By khadijah
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The nucleus is like the principal of the school, forming the basis for the cell's activity and growth. The mitochondria are like the cafeteria, where energy production occurs. The endoplasmic reticulum, lysosomes, vacuoles, cell membrane, and other organelles can be compared to different parts of a school, with functions like the hallways, custodian, and lockers, respectively.
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- The cytoplasm contains organelles like chloroplasts and mitochondria and provides a medium for chemical reactions. Chloroplasts contain chlorophyll for photosynthesis while mitochondria are involved in respiration.
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This document defines 25 important vocabulary words related to cells and their structures. It describes key cellular components such as the electron microscope, virions, prokaryotic and eukaryotic cells, DNA, cell membranes, mitochondria, vacuoles, microtubules, microfilaments, ribosomes, and the endomembrane system including the endoplasmic reticulum, Golgi apparatus, and lysosomes. It also defines organelles specific to plant cells like the cell wall, chloroplasts, leucoplasts, and chromoplasts.
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The document discusses the structure and components of plant cells. It identifies the key parts of plant cells including the cell wall, plasma membrane, cytoplasm, nucleus, vacuole, endoplasmic reticulum, mitochondria, chloroplast, Golgi complex, and ribosome. It then provides brief descriptions of the functions of the nucleus, endoplasmic reticulum, Golgi complex, ribosome, mitochondria, chloroplast, and vacuole in plant cells. The document concludes that cells are made of various molecules that are organized into subcellular components.
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The nucleus and principal manage their respective systems, the nucleolus and principal direct functions, and chromatin and teachers contain and pass on information. The endoplasmic reticulum and halls transport objects, mitochondria and lunch rooms provide energy, and vacuoles and water fountains contain and distribute water. Lysosomes and bathrooms dispose of waste, cytoplasm and classrooms support units, and the plasma membrane and schoolhouse maintain structure.
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The nucleus controls the cell like an office, the nucleolus makes ribosomes like a principal, and chromosomes pass information from parent to offspring like teachers pass knowledge to students. The cell membrane gives shape like walls, cytoplasm allows chemical reactions like a chemistry room, vacuoles store nutrients like a cafeteria, mitochondria produce energy from food like a gym, and ribosomes make protein like the food we eat. Organelles connect areas of the cell like halls connect school rooms.
The cell is like a school
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The nucleus is compared to the school principal as it is in charge of what occurs in the cell. The ribosomes are like the vice-principal as they take orders from the principal and help run processes. The endoplasmic reticulum is likened to classrooms where work gets completed, while the Golgi apparatus is the teacher that helps processes finish. Lysosomes act as the janitor to remove waste, and the nuclear envelope allows materials to move in and out like the school's main office.
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- The cytoskeleton, composed of microtubules and microfilaments, provides structural support. Plastids store materials. Centrioles and cilia/flagella are involved in cell movement. The cell wall surrounds plant cells
Plant cell
The document discusses several key components of cells including the cell membrane, nucleus, vacuoles, chloroplasts, cytoplasm, endoplasmic reticulum, Golgi apparatus, mitochondria, and differences between animal and plant cells. The cell membrane forms the boundary of cells and is selectively permeable. The nucleus houses genetic material and controls gene expression. Vacuoles store waste and maintain pressure. Chloroplasts facilitate photosynthesis in plant cells. The cytoplasm and organelles hold cellular structures and mediate metabolic processes.
Types of living cells
Cell membrane
Centrioles
Endoplasmic reticulum
prokaryotes eukaryotes
Golgi apparatus
Lysosomes
Mitochondria
Nucleus and nucleolus Ribosomes
Small vacuoles
Protists
The document describes the structures of several types of cells:
- Amoebas have pseudopods for movement, cytoplasm, a cell membrane, contractile and food vacuoles, and a nucleus.
- Euglenas have a reservoir, nucleus, contractile vacuole, pellicle, chloroplast, nucleolus, and flagellum.
- Parameciums have cilia, contractile and food vacuoles, micronucleus, oral groove, gullet, cytoplasm, and large nucleus.
