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WorksheetsCell Division and Differentiation
Total questions: 15
Worksheet time: 9mins
Why do cells divide in humans?
Growth and repair
Making offspring
Movement
Creating Energy
What do cells spend most of their time doing?
Splitting cytoplasm (cytokinesis)
Growing (interphase)
Copying their nucleus (mitosis)
Stem cells ...
differentiate.
cause cancer.
grow larger than other cells.
divide faster than other cells.
Cancer cells ...
differentiate.
cause cancer.
grow larger than other cells.
divide more than other cells.
Which of the following statements is false?
All cells in your body have the same DNA.
All cells in your body have the same number of organelles.
Cells in your body are different shapes and sizes.
Cells in your body arose from a fertilized egg cell.
How does your skin heal itself?
Cancer
Apoptosis
Stem cells
Mitosis
When the liver is damaged, what cells undergo mitosis to repair it?
Skin Cells
White Blood Cells
Neurons
Adipocytes
Liver Cells
What causes mutations that can lead to cancer?
exercise
UV light
radiation
water
genetics
Healthy cells will ....
never divide.
divide, but maintain a consistent number of cells.
divide slowly and die off quickly.
divide without a limit and increase in number rapidly.
Cancer cells will ....
never divide.
divide, but maintain a consistent number of cells.
divide slowly and die off quickly.
divide without a limit and increase in number rapidly.
Humans are made up of ...
over 200 types of cells.
stem cells that create differentiated cells on command.
cells with the ability to mutate on command.
the same types of cells as all other vertebrates.
The process of creating daughter cells is called ...
meiosis
apoptosis
mutation
mitosis
One of the characteristics of life is that all living things have a limited lifespan. If fact, most cells can only divide about 50 times before they die. This pre-programmed cell death is called ....
meiosis.
apoptosis.
mutation.
mitosis.
What is the main purpose of the cell cycle?
During a cell’s lifetime, it spends most of the time growing and copying DNA and organelles. When it is time, the cell divides its DNA and organelles to create two new cells with identical DNA, helping an organism grow and to make repairs.
The cell cycle is a process by which cells grow and replicate organelles and DNA in order to stay alive and maintain homeostasis. The process ensures that organisms have appropriate temperature and water level regulation.
The process of the cell cycle is essential to keep a multicellular organism alive. It allows organisms to multiply their cells in a manner that different DNA is added to the differentiated cells like blood cells and bone cells. Then, all cells can carry out their function appropriately.
The process of the cell cycle ensures that all cells in the body have an identical number of organelles and are able to divide rapidly to keep the organism functioning. It leads to differentiated cells like nerve cells and bone cells that work together to keep a multicellular organism functioning.
Why do muscle cells and neurons have such different structures?
They have a different function in the body.
They originated from different stem cells.
They have a different portion of their DNA activated.
They arose at a different stage of development.
