The oxygen in you lungs are of a higher concentration than it is in your blood This process is through the use of passive transport.<span>Your blood is then returned to the heart and pumped throughout the body. Because your blood has more oxygen in it than your cells do the blood through the use of passive transport again give the oxygen to the cells.</span>
The causative agent of gonorrhea and one of the causative agents of meningitis is part of Diplococci subgroup of proteobacteria.
Diplococci
In essence, diplococci bacteria are paired, spherical, or rounded bacteria. Some bacteria may appear ovoid (elongated) or bean-shaped, unlike staphylococci bacteria, which form grape-like clusters and are genuinely round.
Numerous infections in humans can be brought on by both Gram-positive and Gram-negative bacteria. The shape of diplococci bacteria can be spherical or elongated, as was previously mentioned. Therefore, some species—such as those of the staphylococci bacteria—might not be perfectly round. Because of this, they are frequently referred to as having an ovococcoid shape. Several studies have suggested that this form is the result of two different peptidoglycan machineries. The cell division machinery is in charge of producing septal peptidoglycan, which leads to the formation of the cell wall, in coccoids (really round bacteria), such as Staphylococcus aureus and Micrococcus.
The causative agent of gonorrhea and one of the causative agents of meningitis is part of which subgroup of proteobacteria?
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Answer:
In Anfinsen's ribonuclease A renaturation experiment,he wanted to show that protein folding entirely resides within the amino acid sequence of protein.
Explanation:
He used ribonuclease A as a model and removed urea and 2ME from the folding solution.Under these condition, ribonuclease A regains it's biological activity.
This refolding occur in in vitro conditions.
This experiment discover an enzyme called protein disulfide isomerase(PDI) which catalyze the reduction of incorrect dissulfide bonds.This also helps in trapping protein in an incorrect conformationso that it can un fold and try agin.
This PDI plays important role in proper folding,and the active site of this enzyme have disulfide.
Answer:
Oxygen binds with Heme though cooperate binding.This means that as the oxygen molecule binds to the first of the 4 heme groups,it weakened the intermolecular forces, holding the heme group,causing structural change in the Hb molecule.
This increases the affinity of Hb for more oxygen.Therefore facilitating easy binding of the second oxygen atoms.The 3rd will be faster,while the the binding of the 4th Oxygen atom is the fastest.This is cooperative binding.
The oxygen binding to the heme group in the lungs at high partial pressure of oxygen (with low partial pressure of CO2)shifts the dissociation curve for oxygen to the left, so that the heme group hold oxygen molecule tight and transport this to be released in the tissues. The high partial pressure and concentration of CO2 at the tissues enable the unloading of Oxygen.This is called Bohr's effects.Here ( tissues) the curves shifts to the right for Hb to unload O2.
When CO2 dissolve in water in the blood,it dissolves in water in the presence of an enzyme carbonic anhydrase to form H2CO3. This is unstable and dissociate into H+ and HC03-
The H+ increases the acidity of the blood, and the blood capillaries.Thus it increases the acidity of the capillaries.However, this is mopped by Hb to form heamoglobinic acid.(HHB).Thus it acts as a buffer.
With the presence of Oxygen, Hb releases oxygen it was carrying to the cells. Bohr' effects
The HCO3- from above diffuses from the blood into the blood plasma, to be carried in solution to the lungs, to release oxygen.CI- from the plasma diffuses back into the blood to balance the electronegativity.This is chloride shift.
Explanation:
