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<span>A. </span>Mechanoreceptor–temperature </span>
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<span>B. </span>Photoreceptor–chemicals </span>
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C. Pain receptor–tissue injury
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<span>D. </span>Chemoreceptor–pressure </span>
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Nucleotide Structure. The basic building block of DNA is the nucleotide. The nucleotide in DNA consists of a sugar (deoxyribose), one of four bases (cytosine (C), thymine (T), adenine (A), guanine (G)), and a phosphate. Cytosine and thymine are pyrimidine bases, while adenine and guanine are purine bases.
Answer:
The carbon-dioxide exists in the atmosphere, and it is dissolved in the water.
Explanation:
With the process of photosynthesis, it becomes organic, and by breathing, the organic gas goes back to carbon-dioxide.
The assimilation of carbon is the process when the carbon-dioxide converts to organic carbon with the help of living organisms. This organic carbon is then used for energy.
<span>The primary desired therapeutic effect of mannitol is the reduction of intracranial pressure. This pressure, most likely caused by swelling on the brain, is generally caused by head traumas and can be life threatening. The administration of mannitol reduces this swelling thus decreasing the cranial pressure.</span>
Answer:
The genotype of male with red-green color blindness is XY, X chromosome possessing recessive allele of gene responsible for differentiating red-green color.
Explanation:
Color blindness is sex-linked trait and its inheritance follows criss-cross pattern. Dominant gene of allelomorpihc pair enables a person to differentiate between red and green color.
The genotype of male and female are different for the pair of sex chromosomes. Male is hetero-zygous (XY) and female is homo-zygous (XX). The gene controlling this trait is present on X chromosome.
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