Which Element Is a Transition Element

question 62

Multiple Choice

Which element is a transition element?

• A)K
• B)Co
• C)Ca
• D)Kr

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Definitions:

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column, transmitting neural signals between the brain and the body.

Stem Cells

Undifferentiated biological cells that can differentiate into specialized cells and can divide to produce more stem cells.

Early Embryos

The initial stages of development in an organism, following fertilization and before significant differentiation has occurred.

Central Nervous System

The complex of nerve tissues that controls the activities of the body. In vertebrates, it comprises the brain and spinal cord.