Stem Cells from Adult Animals

question 57

Multiple Choice

Stem cells from adult animals

• A) are always totipotent.
• B) divide when provided with external signals.
• C) are not present in bone marrow.
• D) are present in an embryo but not an adult.
• E) can be turned into differentiated cells with only a few genes.

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Definitions:

Pacifier Sucking

A natural reflex action in infants involving rhythmic sucking on pacifiers or similar objects for comfort and self-soothing.

Vowels

Speech sounds produced without any appreciable constriction or blockage of airflow in the vocal tract.

Intonation

The variation in pitch when speaking, which can convey different meanings or emotions in spoken language.

Differentiation

In education, it refers to customizing teaching and learning strategies to accommodate students’ differing abilities. In biology, it is the process by which cells or tissues undergo a change towards a more specialized form or function.