Define melanin. melanin synonyms, melanin pronunciation, melanin translation, English dictionary definition of melanin. n. Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers. American Herita
A pigment called melanin protects the ___layers of skin from sun rays. A.underB.belowC.underlyingD.underneath 答案 C近义辨析。此题需辨清词性;本题空白处应填形容词,而选项;A.under作介词或副词;B.below作介词或副词;C underlying在下面的,下层的,为形容词;D.underneath作介词或副词;因此只有C正确...
百度试题 结果1 题目What does the pigment melanin determine in the body? A. the color of the skin B. the color of the eye C. the color of the hair D. all of the above 相关知识点: 试题来源: 解析 A 反馈 收藏
Seman G, Gallager HS, Johnson DE: Melanin-like pigment in the human prostate. Prostate 3:59-72, 1982Seman G, Gallager HS, Johnson DE. Melanin-like pigment in the human prostate. Prostate. 1982;3:59-72.Seman G, Gallager HS, Johnson DE. Melanin-like pigment in the human prostate. ...
Melanin is a pigment, typically present in mammalian hair, skin, and eyes, and equally widespread in birds, lizards and insects33. Its most common function is to absorb light, to protect animals from ultraviolet radiation or to generate cryptic colouration. In insects, melanin is generally ...
The protective role of melanin, either synthetic or derived from a metastatic lung melanoma nodule, was studied in terms of its ability to interact with ac... J Bustamante,L Bredeston,G Malanga,... - 《Pigment Cell & Melanoma Research》 ...
Thus, our results suggest that the melanin from A. nidulans is a potential HOCl scavenger and may be considered a promising material for the cosmetic industry for the formulation of creams that protect the skin against possible oxidative damage. 展开 关键词: fungi melanin pigment antioxidant ...
This endophyte was found to produce a black pigment that was characterized to be melanin based on uv-visible, IR and ESR spectra and chemical tests. Tricyclazole, a specific inhibitor of pentaketide melanin biosynthesis, inhibited synthesis of the pigment indicating it is a 1–8, di...
Firstly, sequencing the genes responsible for biosynthesis of melanin (ALB1, AYG1, ARP1, ARP2, ABR1 and ABR2) showed point mutations (missense mutation, deletion or insertion) in the ALB1 gene for pigmentless isolates or in ARP2 for the brownish isolate. The isolates were then shown by...
Melanin is a heteropolymer formed by the polymerization of phenolic and indolic compounds. It occurs in organisms across all biological kingdoms and has a range different of functions, thus indicating its important evolutionary role. The presence of melanin offers several protective advantages, including...