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The habitat of one species of tropical fish is red coral reefs. The approximately 75% of the fish in this population are red, while approximately 25% of the fish carry a mutation that prevents the production of the red pigment; as a result these individual fish are white. The coral in the reefs are generally very brightly colored. The temperature of the ocean is increasing and over a 10 year period, the coral dies and the remaining coral skeleton is bleached and turns white. Use what you have learned about natural selection to explain how this bleaching event may affect the evolution of this fish population. Do NOT discuss the direct effects of warmer temperature on the fish themselves, but instead address the expected changes to the population. Include the following terms in your explanation: differential reproduction, beneficial trait, allele frequency, selection pressure, evolution.
Two protein kinases, PK1 and PK2, work sequentially in intracellular signaling pathway. You construct cells that contain inactivating mutations in the genes that encode either PK1 or PK2
Examine and define internal and external respiration in terms of physiology and anatomy. Please include a credible refrence for this data.
In an attempt to map a newly discovered mutation that may contribute to autism a study was made of a small, isolated population on west coast of Black Sea.
You treat a partially purified preparation of protein with a reagent that breaks bonds between sulfur atoms. Which level(s) of protein structure are likely to be affected the most and WHY?
A somatic cell of a given plant species contains threebillion base pairs of nuclear DNA and 12 functional centromeres when observed at the conclusion of stage G2 of the cell cycle.
The stimulation of a motor neuron ultimately results in the release of a neurotransmitter at the synapse between the neuron and a muscle cell. What type of neurotransmitter is used at these neuromuscular junctions?
Describe the factors that normally contribute to skin color. Briefly describe how changes in skin color may be used as clinical signs of certain disease states.
Four proteins, each having a single polypeptide, are separated by SDS-PAGE: human cytochrome c , human serum albumin, bovine myoglobin.
which of the following is not true regarding gestation?
Determine the forces that cause the change in filtration rate as plasma passes through the capillary?
A geneticist makes a cross between two homozygous strains of maize with three different mutations. For symbols, you can use a capital to indicate the dominant allele.
When using random sampling techniques, which type of dispersion is most effective? In other words,which dispersion model will give the most accurate estimation of population size?
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