Year 12 Biology DNA

DNA stands for

• Deoxyribo Nucleic Bases

• Deoxyribo Nutrigenic Acid

• Deoxyribonucleic Acid

• DNA

A nucleotide is composed of...

Draw a DNA monomer

The sugar-phosphate backbone of DNA is also known as...

• A monomer

• A polymer

• DNA

• Hydrogen Bonds

Work out the complementary base pairs for the following sequence

A C T G T T A C G A C C G

DNA strands are often described as antiparallel. Explain what this means

Nitrogen bases are connected by

• Strong hydrogen Bonds

• Strong Nitrogen Bonds

• Weak Nitrogen Bonds

• Weak hydrogen Bonds

Why is DNA important? What is its purpose?

DNA is wound around a protein called...

• Histone

• Nucleotide

• Nucleosome

• Chromatin

In Eurkaryotes, DNA is found in chromosomes in the ______ of all cells.