Biology What prevents food from entering the windpipe? Epiglottis Larynx Trachea Pharynx Epiglottis Larynx Trachea Pharynx ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of enzymes? Enzymes lowers the activation energy for the chemical reaction Enzymes speed up the rate of a chemical reaction Neither A nor B Both A & B Enzymes lowers the activation energy for the chemical reaction Enzymes speed up the rate of a chemical reaction Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Biology They substances,which assist enzymes act,are called Diastase Co-enzymes Substrates None of these Diastase Co-enzymes Substrates None of these ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Hormones Enzymes Steroids Vitamins Hormones Enzymes Steroids Vitamins ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? Contains fluoride to harden the tooth enamel Begins the chemical breakdown of starches Helps clean the mouth Moistens food and helps stick it together to make it easier to swallow Contains fluoride to harden the tooth enamel Begins the chemical breakdown of starches Helps clean the mouth Moistens food and helps stick it together to make it easier to swallow ANSWER DOWNLOAD EXAMIANS APP