Mitosis

Where does spindle fibres attach to during metaphase?

• Centromere

• Telomere

• Centriole

• Kinetochore

Nucleolus and endoplasmic reticulum start disappearing at____

• early prophase

• late prophase

• early anaphase

• telophase

A protein complex, that links sister chromatids, is_____

• Actine

• Myosin

• Cohesin

• Adhesin

Cell division occurring during cleavage____

• Mitosis

• Amitosis

• Closed mitosis

• Meiosis

This cell is in which stage of mitosis?

• Early prophase

• Metaphase

• Anaphase

• Telophase

Which one of the following precedes reformation of the nuclear envelope during M Phase of the cell cycle?

• Formation of the contractile ring and transcription from chromosomes

• Decondensation from chromosomes and reassembly of the nuclear lamina

• Transcription from chromosomes and reassembly of the nuclear lamina

• Formation of the contractile ring and dna synthesis

As cells enter M phase cohesins are replaced by ______along most of the chromosome remaining only at the centromere.

• tubulin

• adhesin

• actin

• condensin

Which of the following play important role in spindle formation, kinetochore function and cytokinesis?

• CDK1

• Aurora and Polo-like kinases

• Cycline

• Actin

Progression to anaphase is mediated by activation of________

• Separase

• cdc20

• Anaphase promoting complex (APC)

• Cohesin

Cytokinesis of yeast and animal cells is mediated by a contractile ring of________.

• Lamin filaments

• actin and tubulin filaments

• actin and myosin II filaments

• tubulin and lamin filaments