I will give brainliest!!!!!!! Protein synthesis can occur on the rough endoplasmic reticulum (ER) but not on the smooth ER. Whic
h cell structures are attached to the surface of the rough ER that allow it to make proteins? Choose 1 answer: A DNA strands (Choice B) B Vacuoles (Choice C) C Chloroplasts (Choice D) D Ribosomes
<span>The answer is : Both have true necks, while eusthenopteron has no neck. </span>We know that tiktaalik is more closely related to acanthostega than it is Ichthyostega eusthenopteron because Tiktaalik and Acanthostega both have true necks while eusthenopteron has none.