All proteins have a primary structure. Fibrous and globular proteins have a secondary structure: α helix or β pleated. Globular
proteins also have a tertiary structure due to interactions of amino acid side chains with water. Most globular proteins, including hemoglobin also have a quaternary structure. Which of these structures is due to H bonding between amino acid chains? A) A
B) B
C) C
D) D
A geologist is interested in finding the evidence related to the study of seismic waves that move throughout the earth's interior and find out the mineral composition of different types of rocks on the surface of the earth along with the collection of different types of rock samples. A geologist is studies the structure and composition of various elements in the earth system.
