Biology, 08.07.2019 03:00, carterhoward
Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigment known as melanin. albinism--the inability to produce melanin—is inherited in humans as an autosomal recessive trait. an individual with genotype aa or aa will have normally pigmented skin, whereas an individual with genotype aa will produce no melanin. the albino's skin is very pale white, and the (highly vascularized) irises of the eyes appear red because no melanin obscures the red reflectance of blood.
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Biology, 22.06.2019 20:30, amandasantiago2001
An infection of the pulp and the surrounding tissue in the mouth is called
Answers: 1
Biology, 22.06.2019 21:00, hamptonjeleesa
An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
Answers: 2
Biology, 22.06.2019 21:30, peytontanner
Abotanist working in the amazon rain forest discovers a new species of orchid. interestingly, males but not females of a certain wasp species keep visiting the flowers of these orchids. why?
Answers: 3
Most humans (and vertebrates, in general) are genetically "programmed" to produce a brown skin pigme...
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