Cell Structure and Function

Why do lipids store more energy than carbohydrates?

• Because they are water-soluble
• Due to high oxygen content
• Because they are proteins
• Due to high number of C-H bonds and low oxygen content

What makes DNA different from RNA in terms of sugar composition?

• DNA has an extra oxygen atom
• RNA has no oxygen in sugar
• DNA has one less oxygen atom in its sugar
• Both have same sugar

In which virus does RNA act as the genetic material?

• Influenza virus
• HIV
• Tobacco Mosaic Virus (TMV)
• Bacteriophage

What is the main genetic material in most organisms?

• RNA
• ATP
• Protein
• DNA

Which of the following is a component of a nucleotide?

• Amino acid
• Fatty acid
• Phosphate group
• Glycerol