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Question: The habitat of one species of tropical fish is red coral reefs. The large majority of the fish in this population are red. A few individual fish carry a mutation that prevents the production of the red pigment; as a result these individual fish are white. The temperature of the ocean where these fish live gets warmer and warmer over a 10 year period, and as a result the coral is bleached and turns white. Use what you have learned about natural selection to explain how this bleaching event may have affected the evolution this fish population (not including possible direct effects of warmer temperatures on the fish). Include the following terms in your explanation: differential reproduction, beneficial trait, allele frequency, selection pressure, evolution.
Suppose that a team of scientists exploring in the Amazon discover various novel species of bacteria that use a non-standard nucleotide "X" in DNA.
The small intestine is specialized for absorption by the huge number of villi that line the intestinal wall. Villi have cells that generate intestinal enzymes which complete the digestion of peptides and sugars.
What does information suggest about the transmission.
Discuss the core enzymes taht are used, and what is replicated or transcribed by each enzyme also discuss and define the substrates and template?
Explain the prevalence of the cervical cancer in 1999 and 2004? Specify how many women were at the risk of developing the cervical cancer before being screened in: 1999, and 2004.
What are the four most important elements necessary for life on this planet? Name the four most important groups of organic molecules for life? Give an example of each.
Apoptosis and the Hayflick limit and their relationship to cancer formation
While a tall homozygous plant was crossed with a short homozygous plant, the F1 offspring were all tall. No short plants were present in the F1 generation. Which principle does this situation represent.
which statements about the sodium-potassium pump is true.
Assume that for a trait that is determined through a set of two alleles, the observed frequency for homozygous dominant, homozygous recessive, and heterozygous are 0.64.
Under constant erosion and weathering, the pyrites leech large amounts of sulfuric acid (H2SO4). The spoil banks are also mixed with large quantities of basic limestone and clay carbonates. What have to occur over time.
Primary reason for the incredible success of viruses in their incredible diversity. Explain why a virus that is well adapted to one species and causes no apparent disease can upon a switch to a new host range cause severe disease
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