- Plant cells have a nucleus, chloroplasts, mitochondria, cytoplasm, vacuoles, and a cell wall.
Cell Organelles
The document describes the main cell organelles found in eukaryotic cells, including their structures and functions. It notes that the nucleus is the control center that contains DNA, the cell membrane forms the boundary, and the endoplasmic reticulum transports proteins and lipids. Other organelles mentioned are ribosomes for protein synthesis, Golgi apparatus for packaging molecules, mitochondria for energy production, chloroplasts for photosynthesis in plants, vacuoles for storage, and centrioles aiding cell division.
Cells ppt.presentation
Eukaryotic and prokaryotic cells differ in their nuclear structure and cell division processes. Eukaryotic cells have a membrane-bound nucleus containing chromosomes, while prokaryotic cells lack a membrane-bound nucleus and usually have a single circular chromosome. Eukaryotic cells undergo mitosis for cell division, while prokaryotic cells usually divide by binary fission without mitosis. The document also provides glossaries defining the structures and organelles found within animal cells, plant cells, and their differences.
cell_organelles.ppt
The document discusses the organelles found within eukaryotic cells. It describes the nucleus as the control center that contains DNA. Other organelles discussed include the cell membrane, endoplasmic reticulum, Golgi apparatus, mitochondria, chloroplasts, lysosomes, vacuoles, cytoskeleton, and centrioles. Each organelle performs a specific function that helps the cell carry out its activities.
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.
The Fundamental Unit Of Life.pptx
Thank you for the detailed document on cell structure and function. I learned a lot!
The Cell
Cells are the smallest and fundamental units of life. There are two main types of cells - prokaryotic cells, which are microscopic and consist of a single cell, and eukaryotic cells, which have more complex structures. Plant and animal cells contain similar organelles but also have some differences. Plant cells contain chloroplasts for photosynthesis and a cell wall, while animal cells lack these structures. Both cell types contain a nucleus, mitochondria, endoplasmic reticulum, Golgi bodies, and ribosomes that allow the cell to carry out essential functions.
Cell-Basic Unit of Life
This document discusses the parts of plant and animal cells. It defines a cell as the smallest unit of life and notes there are two main types - prokaryotic and eukaryotic cells. It then lists and describes the major organelles found in plant cells, such as the cell wall, chloroplast, cytoplasm, mitochondria, endoplasmic reticulum, nucleus, vacuole, lysosomes, Golgi complex and ribosomes. A similar list is then provided for the organelles commonly found in animal cells.
Cellsppt presentation-100813001954-phpapp02
Eukaryotic and prokaryotic cells differ in their nuclear structure. Eukaryotic cells have a membrane-bound nucleus containing linear chromosomes, while prokaryotic cells lack a nuclear membrane and have circular chromosomes. Eukaryotic cells undergo mitosis for cell division, while prokaryotic cells usually divide by binary fission. Eukaryotic cells may undergo meiosis to produce gametes.
The basic parts of a cell include the cell membrane, cytoplasm, and nucleus. The nucleus contains genetic material and controls cell functions. Other common cell structures are mitochondria, which generate energy, and chloroplasts in plant cells, which perform photosynthesis. Cells transport materials and synthesize proteins using structures
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By khadijah
- 1. The comparison of the organelles of the plant and animal cell:) By khadijah oby
- 2. Nucleus:The central and most important part of an object, movement, or group, forming the basis for its activity and growth Its like the principle(mr.g)
- 3. Cell membrane: The semipermeable membrane surrounding the cytoplasm of a cell Its like the walls of the school
- 4. Mitochondria: Anorganelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur Its like the cafeteria
- 5. Endoplasmic reticularmembrane: Anorganelle consisting of a network of membranes within the cytoplasm of eukaryotic cells that is important in protein synthesis and folding and is involved in the transport of cellular materials Is like the hallways
- 6. Lysosomes: An organelle in the cytoplasm of eukaryotic cells containing degradative enzymes enclosed in a membrane Is like the custodian
- 7. Vacuoles: A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid Is like the lockers