explain cell parts

 1.Mitochondria

2.Golgi Bodies

3.Endoplasmic Reticulum

4.Ribosomes.

5.Cell membrane (in both plants and animals )

6. Cell wall is only present in plant cells

7.Plastid (present only in plants ),

8 vacuoles (plants)

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Nucleus- Usually shown as an oval or circle, the nucleus is the 'control center' for cells. It contains the DNA (deoxyribonucleic acid) of the cell. DNA is carries the genetic information for that particular cell.

Nucleolus- Within the nucleus is believed to be the nucleolus, an organelle responsible for ribosome production.

Mitochondria- These organelles are the 'powerhouses' of the cell. ATP (Adenosine triphosphate) is the primary source for transferring energy within a cell. ATP is converted into energy by the mitochondria, producing ADP (Adenosine diphosphate). Mitochondria are present in plant and animal cells.

Ribosome- These organelles are integral to overall cell function. Ribosomes create proteins (which make up many things) out of chemicals called amino acids.

Vesicles- These parts, similar in make up to the cell membrane, transport liquids throughout the cell.

Rough Endoplasmic Reticulum- This membranous feature is connected with the nucleus and transports important packages around it. Vesicles will then carry packages over to Golgi apparatuses. The ER has its name because ribosomes cling to it, giving it a non-smooth appearance.

Smooth Endoplasmic Reticulum- Similar in shape to the RER, the smooth ER is primarily responsible for making chemicals called lipids and carbohydrates.Both of these chemicals are integral to cell function.

Golgi Apparatus- This organelle serves as a literal 'post office' for the cell. Like UPS, it packages and transports molecules to their destinations throughout the cell.

Vacuoles- Vacuoles are usually only present in plant life, not animals, like humans. These vacuoles contain water, toxins, enzymes, and other particles for storage.

Lysosomes- These are your 'garbage disposal' organelles. They break down food particles, like vacuoles, for usage by the cell.

Centrioles- These organelles play an important role in cell division, or mitosis. They are present during this time, and their primary function is to move the chromosomes to the poles of the cell.

Cytoplasm- This fluid fills the cell and is responsible for helping to keep shape and hold organelles in place.

Cell membrane- Cell membranes (sometimes called phospholipid bilayers) are composed of two (hence the prefix 'bi') layers made of phospholipids and proteins The lipids form the selectively permeable layer (meaning only certain particles are allowed through). Proteins are built into the layer, which facilitate the movement of particles into the cell.

Cell wall- The cell wall is a function found only in plants. This cellulose layer helps keep the rigid, square shape of plant cells.

Chloroplasts- Chloroplasts are organelles within plant cells which contain chlorophyll, a chemical which is imperative to the proper function of photosynthesis. Chloroplasts only exist in plant cells.

 

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Cell Wall: Technically is not part of the living cell since it is outside the membrane. It provides rigid structural support in plant, fungi, some algae, and prokaryotic cells. The thickness and chemical composition of cell walls can vary between organisms.

Cell membrane: This is the barrier between the living part of the cell and the nonliving environment. It is a selective barrier, allowing some materials but not others to pass. Water and small particles can slip through the phospholipid bilayer while larger and more complex materials must pass through one of the protein channels embedded in the membrane. All cells have membranes.

Cytoplasm: The fluid matrix of the cell. The cytoplasm contains dissolved ions and other materials, allows for the movement of materials within the cell, and allow for movement of organelles during cyclosis. All living cells have cytoplasm.

Nucleus: The nucleus is the “control center” of the cell. The DNA is stored in the nucleus. The DNA is the set of instructions for the cell to function, not only for reproduction, but enzymes and other functions. Only eukaryotic cells have a nucleus.

Plastids: These are structures related to photosynthesis. Different pigments trigger different functions. Chloroplasts are the site of photosynthesis, chromoplasts may be photosynthetic and/or related to seed dispersal, leucoplasts store starch. All plastids begin as protoplasts before differentiation. Only autotrophs have plastids.

Mitochondrion: The powerhouse of the cell, the site of aerobic respiration. Pyruvate is broken down in the Krebs Cycle and chemiosmosis then produces ATP from ADP and phosphate in the presence of oxygen. All eukaryotic cells contain mitochondria.

Vacuole: These membranous sacs have many functions. Material can be transported within the cell, from one organelle to another organelle, Vacuoles can take materials to the membrane for expulsion, or can be formed at the membrane to bring materials into the cell. Plants and eukaryotic algae have a large central vacuole to store metabolic waste and water. Heterotrophs produce vacuoles containing digestive enzymes to break down food particles (called lysosomes). All cells can have vacuoles, but number and types can vary.

Endoplasmic reticulum: E.R. is an organelle that extends throughout the cell. It may be smooth (no ribosomes) or rough (with ribosomes) and is associated with packaging, synthesis, and transport of materials in the cell. These are found in eukaryotic cells.

Golgi Bodies: Stacks of membranes within the cell. They package materials and form vesicles for transport out of the cell. Eukaryotic cells have Golgi Bodies.

Ribosomes: Ribosomes are not organelles, but structures of the cell. They are in the cytoplasm, on rough e.r. and in the nucleus. One of the primary roles of ribosomes is the location of protein synthesis. All cells possess ribosomes.

Cytoskeleton: The cytoskeleton is made of three different structures – microtubules, microfilaments, and intermediate filaments. They are responsible for maintaining the internal shape of the cell, acting as a framework for all the other parts. The cytoskeleton also assists in the movement of organelles and materials in cyclosis and they form the spindle structure during cell division. The cytoskeleton is present in all cells.
                                           

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