Biology Which of the following is true of enzymes? Both A & B Neither A nor B Enzymes speed up the rate of a chemical reaction Enzymes lowers the activation energy for the chemical reaction Both A & B Neither A nor B Enzymes speed up the rate of a chemical reaction Enzymes lowers the activation energy for the chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following phylum is characterised by absence of true coelom Nematoda Echinodermata Mollusca Annelida Nematoda Echinodermata Mollusca Annelida ANSWER DOWNLOAD EXAMIANS APP
Biology The bone of the which organ is the longest in the human body ? Ankle-bone Spinal cord Rib cage Thigh Ankle-bone Spinal cord Rib cage Thigh ANSWER DOWNLOAD EXAMIANS APP
Biology The stages between larval moults in an insect are called Grubs Caterpillars Pupal Instars Grubs Caterpillars Pupal Instars ANSWER DOWNLOAD EXAMIANS APP
Biology When the diaphragm and external intercostal muscles contract, The volume of the thorax increases The volume of the lungs decreases The volume of the thorax decreases The lungs shrink The volume of the thorax increases The volume of the lungs decreases The volume of the thorax decreases The lungs shrink ANSWER DOWNLOAD EXAMIANS APP
Biology Lederberg and Tatum demonstrated conjugation in the bacteria 1946 1945 1947 1944 1946 1945 1947 1944 ANSWER DOWNLOAD EXAMIANS APP
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