What External Stimulation Is Required by Mammalian Cells to Progress

question 14

Multiple Choice

What external stimulation is required by mammalian cells to progress through the cell cycle prior to reaching the restriction point?

• A)presence of steroid hormones in their culture medium
• B)presence of Na+ ions in their culture medium
• C)presence of growth factors in their culture medium
• D)no external stimulation is required
• E)presence of vitamins in their culture medium

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Definitions:

Intended Gains

The expected benefits or outcomes that an individual or group aims to achieve through certain actions or strategies.

Baseline Measures

Initial data collected before a program or intervention begins, used for comparison with later data to assess progress.

Reliability

The degree to which an assessment tool or measurement is consistently accurate across different times and contexts.

Validity

The extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world.