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What is the structure and function of an onion epidermal cell?
The structure of an onion epidermal cell consists of a cell wall, cell membrane, cytoplasm, and a large central vacuole. The function of an onion epidermal cell is to provide protection for the plant, regulate water and nutrient uptake, and help with gas exchange through stomata.
What is the substance that helps promote mitosis in epidermal skin?
Epidermal growth factor (EGF) is the substance that helps promote mitosis in epidermal skin cells. EGF stimulates cell growth and division in the epidermis, aiding in the regeneration and repair of skin tissue.
What epidermal cell produces keratin?
Keratinocytes
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.
Which cell junctions prevent epidermal cells from separating under tension?
Desmosomes are the cell junctions that prevent epidermal cells from separating under tension. They form strong connections between neighboring cells by anchoring to the cell's cytoskeleton, providing structural stability to tissues exposed to mechanical stress.
How many chromosomes in an epidermal cell of a daffodil?
A daffodil epidermal cell typically contains 14 chromosomes.
What is the structure and function of an onion epidermal cell?
The structure of an onion epidermal cell consists of a cell wall, cell membrane, cytoplasm, and a large central vacuole. The function of an onion epidermal cell is to provide protection for the plant, regulate water and nutrient uptake, and help with gas exchange through stomata.
Does an onion epidermal cell have depth?
yes
Which cell functions as a part of the immune system?
An epidermal dendritic cell.
How are epidermal cell designed to perform protective function?
The epidermal cell have cuticle (in plants) or chiten (in animals) on their outer tangential walls to perform protective function.
What is a epidermal cell?
it is a thin layer that can be peeled out from an onion.
What is a brief description of the observed epidermal cell?
"skin"
Which structure in an onion epidermal cell is semipermeable?
The cell membrane is the semipermeable structure in an onion epidermal cell. It regulates the passage of molecules in and out of the cell, allowing only certain substances to pass through while restricting others.
How can epidermal cell show that plant grows in a dry habitat?
Alternatively, in plants growing in dry habitats, the epidermal cell walls and cuticles are typically very thick. In pines (Pinus sp.) the epidermal cells of the needles have layers of secondary wall material that almost fill the cell cavity.
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.
What is the epidermal region involved in rapid cell division and is most inferior epidermal layer?
The stratum basale, also known as the basal cell layer, is the epidermal region involved in rapid cell division. It is the deepest epidermal layer where actively dividing stem cells are found, giving rise to new keratinocytes that migrate toward the skin surface.
The chromosome number in an egg cell nucleus of a plant is 14 What is the normal chromosome number in a root epidermal cell of the same plant?
The normal chromosome number in a root epidermal cell of the same plant would also be 14. This is because both the egg cell and the root epidermal cell are part of the same plant organism, so they would have the same chromosome number.
