Cell Cycle & Mitosis DCA Review - Quizs

In animal cells, cytokinesis and cell division happen at the ____________.

• cell plate

• cleavage furrow

• both of these

• neither of these

Answer explanation

In animal cells, cytokinesis occurs through the formation of a cleavage furrow, which pinches the cell membrane to divide the cell. A cell plate is specific to plant cells, making 'cleavage furrow' the correct answer.

List the Cell Cycle phases and stages in order.

• Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis

• Interphase, Metaphase, Anaphase, Cytokinesis, Prophase, Telophase

• Prophase, Metaphase, Interphase, Telophase, Cytokinesis, Anaphase

• Cytokinesis, Telophase, Anaphase, Metaphase, Prophase, Interphase

Answer explanation

The correct order of the Cell Cycle phases is Interphase, followed by the stages of mitosis: Prophase, Metaphase, Anaphase, Telophase, and finally Cytokinesis. This sequence is essential for proper cell division.

The phases of mitosis IN ORDER are:

• Prophase, Metaphase, Anaphase, Telophase

• Metaphase, Prophase, Telophase, Anaphase

• Anaphase, Telophase, Prophase, Metaphase

• Telophase, Anaphase, Metaphase, Prophase

Answer explanation

The correct order of mitosis phases is Prophase, Metaphase, Anaphase, and Telophase. This sequence is essential for proper cell division, ensuring chromosomes are accurately separated and distributed.

In what phase of mitosis do long strands of chromatin condense and coil into visible chromosomes?

• Metaphase

• Anaphase

• Prophase

• Telophase

Answer explanation

During prophase, chromatin condenses and coils into visible chromosomes, making them easier to identify under a microscope. This is the first stage of mitosis where chromosomal structures become apparent.

Is cytokinesis a stage of mitosis?

• True

• False

• It is a part of interphase

• It occurs after telophase

Answer explanation

Cytokinesis is not a stage of mitosis; it is the process that follows mitosis, dividing the cytoplasm of a parental cell into two daughter cells. Therefore, the statement is False.

Chromatin refers to DNA that is _________________?

• short compact strands

• long relaxed strands

• circular structures

• linear fragments

Answer explanation

Chromatin is the form of DNA that is long and relaxed, allowing for gene expression and replication. In contrast, tightly coiled and condensed DNA refers to chromosomes, which are not the same as chromatin.

The final result after mitosis and cytokinesis is __________.

• two daughter cells with identical genetic material

• one daughter cell with half the genetic material

• four daughter cells with varied genetic material

• two daughter cells with different genetic material

Answer explanation

The final result of mitosis and cytokinesis is two daughter cells that are genetically identical to each other and to the original parent cell, ensuring the preservation of genetic material.

A chromosome is _________________?

• tightly coiled and condensed DNA

• a type of RNA

• a protein structure

• a lipid molecule

Answer explanation

A chromosome is tightly coiled and condensed DNA, which allows it to fit within the cell nucleus. This structure is essential for proper cell division and genetic information storage.

What holds identical replicated sister chromatids together?

• centromere

• chromatin

• kinetochore

• spindle fibers

Answer explanation

The centromere is the region that holds identical replicated sister chromatids together during cell division, ensuring proper separation into daughter cells.

The longest phase of the Cell Cycle is _______________.

• Metaphase

• Anaphase

• Interphase

• Telophase

Answer explanation

The longest phase of the Cell Cycle is Interphase, which includes G1, S, and G2 phases. It accounts for the majority of the cell's life, while Mitosis and Cytokinesis are much shorter processes.