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Chapter

GGR107H1 Chapter Notes -Phospholipid


Department
Geography
Course Code
GGR107H1
Professor
Charles Z Levkoe

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12-06-16 3:03 PM
8.4 What are the Primary roles of individual nutrients?
Individual nutrients have a unique role towards our body
Macronutrients: large nutrients that support our body
Micronutrients: they are required in smaller amounts and also
support our body
8.4.1 carbohydrates are the primary source of energy
Carbohydrates are the main source of energy
It can be found in simple sugars such as glucose
8.4.2 Lipids also provide energy
lipid is diverse and also includes fats, oil, phospholipids and sterols
Lipids are important to store excess energy
8.4.3 Proteins Provide the Building Blocks for Tissue Synthesis
Protein can be used for energy but is usually not the primary
source
Contains sulphur
Contribute to basic building blocks known as amino acids
Tissues in muscles and are used to produce enzymes
8.4.4 Vitamins and Minerals Play Vital Roles in Metabolism
Vitamins and minerals do not provide energy but play a role in many
key functions
The regulate metabolism
Many vitamins can function as coenzyme, help enzymes catalyze
reactions within the body
There are 13 known vitamins and are grouped based on solubility
There are water-soluble vitamins, vitamin C and 8 vitamin B
complexes
Fat-Soluble vitamins, A,D, E and K
Major minerals: need at least 100 milligrams per day
Trace minerals: need less than 100 milligrams per day
8.5.5 Water is critical for numerous functions
Water play an essential role in blood and digestion
Water is required for every cell in the body
8.3 What is credible nutrition research?
It is hard to keep up with the latest diet trend and what it does to
nutrition
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