Chapter 2 Molecules Of Life - Water, Minerals And Carbohydrates

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1. Where are fats stored in mammals' body?

Explanation

Fats are stored in adipose tissues in mammals' bodies. Adipose tissues are specialized connective tissues that store excess energy in the form of fat. These tissues are found throughout the body, particularly in areas such as the abdomen, thighs, and buttocks. When the body requires energy, it can break down the stored fats in adipose tissues to provide fuel. This storage mechanism helps mammals regulate their energy balance and maintain insulation and protection for vital organs.

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About This Quiz
Chapter 2 Molecules Of Life - Water, Minerals And Carbohydrates - Quiz

Explore the molecules of life in this engaging quiz on water, minerals, and carbohydrates. Learn about inorganic compounds, the role of magnesium in chlorophyll, and identify different carbohydrate... see moremolecules and their functions. see less

2. Which of the following is a disaccharide molecule?

Explanation

Glucose, galactose --> monosaccharide;
Glycogen --> polysaccharide

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3. Glucose + glucose ----> ???

Explanation

Maltose = glucose + glucose;
Lactose = glucose + galactose;
Sucrose = table sugar = glucose + fructose

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4. Which of the followings is NOT a component of phospholipids?

Explanation

Phospholipids = glycerol + fatty acids + phosphate group

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5. Which of the followings is used to release energy during cellular respiration in all organisms?

Explanation

Anaerobic respiration does not involve oxygen.

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6. Which of the followings is inorganic?

Explanation

Monosaccharides (carbohydrates), DNA (nucleic acids) and amino acids contain carbon atoms and are complex.
Although carbon monoxide contains carbon atom, it is too simple and should be regarded as inorganic.

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7. Which of the followings is the storage form of carbohydrates in animals?

Explanation

Glycerol 甘油 + 3 fatty acids --> fats;
Starch: the storage form of carbohydrates in plants, not animals;
Glucose is NOT stored (it will be turned into glycogen for storage in animals)

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8. Which of the followings is water-soluble?

Explanation

maltose is disaccharide --> water soluble;
glycogen, starch and cellulose are polysaccharides --> insoluble in water

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9. Which of the followings is a function of cholesterol?

Explanation

heart attack is not a function;
making enzymes is a function of proteins;
as a solvent is a function of water

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10. Which of the followings is needed in plants for forming chlorophyll?

Explanation

Magnesium --> for chlorophyll;
Iron --> for haemoglobin in red blood cells;
Calcium --> for bones and teeth
Nitrate --> for forming proteins and nucleic acids

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Where are fats stored in mammals' body?
Which of the following is a disaccharide molecule?
Glucose + glucose ----> ???
Which of the followings is NOT a component of phospholipids?
Which of the followings is used to release energy during cellular...
Which of the followings is inorganic?
Which of the followings is the storage form of carbohydrates in...
Which of the followings is water-soluble?
Which of the followings is a function of cholesterol?
Which of the followings is needed in plants for forming chlorophyll?
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