8.Structure and functions of oligomeric proteins.Hemoglobin: structure, oxygen saturation curve, transport ofoxygen, agents affecting oxygen binding.9 Cofactors of enzymes CoenzymesVitamins as coenzymes

The production, growth, and differentiation of all types of blood cells are referred to as…

Answered: 8.Structure and functions of oligomeric…

Biology 2e

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ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter7: Cellular Respiration

Section: Chapter Questions

Problem 12RQ: Chemiosmosis involves. the movement of electrons across the cell membrane the movement of hydrogen...

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4. Molecules of what substance are given off when glycerol and fatty acids are joined?5. The splitting of a triglyceride (fat) into glycerol and fatty acids involves the addition of the same molecule you removed during dehydration synthesis. This process is called:
A molecule that donates electrons becomes ________, and the one that accepts the electrons becomes ________. a. reduced; oxidized b. ionic; electrified. c. oxidized; reduced d. electrified; ionic
Chemiosmosis involves. the movement of electrons across the cell membrane the movement of hydrogen atoms across a mitochondrial membrane the movement of hydrogen ions across a mitochondrial membrane the movement of glucose through the cell membrane
Triglycerides are transported by chylomicrons because ________. they cannot move easily in the bLood stream because they are fat based, while the blood is water based they are too small to move by themselves the chylomicrons contain enzymes they need for anabolism they cannot fit across the intestinal membrane
Energy is stored long-term in the bonds of and used short-term to perform work from a(n) ___________ molecule. ATP : glucose an anabolic molecule : catabolic molecule glucose : ATP a catabolic molecule : anabolic molecule
Which molecule produces the most ATP? carbohydrates FADH2 triglycerides NADH
The acidic nature of chyme is neutralized by ___________ . potassium hydroxide sodium hydroxide bicarbonates vinegar
Which of the following statement(s) is/are FALSE for hemoglobin? A Demonstrates positive cooperativity and can bind up to four O2 molecule. B It exhibits the 4 levels of protein structure. C It is a trimer with 2 α-helices and 1 β-sheet. D It is an allosteric protein.
Hemoglobin is the oxygen-carrying molecule of red blood cells, consisting of a protein and a nonprotein sub- stance. The nonprotein substance is called heme. A sample of heme weighing 35.2 mg contains 3.19 mg of iron. If a heme molecule contains one atom of iron, what is the molecular weight of heme?
Like oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it has approximately the same electronegativity value as carbon. Based on your knowledge explain how the properties of various classes of biological molecules would be altered if you were to replace all of the oxygen atoms with sulfur.
Hemoglobin is a protein that carries oxygen in the blood. It is formed by two alpha subunits and two beta subunits. Which of the following statements about hemoglobin is INCORRECT? a. The structure of hemoglobin is stabilized by hydrogen bonding, hydrophobic packing and hydrophilic exposure. b. Hemoglobin has primary, secondary and tertiary structures, but no quaternary structure. c. Hemoglobin is a hetero-tetramer as it is formed by four subunits. d. It is an oligomer.
Give 2 structural features in each of the given proteins below that make them perform their biological roles effectively (structural features that directly make them effective in their respective biological roles). Explain how each structural feature directly contributes to proteins’ biological roles. hemoglobin immunoglobulin

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8.Structure and functions of oligomeric proteins. Hemoglobin: structure, oxygen saturation curve, transport of oxygen, agents affecting oxygen binding.