In the following image, the structure labeled A is referring to a (a)
(b)
(c)
Chromatid
Centromere
Single Stranded Chromosome
Double Stranded Chromosome

Where can a dna be found in a prokaryotic cell

Why do oceanic plates tend to subduction when colliding with a continental plate

Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.