Do you understand the role of stem cells?
Stem Cells and Differentiation
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Question 1 of 14Question 1
Use some of the following words to fill in the blanks. You can use each word more than once.
Growth, division, mass, weight, size, number
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Complete the statements:
- Organisms get larger through the process of . Organisms grow by increasing the and of their cells.
- The of cells an organism has increases through cell .
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Question 2 of 14Question 2
What kind of chart do we use to measure human babies’ growth over time?
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Question 3 of 14Question 3
As organisms grow, their cells need to become more specialised. This is so these new cells can perform their new roles. Which of the following is the process of making cells more specialised?
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Question 4 of 14Question 4
The image shows a chart used to monitor a human baby’s growth over time.
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As a baby grows, we measure their and at regular intervals. We can then plot the results on a chart like the one above. The curved lines represent , these can tell us how the baby’s growth compares to the rest of the . For example, if the measurements of a baby are below the 25th line, it means their growth is in the 25% of the population.
CorrectIncorrectUse some of the following words to fill in the blanks:
Population, percentiles, weight, length, mass, bars, top, bottom
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Question 5 of 14Question 5
What does it mean to be in the 75th percentile? For example, you could be in the 75th percentile for your ability at a board game like chess.
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Question 6 of 14Question 6
During the process of cell differentiation, which of the following may happen?
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Question 7 of 14Question 7
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Complete the sentence: Groups of cells in rapidly growing parts of plants, such as the roots and shoots have a special ability to turn into any kind of cell. These groups of cells are called .
CorrectIncorrectUse one of the following words:
Omnipotent cells
Meristems
Palisade
Xylem
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Question 8 of 14Question 8
Animal, plant, bacteria, early, late
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Complete the following statement:
Most types of cell differentiate at an stage, whereas, many types of cells retain the ability to differentiate throughout life.
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Question 9 of 14Question 9
Plants grow by doing which two processes?
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Question 10 of 14Question 10
What are stem cells?
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Question 11 of 14Question 11
There are two broad types of stem cells. Which of the following is the correct statement?
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Question 12 of 14Question 12
Choose the statement which accurately describes the abilities of plant stem cells.
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Question 13 of 14Question 13
Malaria, paralysis, diabetes, cholera
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Treatment with stem cells may be able to help conditions where we have damaged cells, e.g. and .
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Question 14 of 14Question 14
There are some risks to using stem cells for treating human disease. Which of the following issues can arise during stem cell therapy?
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