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Assume you are part of a team of scientists exploring a small, newly discovered island. This island is located approximately 150 miles off the coast of the mainland. Preliminary evidence suggests that humans have never populated the area and have likely had almost no presence on the island. In your work cataloging the various organisms on the island, you have discovered a new population of birds. Their gross appearance is very similar to a known species on the mainland. Genetic data also suggest that there is a close relationship between the new population and the species on the mainland. However, the coloration pattern of the newly discovered birds is distinct. The mainland birds are primarily brown with splotches of red on the back and wings. The individuals in the new population of birds are largely red with patches of deep purple on the wings and small crests on the top of their heads. Such crests and patches of purple are known to exist in the mainland species but are rare.Speculate on possible explanations of these observations. Hypothesize on the past events that may have led to this phenomenon and also link your explanation to the underlying molecular basis of inheritance.
Propose two ways the photosynthesis process be improved. If the sequence TCGTA was used as a template in DNA replication, what will the sequence of bases be on the newly synthesized strand.
Sketch a diagram that illustrates how you would expect the triglyceride and phospholipid molecules to interact with the water. Be sure to indicate structures, if any that might form as a result of these interactions.
a series of protein free patient blood samples at time; 0, 30, 60, 90, 120, 180 mins. I also have a standard sample. I have measured absorbance of these samples; 0.655, 0.717, 0.689, 0.430, 0.852, 0.477 respectively
Metabolism uses various ways to ensure that 2 opposing pathways do not occur at the equal time. For the following pair of pathways list 2 ways (different cell location, allosteric effector, covalent modification, different intermediate, different ..
which statements about the sodium-potassium pump is true.
What is the significance of adenine, thymine, guanine, and cytosine in the structure of a DNA molecule.define how these four nucleotides bond.
A 2-amino-purine can be incorporated into DNA in place of adenine. It can pair equally well with thymine or cytosine. What type of mutation do you expect it to cause.
The cell has no cyclin B present, has mono-phosphorylated cdk1.Has no growth factor receptors on its surface. Cyclin B is present, spindle is present, chromatin is completed condensed
An enzyme catalyzes a reaction at a velocity of 20 umol/min when the concentration of substrate (S) is 0.01 M. The Km for this substrate is 1 x 10-5 M. Assuming that Michaelis-Menten kinetics are followed,what would be the reaction velocity?
A mole of an assured compound contains 207.7 g of lead and 32.00g of oxygen. Without doing any calculations, tell whether a formula Unit of a compound contains more atoms of lead or more atoms of oxygen. Explain in details.
Meiotic nondisjunction events will create aneuploid gametes.define normal Drosophila male meiotic segregation.
define the relationship between chromatin packaging and transcription rates. Name two different types of chromatin modification associated with changes in gene expression.
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