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What role does calcium and oxygen have in muscle contraction?
Calcium plays a key role in muscle contraction by binding to troponin, which allows tropomyosin to move and expose actin binding sites for myosin. Oxygen is needed in the process of cellular respiration to produce ATP, which is the energy source for muscle contraction to occur efficiently. Oxygen is also used to replenish ATP and remove waste products during muscle activity.
How do you calculate KD from a binding curve?
To calculate the dissociation constant (KD) from a binding curve, you can use the equation KD C50, where C50 is the concentration of the ligand at which half of the binding sites are occupied. This value can be determined by plotting the binding data and finding the point where half of the maximum binding is achieved.
What component of blood contains iron that blinds with oxygen?
Hemoglobin is the component of blood that contains iron and is responsible for binding with oxygen.
In which form is oxygen transported in the body?
Oxygen is primarily transported in the body through binding to hemoglobin in red blood cells. Additionally, a small amount of oxygen is dissolved in the plasma.
What color are the blood cells when they carry oxygen?
the answer is that i dont know
How many binding sites are found on the ribosomes?
The ribosome has three sites for binding. It binds RNA and DNA so that they can be matched to their complementary base pair.
What is the site of oxygen binding on hemoglobin?
You have Iron atoms in hemoglobin. This atom is the binding site for oxygen in case of hemoglobin.
How can one identify transcription factor binding sites in promoters?
One can identify transcription factor binding sites in promoters by using bioinformatics tools to analyze the DNA sequence of the promoter region. These tools can predict potential binding sites based on known binding motifs of transcription factors. Experimental methods such as chromatin immunoprecipitation (ChIP) can also be used to confirm the binding of transcription factors to specific sites in the promoter.
What percentage of oxygen is delivered to tissues at rest in cooperative binding?
72 percent of Oxygen is delivered to tissues at rest in cooperative binding.
Why does the oxygen equilibrium curve of mammalian hemoglobin have a sigmoidal shape?
Because the binding of oxygen to hemoglobin is cooperative, i.e. it exhibits positive cooperativity. This essentially means that the binding of the first molecule of oxygen facilitates the binding of the second, and so on.
Why is hemoglobin an effective respiratory pigment?
The Bohr effect and cooperative binding of oxygen to hemoglobin is what makes it an effective carrier of oxygen from the lungs to the peripheral tissues. What is cooperative binding? The first oxygen bind less strongly to oxygen then does the subsequent oxygen molecules (hemoglobin has four binding zones for oxygen). This means that the binding curve is fairly steep. The Bohr effect is a negative effect on binding of oxygen by hemoglobin in the presence of increased pH. Since peripheral tissues release C02 it increases the local pH releasing the oxygen. After the first oxygen is released the remaining oxygen molecules are quickly disassociated from hemoglobin thus delivering the oxygen to the tissue in need of oxygen.
What binding site does carbon monoxide has?
Carbon monoxide has a high affinity for the heme group in hemoglobin, binding to the iron atom in place of oxygen. This prevents oxygen from binding, reducing the blood's ability to transport oxygen to tissues, leading to tissue hypoxia.
What is the subunit of a ribosome has binding sites for trna?
The small ribosomal subunit contains binding sites for tRNA. These sites are known as the A (aminoacyl), P (peptidyl), and E (exit) sites, where tRNA molecules bind to the mRNA to facilitate protein synthesis.
What role does calcium and oxygen have in muscle contraction?
Calcium plays a key role in muscle contraction by binding to troponin, which allows tropomyosin to move and expose actin binding sites for myosin. Oxygen is needed in the process of cellular respiration to produce ATP, which is the energy source for muscle contraction to occur efficiently. Oxygen is also used to replenish ATP and remove waste products during muscle activity.
What muscle proteins help turn muscle contration on and off?
Calcium is responsible for binding to troponin sites which release tropomyosin off the active binding sites on the thin filament.
Does guanine have two binding sites?
Yes, guanine has two binding sites on its structure - one for hydrogen bonding with cytosine, forming a base pair in DNA, and another for ribose sugar when incorporated into RNA structures. These binding sites allow guanine to participate in the formation of stable nucleic acid structures.
Complement binding sites are located on?
Fc fragment of antibody
