Based on the diagram, which of these traits are absent in marsupials? A) Fur and amniotic egg
B) Four limbs and amniotic egg
C) Four limbs and shearing teeth
D) Shearing teeth and retractable claws

the real answer is b. scintillation counter

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.