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1)Mix one cup with the sugar water and other one with the fresh water. Take a sip of the sugar water and swish it around within your mouth for different seconds without swallowing it; progressively, it must tasteless sweet. After taking it (or spitting it back into the cup), taste from cup consisting of the fresh water. Specify whether the taste of fresh water surprised you or not? Explain how?
2) Rub your index fingers over a piece of very coarse sandpaper gently, a few times and rate its coarseness on the scale from 1 (very soft) to the 7 (very coarse). After the minute or two, rub same finger over the paper and again rate its coarseness. Explain if your perception of coarseness change or not? Explain how?
If the fox were to feed only on insect-eating birds, how many square meters of plant material would be necessary.
What is a polar molecule? Hydrogen bonding? Describe the high surface tension of water. How is this related to the proper function of the pleural serous membranes.
What are the most probable genotypes of the male and female parents? Give details the strategy used to determine the genotypes. What is the probability of the subsequently offspring having a spotted brown tail.
Freckles are due to dominant alleles (F), and no freckles are due to recessive alleles (f). Ted and Mary both have freckles, but their son Billy has no freckles. Give the genotypes of Ted, Mary and Billy. If Ted and Mary have additional children, wha..
Illustrate the metaphase cell of this culture showing predicted distribution of radioactivity on the autoradiograph.
The mitochondria in them have a protein called thermogenin, which allows the flow of hydrogen ions through an inner mitochondrial membrane (bypassing the ATP synthase). Based on this and your understanding of cellular respiration, propose a mechanism..
These experiments demonstrated that DNA is the genetic material of phage and that protein does not transmit genetic information. Can this same experiment be carried out with 35S and 14C? Describe it.
A cell whose cytoplasm has a concentration of 0.02 molar glucose is placed in a test tube of water containing 0.02 molar glucose. Assume that glucose is not actively transported into the cell, which terms describes the tonicity of an external solutio..
Describe how EDTA promotes the dissociation of animal cell tissue. How various genotypic and phenotypic combinations are possible in the offspring of a brown-eyed, red-haired, taster man with AB blood group (Bb rr Tt AB) married to the blue-eyed, non..
In a cross between a purple flowered plant and a white flowered plant, all 73 of the offspring had purple flowers. What are the most probable genotypes of the parent plants.
Explain how one of these main concepts is connected to your own personal observations. Clearly describe two methodological problems associated with the way Scientists study the topic.
Cleavage of DNA with restriction enzymes provides landmarks and sequence information. How frequently are specific sites found? How many sites are expected? Does this change if the DNA is circular.
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