Honors Biochem Quiz

The function of a protein first emerges at which level of protein structure?

• Primary

• Secondary

• Tertiary

• Quartenary

What type of chemical bond is formed when the electrons are shared?

• ionic bond
• covalent bond
• hydrogen bond
• None of these answer choices

Which part of the atom has a positive charge?

• electron
• neutron
• proton
• particles

What is cohesion?

• The ability of a molecule to "stick" to itself

• The ability of a molecule to "stick" to other molecules

• Large amounts of energy are required to change the temperature of a substance

• A well-organized and efficient team

What do the green bonds represent?

• Covalent Bond

• Hydrogen Bond

• Ionic Bond

• van der Walls interactions

Protein molecules are composed of long chains of __________________

• DNA
• amino acids
• RNA
• ribosomes

Which of the following are nucleic acids?

• Saturated and unsaturated fats
• DNA and RNA
• collagen and keratin
• glucose and starch

Nucleic acids, proteins, and other large biological molecules are known as polymers because...

• they are the base units used in the formation of plastics
• they all function as enzymes
• they contain only ionic bonds
• they contain many small, repeating subunits bonded together

What is one way that fatty acids (lipids) are used in the body?

• for storing energy
• for encoding genetic information
• as the building blocks of antibodies
• as the building blocks of hemoglobin

Which element is found at the positions marked by the dots in the molecule?

• Carbon
• Nitrogen
• Phosphorus
• Sulfur