Understanding DNA: The Blueprint of Life

What is the full form of DNA?

• Dioxyribonucleic Acid

• Deoxyribose Nucleic Acid

• Dioxyribose Nucleic Acid

• Deoxyribonucleic Acid

Which type of DNA is most commonly found in humans?

• B-DNA

• Z-DNA

• C-DNA

• A-DNA

Who first recognized and identified DNA?

• Johannes Friedrich Miescher

• James Watson

• Erwin Chargaff

• Francis Crick

What is the primary function of DNA?

• To digest food

• To transport oxygen

• To provide energy

• To store genetic information

Tags

NGSS.HS-LS3-1

What are the four nitrogenous bases in DNA?

• Adenine, Thymine, Cytosine, Uracil

• Adenine, Thymine, Guanine, Uracil

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Guanine, Cytosine

What is the structure of DNA often compared to?

• A straight line

• A zig-zag pattern

• A spiral staircase

• A twisted ladder

What is Chargaff’s Rule?

• A = C and T = G

• A = T and C = G

• A = T and G = C

• A = G and C = T

What is the role of DNA polymerase during DNA replication?

• To separate DNA strands

• To add nucleotides to the new strand

• To seal Okazaki fragments

• To unwind the DNA helix

What is the distance between two consecutive base pairs in DNA?

• 0.34 nm

• 0.034 nm

• 3.4 nm

• 34 nm

What is Z-DNA known for?

• Being a right-handed helix

• Being a left-handed helix

• Being the most common DNA form

• Being found in mitochondria