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Compare DNA to a cookbook. The book is kept in a library and cannot be checked out (removed). Start with the letters and words in the cookbook compared with the bases and codons in DNA; end with the amino acid chain being folded into a protein, and a cake being baked.
Meselson and Stahl performed the density-gradient centrifugation of DNA in a solution of calcium chloride. Chargaff's rule state that in DNA, the amount of adenine equals
If plant cells have a cell wall, why do they also have a plasma membrane? What is the function of each organelle?
What hormone do the adrenal glands produce. An uncold-worked brass specimen of average grain size 0.008 mm has yield strength of 170 MPa. Estimate the yield strength of this alloy (in MPa) after it has been heated to 600°C for 1260 s, if it is known ..
The bases in this "glyceronucleic acid" are symbolized as B, D, H, and U. The monomers are linked during phospodiester bonds and the bases form hydrogen bonds between the strands according to the following rules; for every B, there are twice as many ..
You are studying compound X and are trying to determine whether it is a competitive or a non-competitive inhibitor of an enzyme reaction catalyzed by the enzyme zyrase.
You are a scientist working on a large protein (500 amino acids long) you have genetically engineered the protein in in such a way as to replace a single hydrophobic amino acid with a negatively charged amino acid.give the difference between prima..
we know that natural selection will not result in evolution if a trait is not heritable. However, it is also possible that a trait with heritable variation will not show an evolutionary response under natural selection.
The measurements to be comparable in both preparations. Illustrate one experiment you could perform to demonstrate such lack of equivalence of the two cells in the zygote. Noticeably state the expected outcome of your experiment in the reply you prov..
Explain the prevalence of the cervical cancer in 1999 and 2004? Specify how many women were at the risk of developing the cervical cancer before being screened in: 1999, and 2004.
After falling into an abandoned well, a young boy is rescued after he nearly drowns. find the treatment to restore this body to homeostasis.
What are the steps in enzyme-substrate reaction. The enzyme most frequently study is bovine alkaline phosphatase. Alkaline phosphatase hydrolyze the artificial substrate p-nitrophenylphosphate (pNPP) giving us a way to create quantitative measu..
The -10 and -35 sequences in bacterial promoters are separated by about two turns of the DNA double helix (remember genetics?). How do you think transcription would be affected if the deletion were introduced such that the -35 sequence was moved to -..
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