Biology What prevents food from entering the windpipe? Trachea Pharynx Larynx Epiglottis Trachea Pharynx Larynx Epiglottis 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 Both A & B Neither A nor B Enzymes lowers the activation energy for the chemical reaction Enzymes speed up the rate of a chemical reaction Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Biology They substances,which assist enzymes act,are called Co-enzymes None of these Substrates Diastase Co-enzymes None of these Substrates Diastase ANSWER DOWNLOAD EXAMIANS APP
Biology Biological catalysis in living organisms are known as Steroids Enzymes Vitamins Hormones Steroids Enzymes Vitamins Hormones ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is not a function of saliva? 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 Helps clean the mouth Contains fluoride to harden the tooth enamel Moistens food and helps stick it together to make it easier to swallow ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS