Bacteriocins and defensins are types of which of the following?
leukotrienes
cytokines
inflammation-eliciting mediators
antimicrobial peptides

Antimicrobial peptides

Explanation:

Antimicrobial peptides may be defined as the important part of immune system that provide protection against the pathogens. These peptides are also known as host defense peptides.

Defensin and bacteriocins are the antimicrobial peptide. Defensin are cysteine rich protein that provide protection against bacteria, virus and cancer cells. Bacteriocin peptide is present in bacteria that inhibit the growth of the same strains of bacteria.

Thus, the correct answer is option (4).

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).