Biology What prevents food from entering the windpipe? Larynx Pharynx Trachea Epiglottis Larynx Pharynx Trachea Epiglottis ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of enzymes? 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 Enzymes lowers the activation energy for the 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 Co-enzymes Substrates Diastase None of these Co-enzymes Substrates Diastase ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Vitamins Hormones Steroids Enzymes Vitamins Hormones Steroids Enzymes ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? 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 Moistens food and helps stick it together to make it easier to swallow Helps clean the mouth ANSWER DOWNLOAD EXAMIANS APP
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