Genes and DNA

Sugar in DNA

• deoxyribose

• ribose

• deoxyribose and ribose

Which base is NOT in DNA?

• A

• T

• U

• C

• G

Discovered shape of DNA

• Chargaff and Watson

• Newton and Issac

• Watson and Crick

Who discovered how bases pair?

• Watson

• Chargaff

• Crick

• Williams

Which has the double helix shape?

• RNA

• DNA

• RNA and DNA

What always pairs with Cytosine?

• adenine

• thymine

• uracil

• guanine

Sugar in RNA

• ribose

• deoxyribose

• ribose and deoxyribose

Shape of RNA

• double helix

• single strand

• triple strand

What holds nitrogen bases together?

• strong hydrogen bond

• weak oxygen bond

• weak hydrogen bond

• strong oxygen bond

What unzips the strands of DNA?

• replicators

• enzymes

• phosphate chemicals