Biology What prevents food from entering the windpipe? Larynx Epiglottis Pharynx Trachea Larynx Epiglottis Pharynx Trachea 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 None of these Substrates Co-enzymes Diastase None of these Substrates Co-enzymes Diastase ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Hormones Steroids Enzymes Vitamins Hormones Steroids Enzymes Vitamins 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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