DNA structure honors bio

Front

What does 'antiparallel' mean in the context of DNA strands?

Back

The 5' to 3' direction of one strand runs counter to the 5' to 3' direction of the other strand.

Front

What is the sugar component of DNA called?

Back

Deoxyribose sugar.

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, nitrogen base.

Front

According to Chargaff's rule, if the percentage of adenine in DNA is 28.8%, what is the approximate percentage of thymine?

Back

28.8%.

Front

What is the yellow portion of a DNA molecule called?

Back

The phosphate group.

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the structure of DNA commonly described as?

Back

A double helix.

Front

What type of bond holds the nitrogen bases together in the DNA structure?

Back

Hydrogen bonds.

Front

What is the role of the phosphate group in DNA?

Back

It forms the backbone of the DNA structure, linking nucleotides together.

Front

What is the significance of Chargaff's rule in DNA structure?

Back

It states that in DNA, the amount of adenine equals thymine and the amount of guanine equals cytosine.