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