Lipids and Fats Classification

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the characteristic feature of lipids?

  • Solubility in water
  • Low solubility in water
  • Insolubility in water (correct)
  • High solubility in water

At what temperature are fats considered solid?

  • -20°C
  • 20°C (correct)
  • 10°C
  • -10°C

Which of the following is a more concentrated source of energy than carbohydrates and proteins?

  • Proteins
  • Oils
  • Fats (correct)
  • Carbohydrates

Which category of lipids includes phospholipids, glycolipids, and lipoprotein?

<p>Compound lipids (A)</p> Signup and view all the answers

What are simple lipids made up of?

<p>Three fatty acids attached to glycerol (C)</p> Signup and view all the answers

What characterizes sterols?

<p>They have a benzene ring structure (B)</p> Signup and view all the answers

Which type of fatty acids have single bonds between carbon atoms and contain all the hydrogen atoms possible?

<p>Saturated fatty acids (A)</p> Signup and view all the answers

Which substance is made up of triglycerides?

<p>Fat found in food (C)</p> Signup and view all the answers

What is the main function of fat in the body?

<p>To keep body temperature in the normal range (C)</p> Signup and view all the answers

What happens if you take in more fat than needed?

<p>It will cause an excess calorie intake and potential weight gain (B)</p> Signup and view all the answers

How many calories are provided by each gram of fat?

<p>9 cal (B)</p> Signup and view all the answers

Which type of lipids have an extremely high percentage of saturated fatty acids and are solid at room temperature?

<p>Vegetable oils (D)</p> Signup and view all the answers

What is the recommended amount of fat intake for a 2000 Cal diet?

<p>55 (C)</p> Signup and view all the answers

Apart from cholesterol, which other substance is mentioned to be included in the fat-like substances?

<p>Fatty acids (A)</p> Signup and view all the answers

What can excess fat intake lead to?

<p>Increased risk of diabetes, heart disease, high blood pressure, and certain cancers (B)</p> Signup and view all the answers

What is the function of the acid group at one end of the carbon chain in fatty acids?

<p>It is able to bond with glycerol to form a triglyceride (A)</p> Signup and view all the answers

Which category of lipids includes cholesterol, carotenes, and steroids?

<p>Derived lipids (D)</p> Signup and view all the answers

What is the main difference between fats and oils?

<p>Fats contain more saturated fatty acids than oils (A)</p> Signup and view all the answers

What is the primary characteristic of compound lipids?

<p>At least one fatty acid is replaced by carbohydrate, protein, or phosphorus (B)</p> Signup and view all the answers

What is the structure of sterols?

<p>Have a benzene ring structure and are not made up of fatty acids and glycerol (B)</p> Signup and view all the answers

What characterizes derived lipids?

<p>They are chemicals produced when simple and compound lipids combine and undergo hydrolysis (B)</p> Signup and view all the answers

What distinguishes simple lipids from compound lipids?

<p>Simple lipids are made up of three fatty acids attached to glycerol, while compound lipids have at least one fatty acid replaced by carbohydrate, protein, or phosphorus (B)</p> Signup and view all the answers

What are fats composed of?

<p>Fatty acids and glycerol (B)</p> Signup and view all the answers

Which type of fatty acids have single bonds between carbon atoms and contain all the hydrogen atoms possible?

<p>Saturated fatty acids (A)</p> Signup and view all the answers

What is the main function of fat in the body?

<p>To absorb and transport vitamins in the body (D)</p> Signup and view all the answers

How many calories are provided by each gram of fat?

<p>9 calories (B)</p> Signup and view all the answers

Which substance is made up of triglycerides?

<p>Fat found in food (A)</p> Signup and view all the answers

At what percentage of total energy intake should fat ideally contribute?

<p>25-30% (B)</p> Signup and view all the answers

What happens if you keep on taking in more calories than you burn through physical activity?

<p>You will gain weight and increase your chance of being overweight (B)</p> Signup and view all the answers

What can excess fat intake lead to?

<p>Increased risk of diabetes, heart disease, high blood pressure, and some forms of cancer (B)</p> Signup and view all the answers

What distinguishes saturated fatty acids from unsaturated fatty acids?

<p>Presence of single bonds between carbon atoms in saturated fatty acids. (D)</p> Signup and view all the answers

Which type of lipids have an extremely high percentage of saturated fatty acids and are solid at room temperature?

<p>Butter (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Lipids and Fats Classification
16 questions
Classification of Lipids Quiz
16 questions
Lipid Classification
35 questions

Lipid Classification

RefreshedAntigorite8670 avatar
RefreshedAntigorite8670
Lipids: Classification, Fats, and Oils
35 questions
Use Quizgecko on...
Browser
Browser