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1.Outline the history of the domestication of wheat and the development of flour. What was Sylvester Graham's opinion of white flour? Was there any foundation for his opinion? Explain. 2. Make a list of three major legume crops, soybeans, peas and peanuts. Include the following details under the heading for each crop: metric tons produced in the U.S. (consult an almanac or use the Penn State library system for this information), site of original domestication and estimated length of time of domestication, protein content, primary uses and any special features or notes concerning the use of the crop.
Define frequency-dependent selection. Can it result in the stable coexistence of two or more alleles at the same locus over several generations ? If you answered yes, give an example and explain how the equilibrium is maintained; if you answered n..
If the total free energy of the system X+Y X-Y at 37 C is +6700 J/mol and the total entropy change is -125 J/mol K, what is the total enthalpy change? Also, is the problem endothermic or exothermic and endergonic or exergonic.
Some snakes move into a particular area.Over time , one group ofthese snakes becomes active only at night;another group is activeonly during the day.
In the F2 generation, how many genotypic classes could be generated from dihybride cross of two F1 heterozygous in which the gene show complete dominance.(PLEASE EXPLAIN)
Why does some scientist think that areas protected from the otmosphere might have favoured the production of organic compounds on early earth.
Prader-Willi syndrome is caused by the deletion of the paternal copy of a small section of human chromosome fifteen. In normal individuals, only the paternal copies of the genes in this section of chromosome fifteen are expressed;
Thirty eight ATP are produced from one molecule of glucose in Prokaryotes, only 36 can be obtained in Eukaryotes
What is the function of introns? Are they just evolutionary baggage? what is the molecular cause of Alzheimer's, Parkinson's, Huntington's, Lou Gehrig's, and Creutzfeld-Jakob diseases? what is cancer? why is it bad? what causes cancer? what are th..
Who were the first scientists to describe DNA as a double helix structure and what base is found in RNA but not DNA?
Your assistant Igor is studying a neurotransmitter-stimulated GPCR pathway, hypothesized to stimulate the expression of genes that increase retention of memory.
Discuss why can not hot water work with biological soap powders that are synthesized with the enzymes necessary to break down certain stains?
Explain the four main stages of food processing in mammals and indicate where each process occurs along the tubular digestive tract.
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