NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Stem cells are
A
cells that grow uncontrollably.
B
undifferentiated and can develop into many types of cells.
C
cells that never go through cell division.
D
only found in embryos.
Explanation: 

Detailed explanation-1: -These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body. This versatility allows embryonic stem cells to be used to regenerate or repair diseased tissue and organs.

Detailed explanation-2: -Adult Stem Cells (ASCs): ASCs are undifferentiated cells found living within specific differentiated tissues in our bodies that can renew themselves or generate new cells that can replenish dead or damaged tissue. You may also see the term “somatic stem cell” used to refer to adult stem cells.

Detailed explanation-3: -Adult stem cells, also called somatic stem cells, are undifferentiated cells that are found in many different tissues throughout the body of nearly all organisms, including humans.

Detailed explanation-4: -Scientists call a stem cell an “undifferentiated” cell because it can become any cell. In contrast, a blood cell, for example, is a “differentiated” cell because it has already formed into a specific kind of cell.

Detailed explanation-5: -Embryonic stem cells. These embryonic stem cells are pluripotent. This means that they can turn into more than one type of cell.

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