Stem Cells and the Great Green Wall

Stem Cells and the Great Green Wall

Assessment

Interactive Video

Biology, Science, Geography

9th - 12th Grade

Hard

Created by

Lucas Foster

FREE Resource

The video discusses the role of stem cells in the body and how their aging affects their function. A study in Science Advances reveals that larger stem cells are less effective, and treatments like rapamycin can maintain their function. The video also covers the Great Green Wall initiative, aimed at restoring ecosystems in Africa, highlighting its progress and challenges. The initiative promises environmental and economic benefits. The episode is supported by Brilliant, an online learning platform.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary role of stem cells in the body?

To produce energy

To store nutrients

To replenish other cells and maintain tissue health

To fight infections

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did the study in Science Advances reveal about stem cell function?

It is unrelated to cell size

It improves with larger cell size

It declines with larger cell size

It is solely dependent on DNA quality

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does rapamycin affect blood stem cells?

It prevents cell growth and maintains function

It increases their size

It stops them from dividing

It damages their DNA

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What might be a reason for the loss of function in larger stem cells?

Lower energy consumption

Increased protein distribution

Higher energy consumption

Decreased protein distribution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the potential benefit of stem cells losing function with age?

To increase cell size

To improve DNA repair

To enhance tissue regeneration

To prevent cancerous growth

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal of the Great Green Wall program?

To reduce population growth

To increase urbanization

To restore degraded ecosystems

To build a physical wall across Africa

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which region is primarily targeted by the Great Green Wall initiative?

The Sahara Desert

The Amazon Rainforest

The Arctic Circle

The Sahel region

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