Cell organelles
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The document describes the key organelles found in cells and their functions. It discusses the cell membrane, nucleus, cytoplasm, mitochondria, Golgi complex, ribosomes, smooth endoplasmic reticulum, rough endoplasmic reticulum, lysosomes, cell wall, chloroplasts, and central vacuole. Each organelle carries out specific activities important for cellular function, such as controlling passage of materials, storing genetic material, producing proteins and energy, packaging and transporting proteins, and providing structure. The document instructs students to learn and illustrate the organelles.
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3) Mitochondria convert food into ATP for energy in most eukaryotic cells, with more in muscle cells. They have inner and outer membranes.
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This provides a high-level overview of
Cells
This document compares and contrasts plant and animal cells. It lists organelles that are common to both cell types, including the cell membrane, nucleus, mitochondria, ribosomes, endoplasmic reticulum, and Golgi bodies. It then describes specialized structures unique to each cell type - plants contain chloroplasts and cell walls for photosynthesis, while animal cells contain lysosomes and centrosomes. The document provides brief explanations of the function of each organelle to help distinguish key differences between plant and animal cells.
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The document provides information on cells and their structures. It defines the cell as the basic unit of life and describes key cellular components including the cell membrane, cytoplasm, nucleus, organelles like mitochondria and lysosomes, and other structures. It also explains the process of mitosis and how cells divide to form two daughter cells. Additionally, it discusses the four main types of tissues - epithelial, connective, muscle and nervous tissue - and provides details on their characteristics and functions.
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This document discusses the basic building blocks and components of human cells. It describes that cells are the molecular components that make up the intricate cellular structures of the human body, ensuring growth, development and function. It then lists and describes the main intracellular components including the nucleus, nucleolus, cell membrane, cytoplasm, endoplasmic reticulum, mitochondria, ribosomes, and lysosomes. The document also discusses the effects of radiation on cells, noting that radiation can cause cell death or malfunction by interfering with critical functions like protein synthesis. Finally, it briefly introduces the different levels of biological organization and functions of different cell types like nerve, blood, and muscle cells.
Cells and Organelles
This document provides a glossary of terms related to plant and animal cell anatomy and organelles. It defines key cellular structures such as the cell membrane, nucleus, mitochondria, chloroplasts, endoplasmic reticulum, Golgi bodies, vacuoles, lysosomes, and ribosomes. It explains their locations within the cell and basic functions. For plant cells specifically, it also defines the cell wall, chloroplasts, and large central vacuole. The summary concludes that plant and animal cells are eukaryotic cells that contain membrane-bound organelles and a nucleus, while prokaryotic cells like bacteria lack these structures.
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1. What causes convection currents in the mantle?
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2. What is a fault?
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3. Where do most earthquakes occur?
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Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
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Chapter 5
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Chapter 6
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1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
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Cell organelles
- 1. Cell Organelles Biology Neistadt
- 2. An organelle is a membrane- bound structure that carries out specific activities for the cell.
- 3. You will need to know the following organelles and their function: Cell Membrane Nucleus Cytoplasm Mitochondria Golgi Complex Ribosomes Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Cell Wall Chloroplast Central Vacuole Lysosome
- 4. Cell Membrane Every cell is enclosed by a cell membrane. It controls the passage of materials in and out of the cell.
- 5. The cell membrane is sometimes called the plasma membrane. A. True B. False
- 6. Nucleus The control center of the cell. It contains the DNA code for the cell coiled into chromosomes.
- 7. The nucleus is often called the powerhouse of the cell. A. True B. False
- 8. Cytoplasm (not an organelle - but important) All organelles reside (live and float around in) the cytoplasm.
- 9. Mitochondria This organelle processes energy for a cell. It makes ATP. (ATP = energy) Involved in cellular respiration.
- 10. Golgi Complex The protein packaging and transport center of the cell. Has incoming and outgoing vesicles.
- 11. Ribosomes (not an organelle - but important) Synthesizes proteins. Present in the cytoplasm. Present with Rough ER. No membrane present.
- 12. Smooth Endoplasmic Reticulum Transports materials throughout the cell. Digests lipids. Produces proteins.
- 13. Rough Endoplasmic Reticulum Covered with ribosomes. Produces proteins. Transports materials throughout the cell.
- 14. Lysosome Breaks down materials for digestion. Contains special enzymes for digestion in the cell.
- 15. Cell Wall (Plant Cell Only) Rigid and strong wall. Protects and maintains the shape of the cell.
- 16. Chloroplast (Plant Cell Only) Contains chlorophyll. Makes plants green. Uses light energy to make ATP & sugars. Photosynthesis takes place here.
- 17. Central Vacuole (Plant Cell Only) Most plant cells have one large one. Filled w/ fluid. Helps maintains turgor pressure and shape of cell.
- 18. Your Turn: Draw an animal and plant cell. Label the cell parts. Pg 193
- 19. Your Turn… On your paper write the name of the organelle and decorate it in a way that helps you remember what it does: Nucleus Endoplasmic Reticulum (smooth and rough) Golgi Complex Chloroplasts Cell Wall Mitochondria Cytoplasm Ribosomes Lysosomes Central vacuole