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Q1
Molting and migration are costly to birds physiologically. Are there differences in how a hummingbird prepares and performs migration versus a red-tailed hawk? What impacts do these differences have on the birds ability to migrate?
Q2
What determines how long a bird stays in any stopover location along its journey to its wintering grounds? Which one of these factors do you feel is more influential?
Q3
Warblers tend to migrate from their breeding grounds to their wintering grounds during August and early September. Hawks migrate between late September and November. Why are there such differences in the time it takes for the two groups to leave their breeding grounds overall and the difference in when they migrate during the year? Basically, what are the factors influencing their migration?
Q4
Don't like either of these questions. Then based on the assigned reading for this LU, ask one of your own questions. Make sure that the question displays critical thinking and is a question that will generate discussion.
Verified Expert
Microtubules can be formed in vitro from tubulin that is bound to GTP analogues that (unlike GTP) cannot be hydrolyzed. What properties would you expect these microtubules to possess?
Which of the following is not one of the ways to describe a population in terms of population ecology?
assume that the mutation that produces abnormal dynein occurs on the gene which codes directly for dynein. very briefly describe each of the possible mutations that might be the cause of the abnormal dynein of kartageners' syndrome.
Researchers are developing blood substitutes to meet the demand for emergency transfusions. What would be the effect of artificial blood in which binding of O2 is not altered by acidity?
What is the effect of the cohesion of water molecules on the boiling point of water compared with nonpolar molecules?
How does Providencia alcalifaciens behave in the phenol red broth in glucose, lactose, and sucrose?
Mom (Sue) is 50 years of age and entered into menopause five years ago. She takes two raw bovine ovarian capsules a day.
Regarding fetal development, what are the foramen ovale and the ductus arteriousus, and why do they exist? Name one similarity and one difference between these anatomical features.
Tay-Sachs disease (infantile amaurotic idiocy) is a rare human disease in which toxic substances accumulate in nerve cells. The recessive allele responsible for the disease is inherited in a simple Mendelian pattern. For unknown reasons, the allel..
Black furin mice (B) is dominant to brown fur. short tail is dominant to long tail (t). Short whiskers (W) are dominant to long whiskers.
Explain the results. Show the genotypes of the parents, and construct a linkage map showing the correct order and distance of the loci.
O2, CO2, Sugars, Vitamins Na+, K+, H2O are all molecules that need to be constantly entering and exiting the cell. Which of these molecules will be able to passively diffuse across the plasma membrane and why? Of the remaining molecules why cant t..
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