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Describe the key feature of stem cells and discuss their applications in research and medicine. Please provide examples.

Stem cells are undifferentiated cells with the ability to differentiate to form specialised cells, such as erythrocytes and neurons, or to self-r...

TM
Answered by Tabitha M. Biology tutor
2560 Views

What is meant by the term 'Electronegativity'

Electronegativity, as denoted by the Greek letter 'chi', is the tendency of an atom to attract bonding electrons within a covalent bond. Let us unravel what this means. The term electronegativity may only...

YT
3513 Views

How can you solve an equation with unknowns in the denominators?

First, you should make it so that each fraction has a common denominator. This will usually be done by multiplying the numerator and the denominator of the fraction by the same expression (this is accepta...

JR
Answered by Joshua R. Maths tutor
3269 Views

How does homeostasis in humans serve to regulate blood water potential?

The water potential of the blood is constantly monitored by specialised sensory neurones in the hypothalamus known as osmoreceptors. When these cells detect that the water potential of the blood is beginn...

JM
Answered by Jonathan M. Biology tutor
4479 Views

When do plural nouns end with a -s , -x or -aux ?

Depending on the types of nouns, different endings apply.
·        Most of the time, turning a noun from singular to plural is easy, and you will only need to add a -s at the end of the word. Ex: un...

CP
Answered by Cassandra P. French tutor
4480 Views

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