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