Samantha's hair is known to grow very rapidly. It start at a length of 6 inches and grows at a rate of 14% week. Which function represents Samantha's hair growth
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Samantha's hair is known to grow very rapidly. It start at a length of 6 inches and grows at a rate of 14% week. Which function represents Samantha's hair growth?
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- Below is a picture of the base of a hair. The section that is referred to as the matrix is shown in the section. O yellow brown red O purpleStraight hair can be curled and curly hair can be straightened by exposing wet hair to a reducing agent, repositioning the hair with rollers, then exposing the hair to an oxidizing agent. Explain how this procedure alters the shape of the hair.Pulling the hair out can be quite painful, yet cutting hair is not. Explain in long explanation
- Which of the following is a true statement about hair development? (Check all that apply) A) At telogen, dermal fibroblasts secrete BMP4, which inhibits the proliferation of HFSCS. B At telogen, cells are actively proliferating in the inner bulge layer. At telogen, BMP6 and FGF18 from the inner bulge layer promote the apoptosis of HFSCS. At telogen, subcutaneous fat cells secrete BMP2, which inhibits the proliferation of HFSCS. E At telogen-to-anagen transition, fat cells precursors produce PDGF-alpha, which induces the dermal papilla to produce other factors F) At telogen-to-anagen transition, dermal fibroblasts secrete Wnts, which promote the proliferation of HFSCS. G At telogen, stem cells are actively proliferating. H) At anagen, stem cells are all quiescent. At telogen-to-anagen transition, stem cells become activated. At catagen, most of the outer root sheath undergoes apoptosis.Which of the following best represents the average rate at which the human hair grows? O 0.25 inches per second O 0.25 meters per hour O 0.25 meter per month O 0.25 inches per monthGive typing answer with explanation and conclusion Which of the following create unique fingerprints for every individual? (Select all that apply) Merkel Cells Dermal papilla Striae Keratinocytes Epidermal ridges
- TRUE OR FALSE: Hair is the fastest growing tissue in the human body. True O FalseTrue or False: The onset of postmortem changes to theroot portion of hair is only observed in anagenic andcatagenic hairsWhy are melanomas the most common type of skin cancer to metastasize? (Recall that melanocytes are formed from neural crest tissue, an embryonic tissue that wanders extensively during early development.)
- ulling the hair out can be quite painful, yet cutting hair is not. Explain.All of the following regarding the hair growth cycle and hair shedding are true EXCEPT that each hair grows continuously without stopping for 2–5 years the hair loses its attachment to the follicle in the resting phase it is typical for adults with full heads of hair to shed about 100 hairs per day hairs are shed from the scalp when the follicle regressesTo explain: Why the cancer treatments cause hair to fall out.