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- Plants are eukaryotes, which means their cells contain a membrane-bound nucleus and other membrane-bound organelles. Their cells are surrounded by a cell wall, which provides structure and support. The main component of these walls is the polymer cellulose. Plants are autotrophic; they make their own food via a process called photosynthesis.
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Oct 21, 2021 · Plant cells are the basic unit and building blocks of life in organisms of the kingdom Plantae. They are cells that have a distinct nucleus and other cellular organelles enclosed within a membrane and thus are eukaryotic in origin.
How are cells structured? Learn about the size and function of plant and animal cells for GCSE Combined Science, AQA.
- Figure \(\PageIndex{1}\): Alternation of generations between the haploid (1n) gametophyte and diploid (2n) sporophyte is shown. (credit: modification of work by Peter Coxhead)
- Figure \(\PageIndex{2}\): This life cycle of a fern shows alternation of generations with a dominant sporophyte stage. (credit "fern": modification of work by Cory Zanker; credit "gametophyte": modification of work by "Vlmastra"/Wikimedia Commons)
- Figure \(\PageIndex{3}\): This life cycle of a moss shows alternation of generations with a dominant gametophyte stage. (credit: modification of work by Mariana Ruiz Villareal)
- Figure \(\PageIndex{4}\): This apple seedling is an example of a plant in which the apical meristem gives rise to new shoots and root growth.
Sep 13, 2024 · The kingdom Plantae includes organisms that range in size from tiny mosses to giant trees. Despite this enormous variation, all plants are multicellular and eukaryotic (i.e., each cell possesses a membrane-bound nucleus that contains the chromosomes).
The Plant Kingdom, also known as Kingdom Plantae, encompasses a diverse group of organisms that play a crucial role in our ecosystem. Plants are multicellular, photosynthetic organisms that convert sunlight into chemical energy through the process of photosynthesis.
Jan 18, 2024 · The central vacuole is a large, membrane-bound structure that fills much of the plant cell. The membrane surrounding the central vacuole is called the tonoplast. The central vacuole plays a key role in regulating the cell’s concentration of water in changing environmental conditions.
The process of photosynthesis uses chlorophyll, which is located in organelles called chloroplasts. Plants possess cell walls containing cellulose. Most plants reproduce sexually, but they also have diverse methods of asexual reproduction.
