Biology What prevents food from entering the windpipe? Epiglottis Trachea Pharynx Larynx Epiglottis Trachea Pharynx Larynx ANSWER DOWNLOAD EXAMIANS APP
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 They substances,which assist enzymes act,are called Co-enzymes Substrates Diastase None of these Co-enzymes Substrates Diastase None of these ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Steroids Vitamins Hormones Enzymes Steroids Vitamins Hormones Enzymes ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? Contains fluoride to harden the tooth enamel Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth Begins the chemical breakdown of starches Contains fluoride to harden the tooth enamel Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth Begins the chemical breakdown of starches ANSWER DOWNLOAD EXAMIANS APP
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