12 Questions
What is the definition of a nutrient?
A chemical that must be obtained from the environment to survive and provides raw material for growth and repair, as well as a source of energy.
What is the difference between catabolism and anabolism?
Catabolism is the breakdown of larger molecules into smaller subunits, while anabolism is the construction of larger molecules from smaller subunits.
What is the basal metabolic rate (BMR)?
The minimum energy required to keep an organism alive.
What is the purpose of hormones?
Hormones are chemical signals or messenger molecules circulated through the body to coordinate cellular functions.
What is the relationship between basal metabolic rate (BMR) and daily energy requirements?
Daily energy requirements depend on both BMR and physical activity level.
Which of the following is not a component of an organism's metabolism?
Hormone production
What is the primary function of the enzyme 'Analyse' mentioned in the text?
Break down complex carbohydrates
Which hormone stimulates the release of hydrochloric acid and pepsinogen in the stomach?
Gastrin
What is the main role of the mineral calcium in the body?
Support bone health
What is the function of lipids in the body based on the text?
Store and release energy
Which of the following is NOT a function of the human digestive system?
Respiration
What role does the sphincter muscle play in the digestive system?
Contract to close openings
Test your knowledge on key biological terms such as nutrient, metabolism, catabolism, and anabolism. Understand the roles and functions of these concepts in living organisms.
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