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Background: The developing fetus has a different kind of hemoglobin than most normal adults. Fetal hemoglobin (hemoglobin F) consists of two ? chains and two ? chains, whereas adult hemoglobin (hemoglobin A) consists of two ? chains and two ? chains. Fetal hemoglobin is synthesized beginning at the third month of gestation and continues up through birth. After birth, hemoglobin F synthesis declines and synthesis of hemoglobin A increases (synthesis of the ? chain declines, and synthesis of the ? chain increases). By the time the baby is six months old, 98% of its hemoglobin is hemoglobin A.
Question: The chain differs slightly in structure from the chain and has fewer Lys and His residues than the chain. This means that hemoglobin F has fewer positive charges in its central cavity than does hemoglobin A. Given this information, explain why hemoglobin F has a higher affinity for oxygen than does hemoglobin A.
sketch a diagram of the circular DNA molecule, showing the locations of the restriction sites for Ecor I and BamH I , as well as distances between them.
Describe the intimate relationship in the hypothalamus of the brain and pituitary gland that sits just below it. Although the pituitary is called the master gland because of its influence over other endocrine glands,
Which hormone causes an increased output of enzyme-rich pancreatic juice and stimulates gallbladder contraction to free bile. Build up a network design that accommodates these requirements and keeps costs down. These training environments must hold a..
A novel drug has been developed to boost white blood cell production in sick patients. However, drug has serious side effects and it is estimated that it should only be used if WBC concentration reduced to 2,000 cells per microliter.
iscuss how do we get concentration gradients in neurons? how can we test if these processes are active or passive?
You have at your disposal a variety of supplies including antacid tablets, water and film canisters.When you mix these effervescing tablets with water,
This solution defines the cell interaction and signaling defects in.
Compare and contrast the role of LH in the regulation of the male and female gonad and Draw a Punnett square.
About 5 percent of individuals with Down syndrome have a chromosomal translocation in which a third copy of chromosome 21 is attached to chromosome 14. If this translocation occurred in a parent's gonad, how can it lead to Down syndrome in a child.
Determine which intracellular change is the most contributor to increases in fiber size of cross-sectional area and strength?
Explain a single procedure that could be used to isolate the Con A Receptor from this preparation. Propose two ways the photosynthesis process could be improved to fix more CO2 than normal and the plant productivity can be increased. Be specific abou..
What are the different pathways used in the synthesis of the glycerol containing phospholipids? These are distinguished by the route of activation of the precursors.
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