Biology Chapter on Lipids and Carbohydrates

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Which of the following is NOT a function of lipids?

Absorption of vitamins

Cell membrane component

Energy storage

Transport of genetic information (correct)

Lipids are soluble in water.

False (B)

What are the two main types of nucleic acids?

Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA)

The ______ is responsible for transferring genetic information.

DNA Signup and view all the answers

Match the following biological molecules with their primary function:

Lipids = Energy storage, cell membrane formation, vitamin absorption Amino acids = Building blocks of proteins Nucleic acids = Storing and transmitting genetic information Carbohydrates = Primary energy source for cells Signup and view all the answers

What is the primary function of carbohydrates?

To provide energy (C) Signup and view all the answers

1 gram of carbohydrate yields 9 kilocalories of energy.

False (B) Signup and view all the answers

What type of carbohydrate is made up of one sugar molecule?

Monosaccharide (C) Signup and view all the answers

What molecule do carbohydrates break down into for cellular fuel?

glucose Signup and view all the answers

Carbohydrates are classified into _____, disaccharides, and polysaccharides.

monosaccharides Signup and view all the answers

Proteins provide 9 kilocalories of energy per gram.

False (B) Signup and view all the answers

Match the following types of carbohydrates with their examples:

Monosaccharides = Glucose Disaccharides = Sucrose Polysaccharides = Starch Oligosaccharides = Raffinose Signup and view all the answers

What are enzymes and their primary function in the body?

Enzymes are proteins that speed up chemical reactions in the body. Signup and view all the answers

Carbohydrates are converted into ______ to provide energy for cells.

glucose Signup and view all the answers

Match the following types of carbohydrates with their classifications:

Glucose = Monosaccharide Lactose = Disaccharide Starch = Polysaccharide Glycogen = Polysaccharide Signup and view all the answers

What type of nucleic acid is double-stranded?

DNA (C) Signup and view all the answers

RNA is responsible for storing genetic information in living organisms.

False (B) Signup and view all the answers

What are the basic building blocks of nucleic acids?

Nucleotides Signup and view all the answers

Eating a balanced diet with foods rich in fat-soluble vitamins such as A, D, K, and E is important for good _______.

health Signup and view all the answers

Match the following fat-soluble vitamins with their corresponding food sources:

Vitamin A = Broccoli Vitamin D = Milk Vitamin K = Cabbage Salad Vitamin E = Avocados Signup and view all the answers

Which of the following food groups is recommended for adults to consume at least 3 servings per day?

Vegetables (A) Signup and view all the answers

Young adults (aged 12 to 17) are recommended to consume the same amount of milk and alternatives as adults.

False (B) Signup and view all the answers

What is the condition called when the body is deprived of essential vitamins, minerals, and nutrients?

Malnutrition Signup and view all the answers

A severe undernutrition disease called ______ occurs when the body lacks sufficient carbohydrates, proteins, and fats.

Marasmus Signup and view all the answers

Match the recommended intake of food groups for adults with the corresponding food group:

Grains = 3 - 8 bowls Vegetables = At least 3 servings Fruits = At least 2 servings Meat, Fish, Eggs, and Alternatives = 200 - 300 grams Milk and Alternatives = 2 servings Fat/oil, Salt, and Sugar = Eat the least possible Fluid = 6 - 8 glasses Signup and view all the answers

Which of the following foods is NOT a major source of carbohydrates?

Meat (A) Signup and view all the answers

Lipids are the body's primary energy source.

False (B) Signup and view all the answers

What role does fiber play in carbohydrate function?

It helps with feelings of fullness and aids digestion/elimination. Signup and view all the answers

The major sources of lipids include meat, eggs, milk, and _____ for unsaturated fats.

sunflower seeds Signup and view all the answers

Match the nutrient with its primary function:

Carbohydrates = Primary energy source Lipids = Energy reserve and insulation Fiber = Aids digestion Proteins = Building and repairing tissues Signup and view all the answers

Foods high in calorie density are associated with a lower risk of weight gain and obesity.

False (B) Signup and view all the answers

Which of the following is a primary energy source for the human body?

Carbohydrates (A) Signup and view all the answers

________ are organic compounds that include fatty acids and their derivatives, and are typically insoluble in water.

Lipids Signup and view all the answers

What is the main difference between low-calorie-density foods and high-calorie-density foods in terms of their composition?

Low-calorie-density foods typically have less fat and more water and fiber, while high-calorie-density foods are rich in fat and have less water and fiber. Signup and view all the answers

Match the following biomolecules with their primary function:

Carbohydrates = Provide energy Lipids = Store energy, provide insulation, and form cell membranes Proteins = Carry out diverse functions, including structural support, transport, and catalysis Nucleic acids = Store and transmit genetic information Signup and view all the answers

Which type of food is generally considered healthier for weight management?

Low-calorie-density foods (B) Signup and view all the answers

A balanced diet ensures that all of the body's nutritional needs are met.

True (A) Signup and view all the answers

What are two potential dangers of consuming a diet high in high-calorie-density foods?

Two potential dangers are increased risk of weight gain and obesity, and a higher risk of developing chronic diseases like heart disease. Signup and view all the answers

Biology Chapter on Lipids and Carbohydrates

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Questions and Answers

Which of the following is NOT a function of lipids?

Lipids are soluble in water.

What are the two main types of nucleic acids?

The ______ is responsible for transferring genetic information.

Match the following biological molecules with their primary function:

What is the primary function of carbohydrates?

1 gram of carbohydrate yields 9 kilocalories of energy.

What type of carbohydrate is made up of one sugar molecule?

What molecule do carbohydrates break down into for cellular fuel?

Carbohydrates are classified into _____, disaccharides, and polysaccharides.

Proteins provide 9 kilocalories of energy per gram.

Match the following types of carbohydrates with their examples:

What are enzymes and their primary function in the body?

Carbohydrates are converted into ______ to provide energy for cells.

Match the following types of carbohydrates with their classifications:

What type of nucleic acid is double-stranded?

RNA is responsible for storing genetic information in living organisms.

What are the basic building blocks of nucleic acids?

Eating a balanced diet with foods rich in fat-soluble vitamins such as A, D, K, and E is important for good _______.

Match the following fat-soluble vitamins with their corresponding food sources:

Which of the following food groups is recommended for adults to consume at least 3 servings per day?

Young adults (aged 12 to 17) are recommended to consume the same amount of milk and alternatives as adults.

What is the condition called when the body is deprived of essential vitamins, minerals, and nutrients?

A severe undernutrition disease called ______ occurs when the body lacks sufficient carbohydrates, proteins, and fats.

Match the recommended intake of food groups for adults with the corresponding food group:

Which of the following foods is NOT a major source of carbohydrates?

Lipids are the body's primary energy source.

What role does fiber play in carbohydrate function?

The major sources of lipids include meat, eggs, milk, and _____ for unsaturated fats.

Match the nutrient with its primary function:

Foods high in calorie density are associated with a lower risk of weight gain and obesity.

Which of the following is a primary energy source for the human body?

________ are organic compounds that include fatty acids and their derivatives, and are typically insoluble in water.

What is the main difference between low-calorie-density foods and high-calorie-density foods in terms of their composition?

Match the following biomolecules with their primary function:

Which type of food is generally considered healthier for weight management?

A balanced diet ensures that all of the body's nutritional needs are met.

What are two potential dangers of consuming a diet high in high-calorie-density foods?

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