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 Co-enzymes Diastase None of these Substrates Co-enzymes Diastase None of these Substrates ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Hormones Vitamins Enzymes Steroids Hormones Vitamins Enzymes Steroids ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? Begins the chemical breakdown of starches Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth Contains fluoride to harden the tooth enamel Begins the chemical breakdown of starches Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth Contains fluoride to harden the tooth enamel ANSWER DOWNLOAD EXAMIANS APP
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