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BIO 101 Study Guide Part 1: Lipids

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by: Vivian Luong

BIO 101 Study Guide Part 1: Lipids BIO 101

Marketplace > California State University - Fullerton > BIO 101 > BIO 101 Study Guide Part 1 Lipids
Vivian Luong
Cal State Fullerton

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First study guide/class notes that will cover what will be on the first exam.
Elements of Biology
Cindy Duong
Study Guide
50 ?




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1 review
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"Clutch. So clutch. Thank you sooo much Vivian!!! Thanks so much for your help! Needed it bad lol"
Heber West II

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This 2 page Study Guide was uploaded by Vivian Luong on Tuesday February 2, 2016. The Study Guide belongs to BIO 101 at California State University - Fullerton taught by Cindy Duong in Spring 2016. Since its upload, it has received 394 views.

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Clutch. So clutch. Thank you sooo much Vivian!!! Thanks so much for your help! Needed it bad lol

-Heber West II


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Date Created: 02/02/16
STUDY GUIDE PART 1: LIPIDS Lipids: category of biological molecules that include fats, oils, and waxes 1. Examples of lipids and their general functions  Triglycerides (fats) o Insulation (keeps warm) o Energy source o Long­term energy storage o Protection  Steroids (sterols) o Regulate body functions o Can control reproduction maturity o Manage stress  Phospholipids o Make cell membranes 2. a) Explain what contributes to the stability of fat molecules, which makes burning fat more  difficult than burning other macromolecules like carbohydrates or protein.   Carbon hydrogen bonds are so stable that it needs to be broke down     b) Compare the amount of calories of energy that is supplied by eating 1 gram of fats,  carbohydrates and protein. Next, compare the rate of breakdown of these molecules by the body.  Fat gives more energy from calories  Carbs is easiest to break down, then protein, and fat(hardest to break down) 3. Compare different types of dietary fats  Saturated Fat (Bad) o Foods: diary products, egg, meat o How affects health: clogs blood vessels from flowing which causes heart diseases  Unsaturated Fat (Good) o Foods: fish products, flaxseed, veggies oils, nuts o Affects health: improves brain development and good for heart  Trans­Fat (The worst) o Foods: fried foods, baked goods, processed, foods, margarine o Affects health: increase levels of triglycerides in blood and increases cholesterol  levels 4. a) Why was trans­fat created by the food industry in the first place?  Food products can be kept longer  Improve texture and taste of foods     b) Define the process of “hydrogenation” and explain how it creates trans­fat  Trans­fat = partially hydrogenated oil  Adding hydrogens to make trans­fat 5. a)   Estrogen in females: fat cells migrate up to breasts and down to hips/thighs  Testosterone in males: fat cells migrate to waist line for men  Cortisol in both females and males: fat cells migrate to waist line; release during long­ term stress, weakens immune system; make sure body breaks down fat for energy     b) Explain what happens to adipocytes as an individual gains or loses weight, respectively.  Fat cells grow larger, not more  Cell loses fat when one loses weight 6. Examine and describe the general structure of a steroid molecule  Steroid molecules have 4 rings linked 7. Examples of hormones and their functions  Estrogen/Testosterone o Both helps with reproductive organs o Both helps with bone protection  Anabolic Steroids o Increases muscle mass and bone density 8. What happens to the levels of sex hormones in males and females as they age? How does this  affect their bone density?  Males o Testosterone stimulates more bone reproduction o Men has larger body = more density  Females o Menopause occurs which is caused by ovaries to stop secreting estrogen o Decrease bone density 9. Discuss their general structure and function  Function: to make cell membrane  Has 2 tails only 10. Describe the function of the coronary arteries  Coronary arteries takes blood to heart 11. What is coronary artery disease (CAD)?   Heart disease caused by a blocked artery 12. What is atherosclerosis?  Blockage that has plaque build up  Heart disease can be in risk by big amount of blockage 13. What are the components of plaque?  Cholesterol deposits: type of steroid that forms fat  Fat deposits: triglycerides  Angiogenesis: production of new blood vessels 14. Identify the symptoms of a heart attack in men and women. Are they identical?   Men have immediate onset of symptoms  Women’s symptoms are present for a couple of days; pain in jaw


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