Wait a second!
More handpicked essays just for you.
More handpicked essays just for you.
Function and structure of a plant cell
Function and structure of a plant cell
Don’t take our word for it - see why 10 million students trust us with their essay needs.
Recommended: Function and structure of a plant cell
There are five kingdoms of organization classifications, but the two most known are Kingdom Animalia and Kingdom Plantae. These two kingdoms have similarities and differences in cell biology and nutrient absorption.
Plant and animal cells are similar in cell biology in that that they both are Eukaryotic cells. Eukaryotic cells contain plasma membranes, DNA, and ribosomes (What Is a Eukaryotic Cell). However, the difference between animals and plants is that animals lack organelles that plants contain. Plants have vacuoles which store material such as water and waste (Vacuole (plants)). Chloroplasts are another key difference between the two. Chloroplasts are organelles that are referred to as plastids. Plastids contribute to storing important
The five kingdom system has developed with time. Living organisms were first grouped according to how they moved, with plants in one kingdom and animals in a second, by Aristotle during the 4th Century BC. In 1700s Linnaeus developed the system of naming organisms, which we still use today, called binomial nomenclature; this system solves the problem of the same species being called many different common names according to region and makes it easy to distinguish between two organisms. To write the scientific name for an organism the Genus name is written first and capitalised and the species name second in lowercase all italicised. In 1894 a third kingdom was added by Ernest Haeckel. This third kingdom was named Protista and contained single-celled eukaryotes and bacteria. Herbert Copeland divided the kingdom Protista in 1956 and created the kingdom Bacteria, this was prompted by the discovery of immense differences between single-celled eukaryotes and prokaryotes (bacteria). Finally in 1959 Robert Whittaker added divided the kingdom Plantae into plants and fungi. Later, 1977, Carl Woese divided the kingdom Bacteria into Eubacteria (true bacteria) and Archaeabacteria (ancient bacteria), this division, although important, is often disregarded in lue of the simpler 5 ...
All eukaryotic cells contain the mitochondrion that is made through this process. However, only some of the eukaryotic cells (plant cells) form chloroplasts through endosymbiosis after the mitochondrion is formed. Some of the prokaryotic cells ingest cyanobacteria. These bacteria contain photosynthetic pigments that are useful in photosynthesis. The cyanobacteria become dependent upon the host cell and can no longer survive on its own. Over time, it becomes the chloroplast, a main organelle of plant cells. The chloroplast is then able to convert energy from the sun to energy-rich sugar molecules which are then converted to chemical energy in the form of ATP. (1)
Chloroplasts will do many things for the cell. Firstly, chloroplasts produce their own energy. No other organelle can do this. Mitochondria require food to make energy. This uses up the cell’s source of energy, making chloroplasts much more efficient than mitochondria. The cell membrane is pretty useless considering it only filters things coming into the cell. Filters do not make good leaders, just saying. Additionally, cell membranes filter in negative substances to the cell. They can let in diseases that can be fatal to the cell and organism. The ribosomes would not exist without chloroplast, so let it go ribosomes.
What is a cell? According to Genetic Home Reference, “Cells are the basic building blocks of all living things.” There are two main branches in which a cell can be categorized. These branches are prokaryote and eukaryote. In the prokaryote category are bacteria; in the eukaryote category are plants and animals. Although plant and animal cells have a lot of differences, they also have their fair share of similarities. For instance, an animal cell has a centrosome, but so does a plant cell.
A cell is the smallest functional unit of an organism, that has a structure. The parts of a cell vary in sizes, functions, and shapes. Cells are usually microscopic and are either eukaryotic or prokaryotic. Eukaryotic cells contain many organelles surrounded by a cellular membrane. Animal and plant cells are eukaryotic. Prokaryotic cells do not have a nucleus and many of the other organelles found in eukaryotic cells. Single cell bacteria are an example of a prokaryotic cell. In our cell project we chose twenty seven organelles of an animal eukaryotic cell. Lastly, we chose to make a walled medieval city to represent our cell.
