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In the experiments that led Fredrick Griffith to discover the "Transforming Principle", which of the following was the key step in illustrating that a substance within one cell could transform another cell?
A. Live strains of pathogenic and non-pathogenic bacteria were independently injected into mice.
B. Heat killed and fragmented pathogenic bacteria cells were injected into mice.
C. Heat killed and fragmented pathogenic bacteria cells were mixed with living non-pathogenic bacterial cells and then injected into mice.
D. Live strains of pathogenic and non-pathogenic bacteria were varied together and injected into mice.
Explain Potential Effect of Nutrient and Drug Interaction? The extent of the effects of any food and drug interaction call varies. Potential effects depend on the dose and the
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Hormone s . The thyroid gland secretes following hormones. Thyroxine (tetraiodothyronine or T 4 )' and tri-iodothyronine or T 3 are secreted by the thyroid follicular cells.
Classification of Aquatic Organisms After discussing the common types of the aquatic ecosystem let us now study in brief the ecological classification of aquatic organisms. I
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what is meant by double penetration sex?
Explain about the Antioxidant Activity of Sugar? Several carbohydrates are tremendous scavengers for metal ions. Glucose, fructose and sugar alcohols (sorbitol and mannitol) ha
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