EBK BIOLOGY
5th Edition
ISBN: 9780133996807
Author: Maier
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 3, Problem 3LTB
Summary Introduction
Introduction:
Nutrients can be defined as a substance which gives nourishment that is important for the maintenance of life and for growth and development. There are two major types of nutrients: micronutrients and macronutrients.
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Provide a brief description of the three macronutrients: carbohydrate, protein, and fat. Explain the role of each macronutrient and provide the recommended dietary allowances for each
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- Which of the following statements regarding dietary nutrients is FALSE? Macronutrients provide cells with energy whereas micronutrients provide protein cofactors. Water soluble vitamins can be stored long-term. Enriched foods contain synthetic vitamins to replace natural vitamins lost during processing. Fortified foods contain vitamins and minerals not originally found in the foods. The majority of B vitamins must be converted to their active form in the body.arrow_forwarddentify the micronutrient. zinc oxygen carbon hydrogenarrow_forwardA well-balanced diet is important in maintaining a healthy body of the individual, families and community. Question 1(a): Express specifically the essential nutrients that constitute a well-balanced diet for better quality of life.arrow_forward
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- One of your friends, Jenny recently started a high fat, low carbohydrate diet. Her daily carbohydrate intake was 25 grams, protein intake was 40 grams, and fat intake was 150 grams. Her weight is 130 lbs. How does this compare with her RDA and AMDR for macronutrients? RDA CHO ___g Does she meet her recommendation? (1. Yes or 2. No) RDA Protein ___g Does she meet her recommendation? (1. Yes or 2. No) AMDA CHO __g - __g Does she meet her recommendation? (1. Yes or 2. No) AMDA Fat __g - __g Does she meet her recommendation?(1. Yes or 2. No)arrow_forwardWhy can fat soulable vitamins build up to a toxic level in body ?arrow_forwardWhat are transport systems that facilitates the absorption of these vitamins? Vitamin Transport System Vitamin Transport System Thiamin Ascorbic Acid Riboflavin Pantothenic Acid Niacin Retinol Pyridoxine Tocopherol Biotin Calciferol Cobalamin Phylloquinonearrow_forward
- Definitions: energy, metabolism, macronutrient, autotroph, heterotroph, byproduct, producer, consumer Ch 4. 1) a) What is a “balanced diet” and why is it important? b) Can a person be malnourished and not be “starving”? Explain your answer. 2) a) What is the difference between saturated and unsaturated fats? b) How do they differ in structure? c) Which is healthier and why? d? What are trans fats? 3) What is the role of a) carbohydrates and b) fats in our bodies? 4) a) What are the different roles proteins play in our cells/ bodies? b) What are essential amino acids? c) What is a complete vs. incomplete protein? 5) How do animals and plants differ in terms of their main structural components? 6) What primary characteristic determines the function of biological molecules? 7) a) How do enzymes catalyze (increase the rate of) reactions? b) What does it mean that enzymes are “substrate specific”? c) How are they usually named? 8) Describe the two types of enzyme…arrow_forwardEnergy Drinks and Soda 1) Pick an energy drink or soda. Examples: red bull, 5 hour energy, monster, rock star, Coke, Pepsi, etc.. 2) Review the ingredients- list which are familiar from class (ex: thiamin, a B vitamin), and which ones we have not covered as nutrients (ex: guarana, taurine). All ingredients should be categorized. And then answer these questions Why are nutrients we have covered, such as B-vitamins, included in these beverages? Do you think ingredients in these drinks are regulated? How much caffeine is in the drink compared to 1 cup (8oz) of coffee? Does your drink have weight loss claims? What claims are on the package? Are you comfortable consuming energy drinks and soda? Do unfamiliar ingredients concern you?arrow_forwardWhat distinguishes carbs from lipids as an energy source?arrow_forward
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