DNA Structure

Front

What type of bond joins nitrogenous bases in DNA?

Back

Hydrogen bonds

Front

What is the shape of DNA?

Back

Double helix (twisted ladder)

Front

What makes up the rungs (steps) of a DNA ladder?

Back

Nitrogen bases

Front

What makes up the sides of a DNA ladder?

Back

Sugars & phosphates

Front

In DNA, which base always pairs with A?

Back

T

Front

What are the four nitrogenous bases in DNA?

Back

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

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What is the backbone of the DNA structure made of?

Back

Alternating sugar and phosphate groups.

Front

What is the role of hydrogen bonds in DNA?

Back

They hold the two strands of DNA together by connecting complementary nitrogenous bases.

Front

What is the significance of base pairing in DNA?

Back

It ensures accurate replication and transcription of genetic information.