Which statement is true about macronutrients?
They include vitamins, minerals, and water
They are substrates for cellular energy
They are found in plant foods but not animal foods
They are unhealthy
All of the above are true - Answers They are substrates for cellular energy
Which statement is false about the bomb calorimeter?
It measures nitrogen in food
It measures energy in food
It measures the heat released from the combustion of food
It measures the caloric density of food
All of the above are true - Answers It measures nitrogen in food
Which statement is true about the energy value of nutrients?
All carbohydrates provide 4 Calories per gram
All nitrogenous compounds are energy-producing
All fatty acids metabolized to energy provide 9 Calories per gram
All of the above are true
None of the above is true - Answers All fatty acids metabolized to energy provide 9 Calories per
gram
The ultimate fuel used in the body is a chemical called:
Adenosine Tri-Phosphate
Lactic acid
Acetyl CoA
Pyruvate
,Insulin - Answers Adenosine Tri-Phosphate
Which is the form of sugar normally found in the bloodstream?
Glycogen
Sucrose
Glucose
Mannose
Fructose - Answers Glucose
What is the storage form of carbohydrate in humans and animals?
Glycogen
Glucose
Mannose
Cellulose
Lactose - Answers Glycogen
Which simple sugar is commonly formed from the hydrolysis of starch?
Lactose
Fructose
Galactose
Levulose
Maltose - Answers Maltose
Which carbohydrate substances are commonly used in processed food as stabilizing agents?
Glucose, fructose, and galactose
Pectins, gums, and algal polysaccharides
Maltose, sucrose, and lactose
Inulin, stachyose, and raffinose
,All of the above - Answers Pectins, gums, and algal polysaccharides
Which carbohydrate substance is best known to be able to decrease blood lipid levels when
consumed consistently in the diet?
Simple sugars
Oligosaccharides
Soluble fibers
Alcohol
All of the above - Answers Soluble fibers
Which of the following statements is false regarding carbohydrates?
Most hexose and pentose carbohydrate structures found in nature are used for energy by
humans.
Glucose in the cornstarch is modified to fructose to produce the food additive high fructose
corn syrup.
Starch formed by plants is usually packaged as granules and encased with cellulose.
Inulin, stachyose, and raffinose are oligosaccharides
All of the above - Answers Most hexose and pentose carbohydrate structures found in nature
are used for energy by humans.
Which of these is an essential fatty acid?
Stearic acid
Palmitic acid
Linoleic acid
Docosahexaenoic acid - Answers Linoleic acid
Which of these is an omega-3 fatty acid?
Alpha-linolenic acid
Eicosapentaenoic acid
Docosahexaenoic acid
All of the above - Answers All of the above
, In trans-fatty acid
The hydrogens are on opposite sides of the carbon chain
The hydrogens are on the same side of the carbon chain
There are no double bonds
There is a health benefit - Answers The hydrogens are on opposite sides of the carbon chain
Hydrogenation
Converts liquid fats to more solid fats
Produces cis-fatty acids
Is a process that commonly occurs inside liver cells
Is used to produce liquid corn oil
Is used to make modified food starch - Answers Converts liquid fats to more solid fats
Cerebrosides are
Glycolipids
Sterols
Waxes
Phospholipids
Triglycerides - Answers Glycolipids
Which of the following is the chemical basis for steroid derivatives?
Lecithin
Glucose
Cholesterol
Sphingomyelin
Choline - Answers Cholesterol
Which of the following fatty acids is long-chain and atherogenic?
Pentanoic