Which of the following elements is a key component of all organic molecules?

Which type of bond is formed between the oxygen and hydrogen atoms in a water molecule?

Which of the following is a simple sugar, also known as a monosaccharide?

Which carbohydrate serves as the primary energy storage molecule in animals?

Which carbohydrate is a major component of plant cell walls and provides structural support?

What is the primary function of carbohydrates in the diet?

Which of the following is NOT a function of proteins in the body?

Which level of protein structure involves the folding of the polypeptide chain into alpha helices and beta sheets?

What is the name of the bond that links the carboxyl group of one amino acid to the amino group of another?

What kind of proteins are primarily involved in immune responses by recognizing and binding to specific antigens?

What is the significance of the “active site” of an enzyme?

Which lipid type is a major component of cell membranes and contains both hydrophobic and hydrophilic regions?

Which type of lipid is commonly found in plant cuticles and serves as a protective barrier?

Which lipid has a structure characterized by a ring of carbon atoms?

What is the main difference between unsaturated and saturated fatty acids?

What is the primary function of triglycerides in the body?

Which nucleic acid is responsible for storing and transmitting genetic information?

What are the building blocks of nucleic acids?

Which of the following is NOT a component of a nucleotide?

In DNA, which bases are complementary to each other?

In RNA, which base pairs with Adenine?