What are the two main types of nucleic acids and their primary functions?

Deoxyribonucleic acid (DNA) stores genetic information, while ribonucleic acid (RNA) helps translate that information into proteins.

Fill in the blank: Water serves as a ___ for many substances in living organisms.

Solvent

True or False: Excess application of inorganic fertilizers can enhance soil structure.

False. Excess application can damage soil structure.

What role do macro-elements play in human nutrition?

Macro-elements are required in large quantities for various physiological functions, such as sodium for fluid balance and calcium for bone health.

Riddle: I am a compound made of carbon, hydrogen, and oxygen, and I store energy for plants. What am I?

Carbohydrate

Fill in the blank: The primary structure of a protein is determined by the ___ of amino acids.

Linear sequence

What is the function of enzymes in metabolic reactions?

Enzymes act as biological catalysts that accelerate reactions by lowering the activation energy required.

Multiple Choice: Which of the following is NOT a macro-element important for plants? A) Nitrogen B) Calcium C) Boron D) Phosphorus

C) Boron

True or False: Cholesterol is considered a 'bad' lipid because it contributes to the formation of plaques in arteries.

True

Riddle: I help in digestion, and I can be high or low density. What am I?

Lipid (specifically referring to HDL and LDL cholesterol)