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You just bought two black guinea pigs from the pet store that are known to be heterozygous (Bb). You also know that black fur (BB) is dominant over white fur (bb), and that a lethal recessive allele is located only one cM away from the recessive b allele. You decide […]

Wild type e. coli can synthesize all 20 common amino acids, but some mutants, called amino acid auxotrophs, are unable to synthesize a specific amino acid and require its addition to the culture medium for optimal growth. Besides their role is protein sythesis, some amino acids are also precursers for […]

Ocean Systems According to the law of conservation of energy, energy cannot be created or destroyed, but it can change from one form to another 1. A boy doing a cannonball into the pool. He went from potential to kinetic energy, where did his kinetic energy go? 2. A plant […]

1. The net transfer of water between the interstitial fluid and ICF across the plasma membraneA. Is mainly due to the difference in the osmotic force between the ICF and the interstitial fluid.B. Is controlled by the channel proteins in the plasma membrane.C. Is primarily due to the difference in […]