Question

Which of these cells lack a nucleus?

• A. Thrombocytes in humans
• B. Lymphocytes of primates
• C. Both Sieve tube cells of vascular plants and thrombocytes in humans
• D. Epithelial cells

Answer 1

Answer:

C. Both Sieve tube cells of vascular plants and thrombocytes in humans

• Some cells such as the red blood cells or the erythrocytes of humans and the sieve tube cells of vascular plants lack a nucleus in their mature cells.

• Thrombocytes (also known as platelets) don’t have a nucleus whereas Lymphocytes and Epithelial cells possess a nucleus.