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Biology Chapter 5: DNA in Living Things

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Questions and Answers

What is the primary function of DNA in living organisms?

To store energy for cellular processes

To act as a catalyst for biochemical reactions

To serve as hereditary material (correct)

To provide structural support to cells

Where is DNA located in eukaryotic cells?

In the cytoplasm

In the cell membrane

In the ribosomes

In the nucleus (correct)

How does DNA ensure the new cell receives the correct genetic information during cell division?

By replicating itself (correct)

By breaking down proteins

By undergoing mutations

By exchanging genetic material with other cells

Which statement about DNA in prokaryotic cells is true?

<p>It is located in the nucleoid region</p> Signup and view all the answers

What substance is DNA primarily composed of?

<p>Nucleotides</p> Signup and view all the answers

Study Notes

DNA Overview

DNA stands for deoxyribonucleic acid, which is the hereditary material in all living organisms.
Found within the nucleus of eukaryotic cells and in the nucleoid region of prokaryotic cells.

Replication Process

DNA has the ability to replicate itself, ensuring genetic continuity.
When cells divide, each new cell receives an exact copy of the DNA from the parent cell.

Role in Heredity

DNA carries genetic information necessary for the growth, development, and functioning of living organisms.
It is crucial for transmitting traits from one generation to the next.

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Description

Explore the fundamentals of DNA, the hereditary material crucial to all living organisms. This quiz covers DNA structure, function, and replication processes in both eukaryotic and prokaryotic cells, ensuring a solid understanding of genetic inheritance.