DNA Structure

DNA Structure

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the structure of DNA?

Back

DNA is a double helix made up of two strands that wind around each other, consisting of nucleotides.

2.

FLASHCARD QUESTION

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

3.

FLASHCARD QUESTION

Front

What is the base pairing rule in DNA?

Back

Adenine pairs with Thymine (A-T) and Cytosine pairs with Guanine (C-G).

4.

FLASHCARD QUESTION

Front

What type of bond holds the nitrogenous bases together?

Back

Hydrogen bonds hold the nitrogenous bases together.

5.

FLASHCARD QUESTION

Front

What is a nucleotide?

Back

A nucleotide is the basic building block of DNA, consisting of a sugar, a phosphate group, and a nitrogenous base.

6.

FLASHCARD QUESTION

Front

What is the role of DNA in living organisms?

Back

DNA carries genetic information that determines the traits and functions of living organisms.

7.

FLASHCARD QUESTION

Front

How does DNA replicate?

Back

DNA replication involves unwinding the double helix and using each strand as a template to create a new complementary strand.

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