

Reversing Aging and Stem Cell Activation
Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main outcome of Wanda Ruth Lunsford's experiment with rats?
The young rat aged rapidly.
The old rat became younger in appearance and health.
Both rats died shortly after the experiment.
The rats developed new diseases.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did modern laboratories discover when they repeated Lunsford's experiment?
Stem cells in older organisms can be reactivated by proteins from younger ones.
The old organisms showed no change.
The experiment was a complete failure.
The young organisms aged faster.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do proteins from young organisms affect stem cells?
They have no effect on stem cells.
They reactivate dormant stem cells.
They turn stem cells off permanently.
They put stem cells to sleep.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to stem cells at age 25 according to the research?
They disappear completely.
They multiply rapidly.
They go to sleep and get turned off.
They become more active.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What potential medical application is being explored with these proteins?
Preventing all diseases.
Curing all types of cancer.
Stimulating bone repair in the elderly.
Increasing lifespan to 150 years.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is cancer in children more curable than in adults?
Children have more active stem cells.
Children receive better medical care.
Adults have stronger immune systems.
Cancer is less aggressive in children.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential benefit of reactivating stem cells in the elderly?
Increased risk of diseases.
Slower healing of injuries.
Permanent changes in DNA.
Faster tissue repair and recovery.
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