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