S3 Extra Science UT 1 DNA Central Dogma

A nucleotide is made up of three parts:  which of these is not one of those parts?

• sugar
• phosphate
• amino acids
• base

A strand of DNA that looks like a twisted ladder is called a _____________________

• triple twist
• corkscrew
• double helix
• chain reaction

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Which 2 molecules forms the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

He was the first to discover DNA in the 1860s.

• Johann Miescher

• Francis Crick

• James Watson

• Maurice Wilkins

Which enzyme transcribes DNA to RNA?

• RNA Polymerase

• DNA Polymerase

• RNA Primase

• DNA Primase