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What type of Nails are hard plates of dead epidermal cells that have been converted into?
Nails are hard plates of dead epidermal cells that have been converted into keratin, a tough, fibrous protein. This transformation occurs in the nail matrix, where new cells are produced and push older cells outward, leading to the formation of the nail. The keratin provides strength and resilience, allowing nails to protect the fingertips and enhance tactile sensitivity.
What protein is responsible for nail hardness?
The protein responsible for nail hardness is called keratin. Keratin is a tough, fibrous protein that serves as the building block for nails, hair, and the outer layer of skin. It provides strength and structure to the nails, making them hard and resilient.
What is the substance that makes a plant woody?
The substance which makes plants woody is lignin. The wood part of plants ( bark in trees ) is made entirely of xylem which is the transport vessel that carries water from the roots to the leaves. Since wood is made of lignified xylem which is very hard, it makes it woody and hard.
What organic substance makes the walls of sclerenchyma cells tough and hard?
The walls of sclerenchyma cells are made tough and hard primarily due to the presence of lignin, an organic polymer. Lignin provides structural support and rigidity, allowing these cells to withstand mechanical stress. In addition to lignin, sclerenchyma walls may also contain cellulose, which contributes to their overall strength. Together, these substances enable sclerenchyma cells to play a crucial role in supporting plant structures.
Why knives scissors and nails have a sharp edges?
Knives and scissors have edges to cut things, but nails do not have sharp edges, they have points to penetrate hard surfaces.
What does hard as nails and twice as tough mean?
This is a simile comparing someone or something to nails. Nails are hard and tough, so this person or thing is being declared to be very hard and tough.
Provide a similar saying to She was as hard as nails?
She is a tough nut-hard to crack
What are some idioms about being tough?
a hard nut, a hard nut to crack, a hard row to hoe, a tough cookie, a tough nut, a tough row to hoe, be as tough as old boots, tough as an old boot, tough as nails, tough cookie, tough customer
Does garlic make your nails hard?
it makes your nails grow but it doesn't make it hard
What does you are tough as nails mean?
Think about this and you can figure it out. Are nails hard and tough? The kind made of steel certainly are - this simile compares someone's strength and toughness to that of a nail.
What makes nails hard?
metal
What hard, tough, and shiny substance covers the crownThe question is for kids.?
What hard ,tough and shiny that cover the crown?
What are fingers nails made of?
hard hair or keratin which is made of the same substance as hair
The substance that makes coral hard is?
Calcium and phosphorus
What substance makes coral hard?
Calcium carbonate
What makes a nail hard?
Like the hair the nail is made of keratin which is (hardened) protein. The nail protein is much harder than the hair. You can also use a nail strengthener on your nails to hardened and strengthen them.
What is the substance that makes wood hard?
Lignin is the substance that makes wood hard. It is a complex organic polymer that fills the spaces between cellulose fibers in wood, providing rigidity and strength to the material.
