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Q. A DNA-like molecule is isolated from the frozen remains of alien life-forms found beneath the Martian North polar ice cap. The molecule is a double stranded polymer whose monomeric subunits are collected of glycerol, phosphate and nitrogenous bases, of which four kinds were found. The bases in this “glyceronucleic […]

You study two populations of zebra skipper butterflies, one on the mainland and the other on a large island several hundred miles off the coast of Brazil. In the mainland population, males and females are nearly identical in size. By contrast, females are 1.2 times larger than males in the […]

Go to www.cancer.org and on the home page, click on the arrow under the section, “Learn About Cancer”. There is a list of numerous types of cancers. Please select one form of Cancer from the list AND that has NOT been posted on by another student (or one of your […]

Q1. Each operator in lac operon is 21 base pairs long and all three are in close proximity. This cannot be coincidence since the chance of finding a particular 21 base pair DNA sequence is low. Make the statement that there is an equal number of all four bases (A, […]