Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
Do you have any choices ?
Answer:
hope is stoppable if you no longer have the will power or the drive bestowed within you to keep that hope or passion for hope burning inside. if you have no cause to fight for then you wont have a reason to fight. if there is unjust in the world,even if you are the only person standing who thinks it is wrong, if you have the passion and the hope burning within you and to keep it alive, it will never be stopped
Answer: cellulose gives cell walls of plants their rigid structure