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The epidermal cells of sponges are responsible for cell adhesion and maintenance of their shape and structure. The epidermis is composed of pinacocytes (epidermal cells) which are flattened cells in the sponge's body wall.
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What epidermal cell compose about 8 percent epidermal cells?
Merkel cells compose about 8% of the epidermal cells. These specialized cells are found in the deepest part of the epidermis and are involved in the sensation of touch.
Where are the epidermal cells of an onion located?
The epidermal cells of an onion are located on the outermost layer of the onion bulb, forming a protective barrier.
Why are chloroplasts absent in onion epidermal cells and potato tubular cells?
Onion epidermal cells and potato tuber cells do not contain chloroplasts because they do not require photosynthesis for energy production. These cells mainly function in storage and support, so they do not need chloroplasts for the process of photosynthesis.
Where do epidermal cells get their nutrients?
Epidermal cells receive nutrients primarily through diffusion from the underlying dermis layer, where blood vessels supply nutrients. Additionally, some epidermal cells can also absorb nutrients from sweat and sebum produced by skin glands.
Where can you find onion epidermal cells and what is their significance in plant biology?
Onion epidermal cells can be found in the thin, transparent layer on the surface of an onion bulb. These cells are significant in plant biology because they are commonly used in science experiments to study cell structure, division, and function. They are also used to observe processes such as osmosis and plasmolysis.
What organisms are found in porifera?
Porifera are sea sponges. They have no symmetry (asymmetrical) and they are one of the most basic forms of life. They have a 2 cell layer wall made of collar cells, spicules, amoeba like cells, and a layer of epidermal like cells. The spicules and the amoeba like cells are in between the layer of collar cells and epidermal cells. Sponges also have pores throughout their structure. Porifera include freshwater sponges as well of marine varieties. Freshwater sponges are common although not obvious. Frequently they are green in color due to included algae.
What other organisms are found in the category phylum porifera?
Porifera are sea sponges. They have no symmetry (asymmetrical) and they are one of the most basic forms of life. They have a 2 cell layer wall made of collar cells, spicules, amoeba like cells, and a layer of epidermal like cells. The spicules and the amoeba like cells are in between the layer of collar cells and epidermal cells. Sponges also have pores throughout their structure. Porifera include freshwater sponges as well of marine varieties. Freshwater sponges are common although not obvious. Frequently they are green in color due to included algae.
What is the function of the epidermal cell?
protects skinThe function of the cells in the epidermis is to die and form a protective layer around the body.
What cellular structures are found in the epidermal cells of humans but not in epidermal cell of leaves?
Melanocytes, which produce melanin for skin pigmentation, are found in human epidermal cells but not in leaf epidermal cells. Additionally, human epidermal cells contain structures like Langerhans cells for immune response, which are not present in leaf epidermal cells.
Do epidermal cells from petunia stain with phloroglucinol?
No, epidermal cells from petunia do not stain with phloroglucinol. Phloroglucinol is typically used to stain lignin in plant tissues, not epidermal cells. The stain mainly reacts with lignin, which is absent in the epidermal cells.
Which is an epidermal cell with an immunological function?
Langerhans cells are epidermal cells that play a key role in the immune response by capturing and presenting antigens to immune cells. They are part of the skin's immune system and help in defending against pathogens.
Do sponges have specialized cells?
it has no muscles thats how it can function
What are epidermal dendritic cells?
Langerhans cells
Epidermal cells are supplied with nutrients from blood vessels located in the?
Epidermal cells are supplied with nutrients from blood vessels in the
Are sponges unicellular?
If you're talking about kitchen sponges, they do not have cells. However, sea sponges have cells.
What epidermal cell compose about 8 percent epidermal cells?
Merkel cells compose about 8% of the epidermal cells. These specialized cells are found in the deepest part of the epidermis and are involved in the sensation of touch.
Does HIV attack epidermal cells?
HIV mainly attacks cells in the immune system. I'm not aware of a major impact on skin (epidermal) cells.
