DNA structure

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

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

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

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.MS-LS3-1

NGSS.MS-PS1-1

Cytosine always pairs with

• Adenine
• Thymine
• Uracil
• Guanine

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which of the following is not a component of DNA?

• 5 Carbon Sugar
• Phosphate Group
• Carbon Base
• Nitrogen Base

Which of the following is not a nitrogen base found in DNA?

• Thymine
• Uracil 
• Guanine
• Adenine

What does DNA stand for?

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