Asked by Tyrique Spells on Jul 02, 2024
Verified
What is not a hallmark of prophase?
A) Nuclear envelope is visible with the light microscope.
B) Nucleolus disappears.
C) Mitotic spindle is beginning to assemble.
D) Spindle fibers pull chromosomes to opposite sides of the cell.
E) Duplicated chromosomes become visible with the light microscope.
Prophase
The first stage of mitosis. During prophase the chromosomes become visible as distinct structures, the nuclear envelope breaks down, and a spindle forms.
Mitotic Spindle
The mitotic spindle is a structure composed of microtubules, involved in the segregation of chromosomes during cell division.
Spindle Fibers
Protein structures that segregate chromosomes to opposite ends of a cell during cell division.
- Identify and describe the key events of cell division phases (mitosis and cytokinesis) in eukaryotic cells.
Verified Answer
ZK
Zybrea KnightJul 02, 2024
Final Answer :
D
Explanation :
During prophase, the nuclear envelope is still visible, the nucleolus disappears, the mitotic spindle begins to assemble, and duplicated chromosomes become visible. However, spindle fibers pulling chromosomes to opposite sides of the cell is a characteristic of anaphase, not prophase.
Learning Objectives
- Identify and describe the key events of cell division phases (mitosis and cytokinesis) in eukaryotic cells.