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45. Which statement about human hemoglobin Is false? The difference between narmal hemoglobin and that of people with sickle cell disease is & singla Jmino add ...

Question

45. Which statement about human hemoglobin Is false? The difference between narmal hemoglobin and that of people with sickle cell disease is & singla Jmino add change Anv Jlieration the genes for hemaglobin polypeptides affect the protein = function; Ie /made up 01 multiple polypeptida chains Normal hemoglabln and heroglobin Irom peaple wlth sickle cell dlsease differs In charge, Hemaglopin protein (nat (ranspors oxygen the blood;

45. Which statement about human hemoglobin Is false? The difference between narmal hemoglobin and that of people with sickle cell disease is & singla Jmino add change Anv Jlieration the genes for hemaglobin polypeptides affect the protein = function; Ie /made up 01 multiple polypeptida chains Normal hemoglabln and heroglobin Irom peaple wlth sickle cell dlsease differs In charge, Hemaglopin protein (nat (ranspors oxygen the blood;



Answers

Which of the following statements about red blood cells is false? a. They live about 120 days before being replaced. b. They lack a nucleus and other organelles when they are mature. c. They are replaced when the hormone EPO stimulates stem cells in bone marrow. d. They are replaced as part of a negative feedback loop in which kidney cells monitor blood oxygen levels. e. All the above statements are true except b, because all cells require a nucleus in order to function properly.

This question asked Which of the following is a false statement regarding or exercise Earth recites containing human woman. A wreath recites are anaerobic. The nuclei of a regular sites are located in the middle of the bike on cave disk or were other sites are fascistic sized in the spleen and liver after Eastern period time. So what's important to know about red blood cells, or rather, size? Is that a reference? Sites have no nuclear. And instead, at the center of the cell, we find hemoglobin so human woman will be in the center of the cell. The cells actually kind of indented. And we see that in this indentation there's going to be the SHIHM group with the iron Center, which allows for oxygen to be transported via that cell. So choice A, we did say that there will be hemoglobin, so that is not going to be correct. Ah, emphasized are anaerobic. So choice bees not going to be your car cancer here, and they are going to be fantasized in this plane and lived her after a certain period of time. I believe it's about 90 days or so that the red blood cells yours be, uh, taken out of circulation, and new ones are going to be made. So the correct answer is going to be choice. See, because there are no nuclei, uh, in the middle of the bike on cave disk. That's exactly why is by Con Cave in order to be able to carry that hemoglobin protein in order to transport oxygen throughout the blood. So choice, see, is the correct answer here.

Here we need to identify incorrect statement. With respect to protein hemoglobin. You have protein hemoglobin statement of is maintains blood sugar level. Protein hemoglobin does not maintain blood sugar reliable pops and is option will act as an oxygen carrier in blood. So this statement is correct with respect to protein hemoglobin. Protein hemoglobin act as an oxygen career in blood substances, function as catalysts for biological reaction. Protein hemoglobin. Never act ask at least so obsessed. He is wrong Sunday's it forms antibodies and offer resistant to is his. It is also wrong since protein hemoglobin does not form any antibodies and does not offer resistance to disease. We see option A C P. R. Wrong statement. Oh, mm. The he are correct options.

Which of these are false. Hey plasma membrane proteins can transport islands be they can transport chloride ions if you have two mutant copies of the cystic fibrosis gene, see they can recognize self versus foreign molecules D. B. Allow adhesion between cells. E they can combine with lipids or sugars. Okay so membrane proteins are different types. There are transport proteins are capable of transporting ions. That's true. There are lipoproteins so e they can combine with lipid signals combined with sugars. So you do get these complex proteins I wanted to other macro molecules to be allowed adhesion. Yes there are structural proteins that combined to proteins on other cells or to be expressed. Real matrix. Can you have protein to recognize self versus foreign? Yes this is a particular type of protein. Look at M H C. If you're interested will show up in immunology probably. But this is a tough protein that is found on all of your new created cells and it shows off a little bit of a protein from inside the cell. And if your cell is healthy, that little bit of protein will be self if you have a viral infection that little bit might be a viral protein and so that would be for him. So it allows you to recognize this front. But anyway, the answer here is B notice that it's about two mutant copies of cystic fibrosis, which is a recessive condition, where if you don't have any functional copies of this particular member in protein, you can't get the transportation fluoride in these cells, which affects the intestines and infect and affects the lung function.

Discussion wants us to determine the type of mutation which gives rise to sickle cell anemia. Given that adult hemoglobin contains glue tannic acid at the sixth amino acid position and that sickle cell hemoglobin contains baleen at this six amino acid position. Um, and you can see that the mutation is a trans version. Changing Adam mean to your cell, Um, in the, um, amino acid encoding glue atomic asset. Sorry. In the code on including blue tannic acid. And that is what results in this, um, missings mutation. Um, changing lou tannic acid to veiling.


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