Lecture 2

Which of the following is NOT a function of proteins?

• Energy storage

• Catalyzing chemical reactions

• Transporting molecules

• Structural support

What type of bond links nucleotides together in a polynucleotide chain?

• Hydrogen bond

• peptide bond

• Phosphodiester bond

• Ionic bond

In RNA, which nitrogenous base pairs with adenine (A)?

• Thymine (T)

• Guanine (G)

• Cytosine (C)

• Uracil (U)

What is the term for a protein losing its structure and function?

_________ is a nitrogenous base with a single ring

Which level of protein structure is defined by the sequence of amino acids?

• Primary

• Secondary

• Tertiary

• Quaternary