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BISC Notes Week of Dec. 7th

by: SophieSol

BISC Notes Week of Dec. 7th BISC 1005

GPA 3.92
The Biology of Nutrition and Health
Scully, T

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About this Document

Here are my notes from the week of December 7th
The Biology of Nutrition and Health
Scully, T
Class Notes
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Popular in The Biology of Nutrition and Health

Popular in Biological Sciences

This 0 page Class Notes was uploaded by SophieSol on Thursday December 10, 2015. The Class Notes belongs to BISC 1005 at George Washington University taught by Scully, T in Fall 2015. Since its upload, it has received 44 views. For similar materials see The Biology of Nutrition and Health in Biological Sciences at George Washington University.


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Date Created: 12/10/15
0 Targeted Destruction 0 Foods that in uence cancer risk Limit alcohol consumption Increase vegetables and fruits Calcium Low folate levels Processed meats Really high levels of salt High doses of soy Drinking water and other risk may reduce risk of bladder cancer Burnt foods Causes formation of free radicals and carcinogens o No link right now 0 Aspartame Caffeine Fat Fluorides Food additives GEO Radiation OOOOOOOOO OOOOOO REVIEW 0 Your body isn t yours 0 Ecosystem all of the biotic and abiotic factors in a given area Microbiome organisms that live in and on you Food organisms you consume 0 How do you interact with these organisms Commensalism bene t them but don t harm you Mutualism bene t you and them 0 You get vitamins and such Exploitation bene t you and harm them Competition harm both 0 We all came from the same place All these common characteristics mean we have the same needs 0 Water Sunlight o Nutrients 0 Food 0 Minerals 0 Vitamins Types of organisms o Prokaryotes Simplistic in structure but mighty in their ability 0 Every type of nutritional strategy LOVE THEM mutualism and commensalism HATE THEM exploitation o Eukaryotes Most of your food are plants fungi Plants 0 Parts you eat 0 Vegetation any portion of the plant Colorful contributes vitamins 0 Fruit speci cally enlargements of the ovary of a ower Don t need to know difference between aggregate fruit etc If it contains seeds or potential for new life fruit Photosynthesis 0 Creating organic molecules from an inorganic source 0 Pigments convert light energy into electrical energy into chemical 0 Nutrition label 0 Fats Unsaturated Dynamic bent found in vegetables sh some invertebrates Good increase HDL and decrease LDL Saturated 0 Straight straws lazy mainly found in terrestrial vertebrate animals and some tropical fruit 0 Not good increase both types of blood cholesterol Trans Consume in form of hydrogenated oils processed foods Terrible increase LDL and decrease HDL Important 0 Cells 0 Formation of cell membrane phospholipids 0 Formation of longterm storage molecule 0 Body 0 Cushioning o Warmth 0 Brown adipose tissue generate heat to maintain body 0 White adipose tissue fats are stored for alter use 0 Common confusion o 0 trans fat 0 trans fat NO as long as it is less than 05g can be listed as 0 look in ingredients list 0 Limit consumption to less than 30 of daily calories 0 Cholesterol Molecule not blood cholesterol Get it from eggs meat shrimp cheese dairy Important part of cell membrane 0 Building block for steroid hormones Common confusion Cholesterol on the food label is the molecule 0 Cholesterol you get measured with doctor is HDL and LDL 0 Sodium ln added table salt in processedfood Cell function used to maintain cell homeostasis and signaling Common confusion Sodium is necessary but the added amount in our diet causes pressure on our cells to deal with the high concentrations in our bloodstream 0 Ca rbohyd rates Monosaccharides glucose fructose high fructose corn syrup Disaccharides table sugar Polysaccharides Energy storage glycogen and starch Structural ber chitin invertebrates and cellulose plant based foods Where 0 M fruits veggies processed foods 0 D fruits veggies processed foods 0 P 0 ES animal meat and veggies o S invertebrates and plantbased foods Important Monosaccharides provide constant energy and make cells sticky Polysaccharides ber 0 Clean digestive tract 0 Reduce paceamt of absorption of other nutrients 0 Make you feel satiated longer Confusion All foods with carbohydrates are NOT the same sugar not true 0 Any food should be evaluated as a whole since that is what you are consuming o What are the other nutriends Carb loading real thing 0 Your stores of glucose in the form of glycogen can be maximized before a longterm or intense activity 0 Starch is not labeled 0 You must subtract sugars ber from total carbs starch Fiber needs to be subtracted from total carbs to determine caloric effect of a food 0 Proteins Where meats nuts beans grains 0 Foods which are heated microwaved treated with salt result in the denaturation of proteins to prepare them for digestion Important 0 Amino acids 20 8 of which are essential Proteins allow our cells and body to do everything Common confusion Only meat gives you essential amino acids 0 You need to consume amino acid supplements to get enough to build muscle if you workout 0 Protein demands by men are typically higher than women due to more muscle content of men 0 Vitamins o minerals


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