Macromolecules Quiz

During a biology class, Ava asked her teacher about the basic building blocks of nucleic acids. What did the teacher say?

• Nucleotides

• Amino acids

• Monosaccharides

• Fatty acids

Answer explanation

The basic building blocks of nucleic acids are nucleotides, which consist of a sugar, a phosphate group, and a nitrogenous base. Amino acids, monosaccharides, and fatty acids are building blocks of proteins, carbohydrates, and lipids, respectively.

During a biology class, Grace asked the teacher, "What is the primary function of carbohydrates in our diet?"

• Provide energy

• Store genetic information

• Build cell membranes

• Catalyze reactions

Answer explanation

The primary function of carbohydrates is to provide energy. They are the body's main source of fuel, supplying the necessary energy for various biological processes.

Emma is studying biology and wants to understand the primary function of proteins in the human body. What should she focus on?

• Catalyze reactions

• Store energy

• Transmit genetic information

• Provide energy

Answer explanation

Proteins primarily function as enzymes that catalyze biochemical reactions, facilitating processes essential for life. While they can also play roles in energy storage and genetic information transmission, their main role is in catalysis.

In a biology class, Zoe is learning about the different functions of biomolecules. What is the primary function of nucleic acids?

• Store and transmit genetic information

• Provide energy

• Build cell membranes

• Catalyze reactions

Answer explanation

The primary function of nucleic acids, such as DNA and RNA, is to store and transmit genetic information, which is essential for heredity and the functioning of living organisms.

Mia is conducting an experiment in her biology class to understand which macromolecule is primarily responsible for catalyzing biochemical reactions. What should she focus on?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

Answer explanation

Proteins are the primary macromolecules that act as enzymes, catalyzing biochemical reactions. They facilitate and speed up these reactions, making them essential for various biological processes.

During a biology class, Maya was asked which macromolecule is primarily responsible for providing energy to cells. What should she answer?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Answer explanation

Carbohydrates are the primary source of energy for cells, as they are easily broken down into glucose, which fuels cellular processes. While lipids and proteins can also provide energy, carbohydrates are the most efficient and preferred source.

Emma is studying biology and wants to know which macromolecule is primarily responsible for building cell membranes. Can you help her?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

Answer explanation

Lipids are the primary macromolecules that form cell membranes, specifically phospholipids, which create a bilayer structure essential for membrane integrity and function.

During a biology class, Charlotte asked which macromolecule is made up of nucleotides?

• Nucleic acids

• Proteins

• Lipids

• Carbohydrates

Answer explanation

Nucleic acids, such as DNA and RNA, are macromolecules composed of nucleotides. Each nucleotide consists of a sugar, a phosphate group, and a nitrogenous base, making nucleic acids the correct answer.

Kai is preparing for a biology exam and is reviewing different types of macromolecules. He comes across starch and wonders, 'Starch is classified as which type of macromolecule?'

• Carbohydrate

• Protein

• Lipid

• Nucleic acid

Answer explanation

Starch is a polysaccharide, which is a type of carbohydrate. Carbohydrates are macromolecules made up of sugar units, and starch serves as an energy storage form in plants.

During a biology class, Abigail learned about different types of macromolecules. Her teacher asked, "Cholesterol is classified as which type of macromolecule?"

• Carbohydrate

• Protein

• Lipid

• Nucleic acid

Answer explanation

Cholesterol is classified as a lipid because it is a type of fat molecule that is insoluble in water. Unlike carbohydrates, proteins, and nucleic acids, lipids are characterized by their hydrophobic nature.