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Tumor Suppressor Genes
Tumor suppressor genes or anti-oncogenes generally inhibit cell division in cooperation with proto-oncogenes. The very existence of these genes prevents cells from undergoing neoplastic transformation. While tumor suppressor genes are inactivated by mutations or are deleted, the absence of their protein products permits malignant growth to occur. The most extensively studied disease caused through suppressor genes is the childhood tumor retinoblastoma (cancer of the retina). The gene included is Rb and the genotype of normal individuals is Rb/Rb. A prerequisite of tumor creation is the development of homozygosity or heterozygosity of the rb allele. The possible genetypes for retinoblastoma are, hence, rb/rb; rb/- or -/-
Guar Gum Guar Gum is derived from seed of legume Cyamopsis tetragonalobus resembling soyabean plant. Guar gum is composed of Galactomannan Galactose: mannose in the ratio 1:2.
Explain Cytological Approach in Taxonomy Cytotaxonomy deals with all the aspects of taxonomy at a cellular level. This includes, the structural, genetic and biochemical aspect
Does an increase of H+ cause the hemaglobin oxygen binding curve to shift to the left or right? Explain.
What is a trace element and how are they important in organisms, give an example.
These labs discuss the principle of osmolarity, which is defined as the total number of solute particles in 1 L of solution. Is this the same thing as tonicity? Explain your answer
Q. Why is a man’s voice usually lower than a woman’s voice? Pitch of the voice-how low or high it sounds-it depends on the length, tension and thickness of the vocal cords. As
ROLE OF FAT OR LIPIDS - Made up of fatty acids & glycerol. Linked by ester bond. Maximum quantity of energy is librated. Helpful in temperature regulation. As stored f
full variation topic
Q. Explain about Utility Gloves? Because of the increased risk of percutaneous injury during instrument cleaning (100% of the Faculty incidents reported in academic year 2003/0
what is the tolerance range of man and tillapia
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