Biology What prevents food from entering the windpipe? Epiglottis Trachea Larynx Pharynx Epiglottis Trachea Larynx Pharynx 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 Substrates Co-enzymes None of these Diastase Substrates Co-enzymes None of these 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? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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