Energy IN Organisms Vocab

What is the process by which cells produce energy from nutrients, involving the breakdown of glucose and other nutrients to generate ATP?

• Metabolism

• Cellular respiration

• Photosynthesis

• Digestion

Which nutrient is broken down into glucose, the main source of energy for the body's cells, tissues, and organs?

• Protein

• Carbohydrate

• Fat

• Vitamin

What are proteins that speed up chemical reactions in the body?

• Hormones

• Enzymes

• Antibodies

• Neurotransmitters

What are substances in food that the body needs to function and grow?

• Toxins

• Preservatives

• Additives

• Nutrients

What is the energy currency of the cell, essential for various cellular functions?

• ATP

• Glucose

• Lipid

• Protein

What is the process of breaking down food into smaller, absorbable nutrients, involving both mechanical and chemical processes?

• Circulation

• Absorbance

• Excretion

• Digestion

What is the ability to do work or produce heat?

• Energy

• Force

• Light

• Motion

What is the balance between energy intake (calories consumed) and energy expenditure (calories burned) in the body?

• Energy equilibrium

• Energy balance

• Energy deficit

• Energy surplus

What are essential molecules made up of amino acids, with various functions in the body such as repairing tissues and catalyzing biochemical reactions?

• Vitamins

• Fats

• Proteins

• Carbohydrates

What is the unit of energy used to measure the energy content of foods and beverages?

• Calorie

• Volt

• Watt

• Joule