Stem Cells

The diagram shows the process of cell specialization from a single stem cell. Which of the following statements is true about the process of specialization.

• Specilized cells (blood, skin, nervous etc) cannot be produced from a single stem cell
• Specilized cells are produced immediately following fertilization
• Even though all the cells in an organism come from one single cell, they can specialize into different cell types
• Sincce all the cells in an organism come from one single cell, they must all have the same structure and function

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Stem cells can be obtained from

• embryos
• some adult tissues
• umbilical cord blood
• all of the above

What do stem cells have to do with clones?

• Stem cells can divide and differentiate  and grow into a clone
• Clones can be grown from stem cells
• Both choices are correct
• None of these choices are correct

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What are iPS cells, and what do they mean to stem cell research?

• Induced purpose stem cells, mean embryo cells were made into adult-like cells
• Induced purpose stem cells, mean adult cells were reversed to baby cells
• Induced pluripotent stem cells, mean adult cells were made into embryo-like cells
• Induced pluripotent stem cells, mean cells were totipotent and are now pluripotent

What is the difference between embryonic stem cells and adult stem cells?

• Embryonic stem cells can differentiate into more cell types than adult stem cells
• Adult stem cells are pluripotent, just like embryonic stem cells
• Adult stem cells can differentiate into more cell types than embryonic stem cells
• Adult stem cells grow bigger than embryonic stem cells

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what is the role of stem cells in the body 

• fight against infection 
• provide specialized roles in the body 
• used for fertility treatment 
• they produce new specialized cells in the body to replace old cells that are used up 

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iPS stem cells are derived from ....

• Embryonic SC
• IVF embryos
• Blastocysts
• Adult somatic cells

Which stem cells have the most potency?

• Multipotent
• Pluripotent
• Totipotent
• Unipotent

Adult stem cells can also be referred to as 

• somatic stem cells 
• embryonic stem cells 
• starter cells 
• IPS cells 

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scientists can reprogram skin cells to act like stem cells 

• true 
• false