Biology Which organelle is the control center of a cell? Cytoplasm Cell membrane Endoplasmic reticulum Nucleus Cytoplasm Cell membrane Endoplasmic reticulum Nucleus ANSWER DOWNLOAD EXAMIANS APP
Biology Antibody is produced by B-lymphocytes Erythrocytes Osteoblast Skin cells B-lymphocytes Erythrocytes Osteoblast Skin cells ANSWER DOWNLOAD EXAMIANS APP
Biology Medulla oblongata is a part of which of the following? Brain Heart Stomach Lungs Brain Heart Stomach Lungs ANSWER DOWNLOAD EXAMIANS APP
Biology Through cell membrane ,which substances can pass more easily than others? Peptides soluble Lipid soluble Nucleic acids soluble Cellulose soluble Peptides soluble Lipid soluble Nucleic acids soluble Cellulose soluble ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of enzymes? Enzymes speed up the rate of a chemical reaction Neither A nor B Enzymes lowers the activation energy for the chemical reaction Both A & B Enzymes speed up the rate of a chemical reaction Neither A nor B Enzymes lowers the activation energy for the chemical reaction Both A & B ANSWER DOWNLOAD EXAMIANS APP
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