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1. Since lactate is a “dead end” product of metabolism in the sense that its sole fate is to be converted into pyruvate, what is the purpose of its formation? 2. The molecule 2, 4 -dinitrophenol (DNP) is an uncoupler of oxidative phosphorylation. For a short period of time, it […]

3. Now let’s attach some meaning to genotypes. As you see from the previous problems, the genotype is an expression of the actual genetic makeup of the organism. The phenotype is the observable result of the genotype, i.e., what the organism looks like because of its genotype. Although phenotype is determined primarily by […]

In guinea pigs, the gene for production of melanin is epistatic to the gene for the deposition of melanin. The dominant allele Mcauses melanin to be produced; mm individuals cannot produce the pigment. The dominant allele B causes the deposition of a lot ofpigment and produces black guinea pig, whereas […]

A group of single cell organisms collected from the ocean was brought into the lab for examination. The lab assistant was concerned that the water had become full of toxic waste products and so added clean water to the culture. All of the organisms died, and when she looked at […]