What is the common and scientific name for the beta cell of pancreas? (the name "beta cell of pancreas" is one of them but i'm not sure which so specify that too ! : d )

Which of these statements are true about scientific theories and hypothesis

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?