Which of the following polysaccharides is primarily used for energy storage in animal cells?

A sugar molecule has a carbonyl group at the end of its carbon chain. How would you classify this monosaccharide?

What type of bond links nucleotides together in a nucleic acid strand?

Which part of an amino acid determines its unique properties and function in proteins?

Which class of lipids is primarily responsible for forming cellular membranes?

Which of the following bases is a pyrimidine?

You are designing a protein that needs to withstand high temperatures. Which amino acid would you include to enhance stability through disulfide bonds?