Which of the following best describes how different cell types in the human body can have such vastly different appearances and functions? O Different cell types inherit different DNA sequences. All cell types inherit the same DNA sequences but some of the DNA is destroyed over time. All cell types contain the same DNA sequences but each cell makes different proteins.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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**Understanding Cell Differentiation in the Human Body**

**Question:**

Which of the following best describes how different cell types in the human body can have such vastly different appearances and functions?

1. Different cell types inherit different DNA sequences.
2. All cell types inherit the same DNA sequences but some of the DNA is destroyed over time.
3. All cell types contain the same DNA sequences but each cell makes different proteins.

**Answer:**
- **(Selected)** Different cell types inherit different DNA sequences. 
- All cell types inherit the same DNA sequences but some of the DNA is destroyed over time.
- All cell types contain the same DNA sequences but each cell makes different proteins.

**Explanation:**

The accurate answer, which can be inferred from the given options, deals with how cells in the human body utilize their DNA. While the first option is selected (Different cell types inherit different DNA sequences), the most scientifically accurate answer actually should be:

- **All cell types contain the same DNA sequences but each cell makes different proteins.**

This is because, in reality, all the cells in the human body contain the same DNA. However, the vast differences in cell function and appearance arise because of how the cells interpret and express their DNA. Each cell type activates different genes and produces a unique set of proteins, leading to the specialization observed in diverse cell types.
Transcribed Image Text:**Understanding Cell Differentiation in the Human Body** **Question:** Which of the following best describes how different cell types in the human body can have such vastly different appearances and functions? 1. Different cell types inherit different DNA sequences. 2. All cell types inherit the same DNA sequences but some of the DNA is destroyed over time. 3. All cell types contain the same DNA sequences but each cell makes different proteins. **Answer:** - **(Selected)** Different cell types inherit different DNA sequences. - All cell types inherit the same DNA sequences but some of the DNA is destroyed over time. - All cell types contain the same DNA sequences but each cell makes different proteins. **Explanation:** The accurate answer, which can be inferred from the given options, deals with how cells in the human body utilize their DNA. While the first option is selected (Different cell types inherit different DNA sequences), the most scientifically accurate answer actually should be: - **All cell types contain the same DNA sequences but each cell makes different proteins.** This is because, in reality, all the cells in the human body contain the same DNA. However, the vast differences in cell function and appearance arise because of how the cells interpret and express their DNA. Each cell type activates different genes and produces a unique set of proteins, leading to the specialization observed in diverse cell types.
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