Hamad Biology Mcqs 18/11/2021 A. 1.5 billion B. 2.5 billion C. 3.5 billion D. 4.5 billion Related Mcqs: Pollen grains in pinus have __________ for dispersal through wind?A. Flagella B. Cilia C. Wings D. Feathers... Movement of the material across the cell membrane which does not requiring expenditure of metabolic energy is called__________?A. Active transport B. Passive transport C. Co-transport D. Counter transport... Which of the following combination is an example of self replicating organelles?A. Mitochondria Ribosomes B. Mitochondria Nucleus C. Mitochondria Chloroplast D. Mitochondria Vacuole... Extreme change in pH results in______________?A. Change in ionization of amino acids at the active site of the enzyme B. Change in the ionization of the substrate C. Denaturation of the enzyme D. Increase in the reaction rate... Which of the following substance is most favorable to form structural component of biological membranes___________?A. Hydrophilic Carbohydrates B. Hydrophobic fats. C. Both a and b D. None of these...
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