DNA Can Be Isolated from Cells, and the Different Types

question 26

Multiple Choice

DNA can be isolated from cells, and the different types of DNA from the cell can be separated by density gradient centrifugation. The following figures show the density gradient centrifugation profiles for DNA isolated from four different cell types: plant, animal, wild-type yeast with a plasmid, and petite yeast.
- Which figure has the DNA profile that would most closely match DNA from a human cell?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

ACT Theory

A psychological model that seeks to explain human cognition by understanding how information is stored, processed, and retrieved in the mind.

Motivational Interventions

Strategies or techniques used to enhance individuals' motivation aimed at encouraging participation, effort, and persistence in activities, particularly in educational settings.

Self-Regulation

The ability of an individual to manage their thoughts, emotions, and behaviors to achieve long-term goals.

Observational Learning

A learning process through which individuals acquire new behaviors or knowledge by watching and imitating others.