specialized (they look different & function differently) cells.
Cell walls protect cells from bursting and provide them support against pressure (so they don’t get crushed). Which kingdom (the only one) NEVER has cell walls? 1. 2. 3. 4. 5. 6. Animal Archaebacteria Eubacteria Fungi Protists plants
Which structure is found in (specific to) a plant cell but not an animal cell. 1. 2. 3. 4. Chloroplasts lysosomes mitochondria Rough endoplasmic reticulum (RER) 5. Smooth ER (SER)
Compare and contrast the structure and function of plant and animal cells. List three things that are different between plant and animal cells. Put these differences in order from most important to least important.
How well do you know the differences between plant and animal cells? A. I can recall and explain all of the major differences and similarities. B. I can list all of the major differences and similarities. C. I only know a few major differences or similarities. D. I don’t remember the differences between these two types of cells.
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