DNA Structure 8th Grade Science

DNA stands for

• Deoxyribonucleic Acid

• Oxyribonucleic Acid

• Deribonucleic Acid

DNA is shaped like a

• sphere

• rhombus

• helix

• sickle

Who was awarded with Nobel Prize for discovering DNA structure?

• James Watson and Francis Crick

• Gregor Mendel and James Watson

• Albert Einstein and Thomas Edison

• Francis Crick and Gregor Mendel

DNA is made up of repeating

• nucleotides

• oxygen

• proteins

• Co2

Nucleotides are made up of sugars, phosphates, and

• bases

• proteins

• amino acids

• H2O

DNA bases are adenine, thymine,

• phosphorus

• nitrogen and oxygen

• Co2 and H2O

• guanine, and cytosine

____ are sections of DNA found on chromosomes

• Nuclei

• Chemicals

• Genes

• Cells

Genes direct the construction of __

• solids

• chemicals

• proteins

• DNA

Adenine pairs with

• thymine

• cytosine

• guanine

• adenine

Cytosine pairs with

• adenine

• thymine

• guanine

• cytosine