Biology Which of the following is true of enzymes? Both A & B Enzymes lowers the activation energy for the chemical reaction Neither A nor B Enzymes speed up the rate of a chemical reaction Both A & B Enzymes lowers the activation energy for the chemical reaction Neither A nor B Enzymes speed up the rate of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Biology The DNA bacterium consists of ring -like pieces known as the Chromosomes Mesosomes Plasmids Genes Chromosomes Mesosomes Plasmids Genes ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following hormones is essential for the uptake of glucose by cells in the human body? TSH GH Cortisol Insulin TSH GH Cortisol Insulin ANSWER DOWNLOAD EXAMIANS APP
Biology Which tissue makes the plant hard and stiff? Collenchyma Xylem Parenchyma Sclerenchyma Collenchyma Xylem Parenchyma Sclerenchyma ANSWER DOWNLOAD EXAMIANS APP
Biology Important plant diseases like fire-blite and crownall are caused by Fungi Viruses Bacteria Protozoans Fungi Viruses Bacteria Protozoans ANSWER DOWNLOAD EXAMIANS APP
Biology Vitamins are Micro nutrients Macro Nutrients Non essential Amino acids Essential Amino acids Micro nutrients Macro Nutrients Non essential Amino acids Essential Amino acids ANSWER DOWNLOAD EXAMIANS APP