Covering the cell membrane of the plant cell, there is the cell wall. The cell wall is composed of two
All plents eri medi ap uf doffirint plent cills. Plent cills eri cunsodirid iakeryutoc cills thiy hevi e naclias. Insodi e plent cill thi DNA os lucetid onsodi thi naclias. Thi naclias os besocelly e hiedqaertirs fur e iakeryutoc cill. It elsu sturis thi ginitoc onfurmetoun fur e cill. Orgenillis eri elsu lucetid onsodi plent cills. Thiy hevi ompurtent jubs onsodi thi cill thiy prudaci inirgy fur thi plent cill end thiy elsu prudaci inzymis end hurmuni.
Life on earth is classified into five kingdoms based on what an organism's cells are like. The main division is between cells of the prokaryote kingdom and the four eukaryote kingdoms which are animals, plants, fungi and protoctists.
There are two different types of cells. These are plant cells and animal cells. The plant cells consist of about 13 organelles. The plant cell has a nucleus, nucleolus, and nuclear envelope. It has a smooth endoplasmic reticulum, a rough endoplasmic reticulum and free and attached ribosomes. It also has a cell wall, cell membrane and chloroplasts. Last but not least, there are is the Golgi apparatus, the mitochondrion and the vacuole. The animal cell also has a nucleus, nucleolus, and nuclear envelope. It has a smooth endoplasmic reticulum, a rough endoplasmic reticulum and free and attached ribosomes. It has a cell membrane, Golgi apparatus, centrioles and mitochondrion. An animal cell does not have a vacuole or chloroplasts like the plant
This organelle is the site of photosynthesis in plants and other organisms. In the structure, the chloroplasts has a double membrane, the outer membrane has a continuous boundary. This organelle can be found in a vast group of organelles called the plastid, chloroplasts are usually found in many plant cells but never in animal cells. Chloroplasts organelles are large; they are 4-10um long and 2-3um wide. They are very important to plants because chloroplasts are what plants use to create food from sunlight. Chloroplasts are not found in humans.
According to Linnaeus, the main aim of classification is to explain the evolutionary process of living things and the way they are related to each other. Carl indicated that there are five botanical kingdoms (Pierce, 2007). The five kingdoms are further subdivided in to other diverse and exclusive groups. The following is the hierarchical sequence of classification: the kingdom, phylum, class, order, family, genus, and the species.
Since the needs of different plants completely differ from one another, their parts will surely become different, and this contributes to the wonderful diversity around us. Hopefully, through this exercise, the students would be able to grasp a deeper understanding of the importance of plants around us. Just like the example above, soil erosion can kill thousands of people and can affect the lives of millions more if young individuals such as the students would not become aware of preserving...
Plants contain a great variety of carbohydrates such as polysaccharides (pentosan, hexosans such as cellulose, starch, xylans, etc.), oligosaccharides (stachyose, raffinose, etc.), disaccharides (maltose, sucrose, cellobiose, trehalose, etc.), monosaccharides (glucose, galactose, fructose, etc.), sugar alcohols (glycerol, sorbitol, etc.), sugar acids (uronic acid, ascorbic acid, etc.), esters (tannins), organic acids (citric, tartartic, oxalic, lactic, etc.), proteins (albumins, globulins, gluten, prolamines, amino acids), lipids (fatty acids, phospholipids, glycolipids, etc.), nucleic acids (purine and pyrimidine), vitamins (fat soluble: A, D, E, K; water soluble: thiamine, niacin, riboflavin,
During this semester I had the chance to study plants at a cellular level, and I had the chance to understand how important they are for every organism. Everything we eat comes directly or indirectly from plants. Throughout human history, approximately 7,000 different plant species have been used as food by people (Britanica-online.com). By a process that only plants can do, called photosynthesis, plants are able to convert light energy from the sun into food. In this process plants are able to create food from a chemical reaction that involves carbon dioxide, water, and sunlight. This process is able to produce sugar(food), and oxygen. The sugar created by this reaction it is what holds the energy that herbivores and omnivores get while eating plants. According to a website called botanical-online.com, “All other living organisms on earth feed on organic matter produced by plants and some lower organisms. First, the primary consumers or herbivores that incorporate food in their bodies produced by plants. For example, a rabbit eats the carrot or a crab larvae consume the tiny plant organisms that float
Plant cells have such a large central vacuole for storing water and food. Vacuoles are present in most eukaryotic cells. The large central vacuole in plants allow the plant cell to acquire a large size without the bulk that would make metabolism more difficult.