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  2. Human hair growth - Wikipedia

    en.wikipedia.org/wiki/Human_hair_growth

    Scalp hair was reported to grow between 0.6 cm and 3.36 cm per month. The growth rate of scalp hair somewhat depends on age (hair tends to grow more slowly with age), sex, and ethnicity. [3] Thicker hair (>60 μm) grows generally faster (11.4 mm per month) than thinner (20–30 μm) hair (7.6 mm per month). [4]

  3. DNA - Wikipedia

    en.wikipedia.org/wiki/DNA

    DNA is a long polymer made from repeating units called nucleotides. [6] [7] ... As with human DNA-dependent DNA polymerases, ... or hair has led to re-examining many ...

  4. Chromatin - Wikipedia

    en.wikipedia.org/wiki/Chromatin

    The major structures in DNA compaction: DNA, the nucleosome, the 11 nm beads on a string chromatin fibre and the metaphase chromosome. Chromatin is a complex of DNA and protein found in eukaryotic cells. [1] The primary function is to package long DNA molecules into more compact, denser structures.

  5. Hair follicle - Wikipedia

    en.wikipedia.org/wiki/Hair_follicle

    The hair follicle is an organ found in mammalian skin. [1] It resides in the dermal layer of the skin and is made up of 20 different cell types, each with distinct functions. The hair follicle regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells. [1]

  6. DNA analysis of human remains found at the site of a church built in 1608 in the colonial settlement of Jamestown, Virginia, suggest the men are kinsmen of the colony’s first governor, Thomas West.

  7. Hair - Wikipedia

    en.wikipedia.org/wiki/Hair

    Hair is a protein filament that grows from follicles found in the dermis.Hair is one of the defining characteristics of mammals.The human body, apart from areas of glabrous skin, is covered in follicles which produce thick terminal and fine vellus hair.

  8. Human genome - Wikipedia

    en.wikipedia.org/wiki/Human_genome

    The human genome is a complete set of nucleic acid sequences for humans, encoded as the DNA within each of the 24 distinct chromosomes in the cell nucleus. A small DNA molecule is found within individual mitochondria.

  9. Histone - Wikipedia

    en.wikipedia.org/wiki/Histone

    Without histones, unwound DNA in chromosomes would be very long. For example, each human cell has about 1.8 meters of DNA if completely stretched out; however, when wound about histones, this length is reduced to about 9 micrometers (0.09 mm) of 30 nm diameter chromatin fibers. [3]