Which of the following best describes an example of a specific internal response to harmful bacteria? skin serves as a physical barrier that prevents bacteria from entering the body. saliva contains enzymes that destroy bacteria and prevent infection. bacterial infection causes the release of histamine, which leads to inflammation and swelling. antigens trigger the production of antibodies, which mark bacteria for destruction.

Kara has a plant that produces either purple or white flowers. she crosses a plant that has two recessive alleles for white flowers with a plant that has two dominant alleles for purple flowers. which result would be true of all of the offspring? a) all of the offspring would have two recessive alleles and white flowers. b) all of the offspring would have two dominant alleles and purple flowers. c) all of the offspring would have one recessive allele, one dominant allele, and white flowers. d) all of the offspring would have one recessive allele, one dominant allele, and purple flowers