During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?
Correct answer: B. Metaphase
- A. Prophase
- B. Metaphase
- C. Telophase
- D. Anaphase
Explanation
During metaphase of mitosis, the chromosomes align along the metaphase plate, an imaginary plane equidistant between the two poles of the cell. Each chromosome's centromere is attached to spindle fibers originating from opposite poles of the cell. This alignment ensures that each daughter cell will receive an identical set of chromosomes during cell division. Metaphase is a critical checkpoint in mitosis, ensuring the proper alignment of chromosomes before they are separated and distributed to the daughter cells during anaphase.
Last updated
About Cell Structure and Function
Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
Practise Cell Structure and Function
2,478 free Cell Structure and Function MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.