Structures found in the dermis are collagen, elastic fibers, and extrafibrillar matrix.
The dermis or corium is a layer of skin between the epidermis and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.
Structural components of the dermis are collagen, elastic fibers, and extrafibrillar matrix. It also contains mechanoreceptors that provide the sense of touch and thermoreceptors that provide the sense of heat.
Collagen: Collagen is the main structural protein in the extracellular matrix found in the body's various connective tissues.
Elastic fibers: In the dermis of animals with single, primary hair follicles are derived from cells lining the hair follicle or from the ends of the pili muscle, which anchors the muscle to the matrix or to the hair follicle. Each follicle is interconnected with elastic fibers.
Extrafibrillar matrix: The dermal material lying outside the cells, and not consisting of either collagen fibers or elastic fibers, is called the extrafibrillar matrix.
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The dermis, the skin's next layer, is a thick layer of fibrous and elastic tissue (made mostly of collagen, with a small but important component of elastin) that gives the skin its flexibility and strength. The dermis contains nerve endings, sweat glands and oil (sebaceous) glands, hair follicles, and blood vessels.
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Answer:
A frameshift mutation is produced either by insertion or deletion of one or more new bases. Since the reading frame begins at the start site, any mRNA produced from a mutated DNA sequence will be read out of frame after the point of the insertion or deletion, yielding a nonsense protein
Explanation:
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Ice is one of the many products that can be derived from water. it is just only in solid or ice form, after going through a physical change.
Answer:
Option (3)
Explanation:
The ecology is a part of biology that deals with the study of the organisms, including both plants and animals that occurs in an environment and its interaction with the physical environment. It also describes how the organisms of various species are distributed in a geographical area. This species distribution is controlled by both the biotic as well as the abiotic factors.
The subject of ecology is usually studied at different levels namely-
(a) Organism
(b) Population
(c) Community
(d) Ecosystem
(e) Biosphere.
Hence, the correct answer is option (3).
Answer:
The third choice would be your best answer.
Explanation:
Ecology is a branch of biology that focuses on the relationships of organisms and physical surroundings in nature.
-ology means the study of something
A, B, and D does not mention "studying", therefore they are incorrect.
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