IHS Flashcards Unit 5 - Macronutrients & Micronutrients

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Flashcards on IHS Flashcards Unit 5 - Macronutrients & Micronutrients , created by Sarah Ray on 07/08/2017.
Sarah  Ray
Flashcards by Sarah Ray , updated more than 1 year ago
Sarah  Ray
Created by Sarah Ray over 6 years ago
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Question Answer
What is an essential nutrient? Can’t be made in body
What is a non-essential nutrient? Can be made in body
What are the classes of macronutrients (a.k.a. macromolecules) and their component building blocks? 1 - Carbohydrates/polysaccharides (building block - saccharides) 2- Proteins (bb - amino acids) 3- Fats/lipids (bb - fatty acids)
What are the classes of micronutrients? Vitamins, minerals and phytonutrients
What does the “macro” in macronutrients mean in Greek? How does its meaning apply to macronutrients? Makro = Large Macronutrients are required in large quantities (vs. micronutrients - required in small)
What is the primary function of macronutrients? Provide bulk energy to the body
The body requires macronutrients for…? 1 - The provision of calories/energy 2- Growth 3 - Metabolism 4 - Many other body functions
The energy provided by macronutrients is stored and used in the body in the form of…? ATP
ATP = ? Adenosine tri-phosphate (the body's storage & use form of energy)
What 3 structural similarities do all macronutrients share? 1 - Carbon (backbone) 2 - Hydrogen 3 - Oxygen
Why are the similarities in structure between macronutrients important? Because they are similar in structure, macronutrients can share same metabolic pathways Hence, more efficiently broken down for energy or built up into usable units
Why are the structural differences between macronutrients important? Structural differences between macronutrients give them specialized functions in the body
What is a nutrient? A chemical which an organism needs to live and grow A substance used in an organism’s metabolism which must be taken in from its environment
What makes a compound ‘organic’? O compound is considered 'organic' when It contains carbon
Carbs are ___________ for life. Essential (in varying amounts)
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