Question

the type of blood cell that is red and has no nucleus is the: erythrocyte. thrombocyte. leukocyte.

Explanation:

Erythrocytes, or red blood cells, are red due to hemoglobin and lose their nucleus during maturation. Thrombocytes (platelets) are cell - fragments involved in clotting and are not red. Leukocytes (white blood cells) have nuclei and are involved in immune responses.

Answer:

erythrocyte.