Question

Out of dog,fish, lion and human.which cell does not have nucleus

Answer 1

Answer:

Lions, humans, and dogs are all mammals, and in mammals, mature red blood cells lack a nucleus … however, in other animals the nucleus remains. ... If so, possibly, the answer is cells in the lens of the eye. Lions, humans, and dogs are all mammals, and in mammals, mature red blood cells lack a nucleus

Explanation:

Answer 2

Animals don't have Nucleus

Explanation:

• Lions, dogs , and humans are largely warm blooded animals, and in vertebrates, develop red platelets do not have a core
• It Provided that this is true, potentially, the appropriate response is cells in the focal point of the eye. Lions, human, and pooches are on the whole warm blooded animals, and in well evolved creatures, develop blood cells come up short on a core in any case, in different animals the core remains  
• In plant cell sifter tubes has no core when completely produced which is helps in transportation of minerals and in animals  cell the red platelets has no core when completely generated it helps in transportation of oxygen to cells and takes carbondioxide from them