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Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements.
1. By itself, heme is not a good oxygen carrier. It must be part of a larger protein to prevent oxidation of the iron.
2. Molecular oxygen binds irreversibly to the Fe(II) atom in heme.
3. Heme is composed of an organic protoporphyrin component and a metal atom.
4. Each hemoglobin molecule can bind four oxygen molecules; each myoglobin can bind only one oxygen molecule.
5. Hemoglobin and myoglobin are heterotetramers.
6. Both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom.
7. Each iron atom can form six coordination bonds: One of these bonds is formed between iron and oxygen.
Which type of plant tissue is cork? Cork, the material, for example, used to cap wine bottles, is extracted from the suber of a special oak known as cork oak.
respiratory system in amphibains
Define tracheal system in details. Respiratory system found in insects and some spiders where air passes directly to the tissues through a series of tubules. Since oxygen tran
Explain the Properties of hydrolysed soy proteins Partially hydrolysed soy proteins possess good foam stabilization properties and can be used as whipping agents in combination
waht is meant bu warren.?
Osteogenesis The term osteogenesis describes essentially two distinctly different phenomena by which bone can become juxtaposed to an implant surface.
Phases of Ovarian Cycle In non-mammalian vertebrates the ovarian cycle consists of the following phase; Pre breeding phase Breeding phase and Post breedin
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DISORDER S OF THE GONADS Hypogonadism. Inadequate gonadal function is called hypogonadism. It is due to defects in, or injury to the hypothalamus, the pituitary gland, of th
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