Nucleic Acids: Scientists and Structure

What are the components of a nucleotide?

• nitrogen base, phosphate group, and sugar
• sugar, purine, and pyrimidine
• nitrogen base and a phosphate group
• DNA, phosphate group, monosaccharide

DNA contains the sugar...

• Deoxyribose
• Glucose
• Ribose
• Lipids

RNA contains the sugar...

• Deoxyribose
• Glucose
• Ribose
• Lipids

The backbone of DNA is made up of _______ & ________ units. 

• sugar & base
• sugar & phosphate
• base & phosphate
• phosphate & phosphate

From the nucleotide on the right, which part is labeled 1?

• Sugar
• Phosphate
• Nitrogenous Base
• Hydrogen Bond

From the nucleotide on the right, which part is labeled 2?

• Sugar
• Phosphate
• Nitrogenous Base
• Hydrogen Bond

From the nucleotide on the right, which part is labeled 3?

• Sugar
• Phosphate
• Nitrogenous Base
• Hydrogen Bond

Bases are held together by what type of bond?

• Covalent
• Hydrogen
• Ionic
• Mettalic

Tags

NGSS.HS-LS1-1

If one side of the DNA reads: TTGACTAGG, then the complementary set of bases on the other side would read:

• TTGACTAGG
• AACTGATCC
• AATCGAACTT
• AAGTCATCC

If a cell has 20% adenine in it, what % of cytosine must it have?

• 10%
• 20%
• 30%
• 80%