Biochemistry

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

A student is preparing to run in a school track competition. For the quickest source of energy, the student should eat a food that contains a high percentage of...

• carbohydrates
• fat
• proteins
• sodium

Tags

NGSS.HS-LS1-7

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

Sugars such as ribose, fructose and glucose are examples of ______________?

• proteins
• lipids
• nucleic acids
• carbohydrates

Which macromolecule stores long-term energy?

• Proteins
• Lipids
• Nucleic Acids
• Carbohydrates

Which macromolecule contains genetic information?

• Proteins
• Carbohydrates
• Nucleic Acids
• Lipids

Which macromolecule is used for short term energy?

• Proteins
• Carbohydrates
• Nucleic Acids
• Lipids

Which macromolecule includes structural molecules & enzymes?

• Proteins
• Carbohydrates
• Nucleic Acids
• Lipids