Biology: Mitosis and Meiosis Practice 10/27/23

Match the following

• Gap 1 (G1) phase

• Four phase process in which two nuclei are created

• Centromere

• The carries out routine functions as it grows and makes proteins and organelles.

• Sister chromatids

• Two identical chromosomes that are created before cell division

• Mitosis

• Nine triplets of microtubules that assist with cell division

• Centrioles

• The point at which two sister chromatids are attached

Match the following

• Spindle fibers

• Splitting the cytoplasm to create two daughter cells.

• Cell Plate

• A new cell wall that develops between the nuclei of plant cells in Telophase.

• Synthesis (S) phase

• The DNA is replicated during this sub-phase of interphase.

• Cytokinesis

• Structures that are elongations of centrioles and assist with nuclear division.

The cell spends most of its life in

• Mitosis

• Cytokinesis

• Prophase

• Interphase

Answer explanation

Interphase makes up a majority of the cells life during which it will perform normal cell functions

The nuclear envelope begins to dissolve in

• Metaphase.

• Prophase.

• Telophase

• Anaphase

Answer explanation

The nuclear envelope dissolves during prophase to allow for the the movement of the chromosomes to the equator in metaphase

Two nuclei appear in

• Metaphase.

• Prophase.

• Telophase.

• 1. Anaphase.

Answer explanation

The two nuclei appear in telophase as the last step in preparation for cell division in cytokinesis

DNA in the form of chromatin is present during

• Metaphase

• Interphase

• anaphase

•  none of these

Answer explanation

Chromatin is the loose un-compacted form of DNA that can be found in the cell during interphase before it is compacted in prophase

What type of cell division do prokaryotic cells undergo?

• Binary fission

• Meiosis

• Mitosis

• none of these

What is the first step in prokaryotic cell division?

• A new cell membrane is created

• A new cell wall is created

• DNA is replicated

• The cell membrane is pushed inward, causing the cytoplasm to divide.

Chromosomes line up at the cell’s equator during

• Prophase

• Metaphase

• Anaphase

• Telophase

Which type of cell division do eukaryotic cells go through?

• Binary fission

• Stem Therapy

• Mitosis

• none of these