DNA Quiz

How many hydrogen bonds there are when A(adenine) is paired with T(thymine)?

• 1

• 2

• 3

DNA generally exists in cells as two interwound strands

• True

• False

Which type of DNA we can easily find in some viruses

• Double-stranded DNA (dsDNA)

• Single-stranded DNA (ssDNA)

Is it possible to have a connection between G and U ?

• Yes

• No

Which DNA structure is unlikely to be found in cells?

• B-DNA

• A-DNA

• Z-DNA

Which structure of DNA is thought to have connections to Alzheimer's disease?

• A-DNA

• B-DNA

• Z-DNA

What type of DNA structure there is?

• D,H and G

• T,M and L

• A, B and Z

• U, R and V

What method is commonly used to denature DNA?

• Freezing

• Heating

• Cutting

What process happens when heated solutions of denatured DNA are slowly cooled?

• Hybridization

• Renaturion

• Hyperchromicity

Why does the young cow's DNA renaturate at different rates compared to the E. coli DNA in a Cot curve?

• DNA of calf has fewer nucleotides

• DNA of E.coli contains a special enzyme

• DNA of calf has more repeated sequences