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Question 1
1) Explain how fetal hemoglobin is different from adult hemoglobin.
2) Explain why a different form of hemoglobin is necessary during fetal development.
Question 2
Edna is a 72-year-old female presenting to your clinic with fatigue that has progressed over the past 3 months. She is normally extremely active in social events in the community. She is a retired math teacher. Edna is a widow and admits to being rather emotionally liable. She also can't tolerate the cold as much anymore and consequently she doesn't get out and teach reading to illiterate adults. About all she can do is get up, have tea, wash the kettle and cup and she has to sit again. She admits to shortness of breath, no chest pain, denies claudication (limping while walking), palpitations (skipped or extra heart beats), cyanosis, clubbing, thrombosis, but has had a bit of ankle edema over the past 2 months. She has to sleep on 3 pillows ever since she had an MI 4 years ago. She has had 2 stress tests since her MI and they were essentially normal. She has been active this summer including attempting to parasail.
1) What hormone may be the cause of her progressive fatigue? Explain your answer.
2) What gland produces this hormone?
Construct a Punnett Square depicting examples of recessive, dominant, co-dominant, and sex-link genetic traits.
Leukocytes (white blood cells) normally move into tissues that have been damaged so that they can heal the damage (repair blood vessels, eradicate bacteria, etc.). How do they move from the blood stream into the damaged tissue? Include in your ans..
dangerously thin a case study on the genetic codeat 65 years old henry blake was in excellent health and enjoying his
Reflect on how well you are adjusting to your life in terms of subjective well-being, diversity, contexts, and / or thinking critically.
plants use the proton electrochemical gradient across the vacuole membrane to power the accumulation of salts and sugars in the organelle. this creates a hypertonic situation.
If there are only 2 possible alleles for a particular gene, how many bands would show on a gel for a homozygote? How many for a heterozygote?
Gregor Mendel's studies laid the foundation for modern genetics. In a series of elegant experiments, Mendel was able to deduce the most fundamental laws of single-gene and multiple-gene inheritance without having the scientific data on chromosomes, t..
You learned that trade-offs among life history traits are commonly observed in nature. Remember that trade-offs arise when a change in one trait that leads to an increase in fitness is counter-balanced by change in another trait that leads to a de..
Acquired immunity involves both a humoral immune response and a cell-mediated immune response. Some components of the immune system are involved in only the humoral response, some are involved in only the cell-mediated response, and some are invol..
DNA molecules will be found per cell when this original cell progresses to the following stages?
Why is it that some if not most adaptations are not perfect? Essentially, Why aren't adaptations perfect?
What is the function of mitosis in a cell that is about to divide?- What would happen if mitosis were uncontrolled?
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