To write:
The given terms under appropriate headings that best describes them
Introduction:
Eukaryotic cells contain organelles that allow the specialization and separation of functions within the cell. The plasma membrane functions as a boundary between the inside and outside environments.
Answer to Problem 3MI
Cell structure (5) | Related to genetic material (2) | Food, Storage, and Waste (5) | Energy (2) |
Cell wall | Nucleolus | Cytoplasm | Chloroplast |
Cilium | Ribosome | Endoplasmic reticulum | Mitochondrion |
Cytoskeleton | Golgi apparatus | ||
Flagellum | Lysosome | ||
Centriole | Vacuole |
Explanation of Solution
Cell wall- It is a rigid wall outside the plasma membrane for additional support and protection. It gives support to a plant cell.
Cilium- It is a hair like projection made of microtubules. It helps the cell to move and feed. Cilia have wave like motion. A cell has many cilia.
Cytoskeleton- It is a supporting network of long, thin protein fibers that form a framework for the cell and provide an anchor for the organelles inside the cells. It is made up of substructures called microtubules and microfilaments.
Flagellum- It is a kind of projection that allows the cell to move or to move substances along the surface of the cell. It has a whip like motion. A cell has one or two flagella.
Centriole- It is a structure located near the nucleus that functions during cell division.
Nucleolus- It produces ribosomes inside the nucleus.
Ribosome- It helps in synthesis of proteins according to the DNA directions. they are made of RNA and proteins and are not membrane bound.
Cytoplasm- Inside the plasma membrane of a cell is a semi fluid material called cytoplasm. In a prokaryotic cell, all the chemical processes of the cell take place directly in the cytoplasm. In a eukaryotic cell, these processes occur within organelles that are present in the cytoplasm.
Endoplasmic reticulum- It is a series of tightly folded membranes floating in the cytoplasm. It is a site for ribosome attachment and can be smooth or rough depending on whether ribosomes are not attached or attached to its surface. It is a site of cellular
Golgi apparatus- It modifies sorts, and packages proteins into structures called vesicles for transport outside the cell.
Lysosome- It is a vesicle that contains substances that digest excess or worn out organelles. They contain digestive enzymes.
Vacuole- It is a membrane bound storage compartment in a cell. Vacuoles store food and enzymes. They may even store wastes until they can be removed from the cell.
Chloroplast- It is a plant organelle that traps sunlight and converts it to chemical energy. It is a plastid that contains green pigment chlorophyll. It also stores energy in the form of sugar molecules.
Mitochondrion- It is found in both plants and animals and converts energy stored in food to a form that can be readily used by cells.
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