When a body cell divides through the process of mitosis, the chromosomes in the daughter cells *
are formed when chromosomes from the parent cell cross over.
are identical to the chromosomes of the parent cell.
represent only the healthiest chromosomes from the parent cell.
represent only half of the chromosomes in the parent cell.
The image below shows the phase of mitosis where the chromosomes are lined up along the middle of the cell. Which of the following best describes the phase of mitosis that will occur directly after the phase shown in the image? *
Captionless Image
The next phase will be metaphase, during which the centromeres that join the sister chromatids connect to spindle fibers in the cell.
The next phase will be telophase, during which the chromosomes uncoil, new nuclear membranes are formed, and the spindle fibers dissolve.
The next phase will be prophase, during which chromosomes condense, the nuclear membrane is dissolved, and centrioles produce spindle fibers.
The next phase will be anaphase, during which sister chromatids separate and move away from one another towards the opposite poles of the cell.
Before a cell enters mitosis, what happens to the genetic information in that cell? *
The information is duplicated.
The information is selectively mutated.
The information is halved.
The information is completely changed.
Which of the following best describes how mitosis is related to cellular reproduction? *
Mitosis is a phase in asexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical nuclei in the daughter cells.
Which of the following occurs during the interphase stage of the cell cycle? I. DNA is replicated. II. The cell divides. III. The cell grows in size. *
10 points
II only
I and III only
I, II, and III
I and II only
A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle? *
Captionless Image
The cell's chromosomes separate.
The contents of the cell divide.
The cell's DNA is replicated.
The cell prepares for mitosis.
At a point during a cell's development, it begins to differentiate. How does differentiation occur? *
Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
As a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
The number of chromosomes in the cell is reduced by half; this action triggers the specialization of the cell.
A developing cell's function is determined by the number of organelles that are contained in the cell.
When a body cell divides through the process of mitosis, the chromosomes in the daughter cells are identical to the chromosomes of the parent cell. This occurs because during mitosis, the parent cell's chromosomes are duplicated and then separated into the daughter cells, resulting in each daughter cell receiving a complete set of chromosomes identical to the parent cell.
The phase of mitosis shown in the image, where the chromosomes are lined up along the middle of the cell, is called metaphase. The next phase that will occur directly after metaphase is anaphase, during which the sister chromatids separate and move away from one another towards the opposite poles of the cell.
Before a cell enters mitosis, the genetic information in that cell is duplicated. This occurs during a stage called the S phase of the cell cycle, which is part of interphase. During interphase, the cell grows in size, DNA is replicated (duplicated), and other cellular components are synthesized in preparation for cell division.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells. In asexual reproduction, a single parent organism produces offspring that are genetically identical to itself. Mitosis plays a crucial role in this process by ensuring that each daughter cell receives the same genetic information as the parent cell.
During the interphase stage of the cell cycle, DNA is replicated (duplicated) in the S phase, and the cell also grows in size. So the correct answer is "I and III only".
During the S phase of the cell cycle, the cell's DNA is replicated. This means that the genetic information is duplicated, ensuring that each daughter cell receives a full set of chromosomes.
Differentiation occurs as certain genes are turned on and others are turned off in a developing cell. This process determines the specialization and function of the cell as it matures. So the correct answer is "Certain genes are turned on and others are turned off; this action produces adult cells that are specialized."
When a body cell divides through the process of mitosis, the chromosomes in the daughter cells are identical to the chromosomes of the parent cell.
The phase of mitosis that will occur directly after the phase shown in the image is anaphase, during which sister chromatids separate and move away from one another towards the opposite poles of the cell.
Before a cell enters mitosis, the genetic information in that cell is duplicated.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
During the interphase stage of the cell cycle, I. DNA is replicated and III. The cell grows in size.
During the S phase of the cell cycle, the cell's DNA is replicated.
Differentiation occurs when certain genes are turned on and others are turned off; this action produces adult cells that are specialized.