Question 1

Lipoproteins are normally classified according to their ____.

Accepted Answer

A)  ring structure 
B)  amino acid sequence 
C)  density 
D)  tertiary structure 
E)  functional groups 
A)  ring structure 
B)  amino acid sequence 
C)  density 
D)  tertiary structure 
E)  functional groups

Question 2

Which of these vitamins may be obtained directly from the diet or by the conversion of beta carotene?

Accepted Answer

A)  Vitamin D 
B)  Vitamin B-12 
C)  Vitamin C 
D)  Vitamin A 
E)  Vitamin K 
A)  Vitamin D 
B)  Vitamin B-12 
C)  Vitamin C 
D)  Vitamin A 
E)  Vitamin K

Question 3

Which of these is a minor mineral?

Accepted Answer

A)  Carbon 
B)  Magnesium 
C)  Iron 
D)  Potassium 
E)  Sodium 
A)  Carbon 
B)  Magnesium 
C)  Iron 
D)  Potassium 
E)  Sodium

Question 4

What is the primary source of sucrose?

Accepted Answer

A)  Milk 
B)  Sugar cane 
C)  Honey 
D)  Fruits 
E)  Meats 
A)  Milk 
B)  Sugar cane 
C)  Honey 
D)  Fruits 
E)  Meats

Question 5

Which of these vitamins promotes the absorption of calcium?

Accepted Answer

A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin B-12 
D)  Vitamin E 
E)  Vitamin K 
A)  Vitamin A 
B)  Vitamin D 
C)  Vitamin B-12 
D)  Vitamin E 
E)  Vitamin K

Question 6

Which of these is the primary fuel source for our body?

Accepted Answer

A)  Glucose 
B)  Sucrose 
C)  Lactose 
D)  Starches 
E)  Fats 
A)  Glucose 
B)  Sucrose 
C)  Lactose 
D)  Starches 
E)  Fats

Question 7

Proteins made from all the essential amino acids in the right proportion are known as ____ proteins.

Accepted Answer

A)  complete 
B)  whole 
C)  essential 
D)  fiber 
E)  required 
A)  complete 
B)  whole 
C)  essential 
D)  fiber 
E)  required

Question 8

Risk of stroke and heart attack increases with increasing levels of ____.

Accepted Answer

A)  sucrose 
B)  lipase 
C)  HDL 
D)  galactose 
E)  LDL 
A)  sucrose 
B)  lipase 
C)  HDL 
D)  galactose 
E)  LDL

Question 9

Which of these carbohydrates is the sweetest?

Accepted Answer

A)  Glucose 
B)  Sucrose 
C)  Lactose 
D)  Starches 
E)  Fructose 
A)  Glucose 
B)  Sucrose 
C)  Lactose 
D)  Starches 
E)  Fructose

Question 10

Which of these substances carry triglycerides through the blood stream?

Accepted Answer

A)  Lipases 
B)  Essential acids 
C)  Enzymes 
D)  Lipoproteins 
E)  None of these 
A)  Lipases 
B)  Essential acids 
C)  Enzymes 
D)  Lipoproteins 
E)  None of these

Question 11

Which of these food types has the greatest caloric content?

Accepted Answer

A)  Sugars 
B)  Fats 
C)  Proteins 
D)  Fiber 
E)  Both A and C 
A)  Sugars 
B)  Fats 
C)  Proteins 
D)  Fiber 
E)  Both A and C

Question 12

Which carbohydrate is represented by this structure?
​

Accepted Answer

A)  Glucose 
B)  Sucrose 
C)  Fructose 
D)  Lactose 
E)  Galactose 
A)  Glucose 
B)  Sucrose 
C)  Fructose 
D)  Lactose 
E)  Galactose

Question 13

Which of these biomolecules is digested the slowest?

Accepted Answer

A)  Sucrose 
B)  Starch 
C)  Fats 
D)  Proteins 
E)  Both A and B 
A)  Sucrose 
B)  Starch 
C)  Fats 
D)  Proteins 
E)  Both A and B

Question 14

Chemicals used to eliminate pests which attack crops are collectively known as ____.

Accepted Answer

A)  insecticides 
B)  herbicides 
C)  minerals 
D)  vitamins 
E)  antioxidants 
A)  insecticides 
B)  herbicides 
C)  minerals 
D)  vitamins 
E)  antioxidants

Question 15

Which of these foods is not high in carbohydrates?

Accepted Answer

A)  Corn 
B)  Pasta 
C)  Potatoes 
D)  Rice 
E)  All of these are high in carbohydrates. 
A)  Corn 
B)  Pasta 
C)  Potatoes 
D)  Rice 
E)  All of these are high in carbohydrates.

Question 16

Which of these pairs of monosaccharides make up the structure of sucrose?

Accepted Answer

A)  Glucose + fructose 
B)  Glucose + glucose 
C)  Fructose + galactose 
D)  Lactose + glucose 
E)  Glucose + galactose 
A)  Glucose + fructose 
B)  Glucose + glucose 
C)  Fructose + galactose 
D)  Lactose + glucose 
E)  Glucose + galactose

Question 17

A serving of peanut butter contains 204 calories. The serving contains 9 grams of protein, 16 grams of fat and 6 grams of carbohydrate. What percentage of calories comes from fat?

Accepted Answer

A)  7.8% 
B)  15.6% 
C)  29% 
D)  52% 
E)  71% 
A)  7.8% 
B)  15.6% 
C)  29% 
D)  52% 
E)  71%

Question 18

Which of these is not a characteristic of starch?

Accepted Answer

A)  Beta-1,4 linkages 
B)  Repeating  glucose units 
C)  Found in potatoes 
D)  Easily digestible 
E)  All of these are characteristics 
A)  Beta-1,4 linkages 
B)  Repeating  glucose units 
C)  Found in potatoes 
D)  Easily digestible 
E)  All of these are characteristics

Question 19

Which of these are 'simple carbohydrates'?
I.Glucose
II.Sucrose
III.Lactose
IV. Starch

Accepted Answer

A)  I only 
B)  I and III 
C)  II and IV 
D)  I, II, and III 
E)  all of these 
A)  I only 
B)  I and III 
C)  II and IV 
D)  I, II, and III 
E)  all of these

Question 20

Which of these food items is a good source of unsaturated triglycerides?

Accepted Answer

A)  Milk 
B)  Corn 
C)  Beef 
D)  Eggs 
E)  Ice cream 
A)  Milk 
B)  Corn 
C)  Beef 
D)  Eggs 
E)  Ice cream

Lipoproteins are normally classified according to their ____.

Which of these vitamins may be obtained directly from the diet or by the conversion of beta carotene?

Which of these is a minor mineral?

What is the primary source of sucrose?

Which of these vitamins promotes the absorption of calcium?

Which of these is the primary fuel source for our body?

Proteins made from all the essential amino acids in the right proportion are known as ____ proteins.

Risk of stroke and heart attack increases with increasing levels of ____.

Which of these carbohydrates is the sweetest?

Which of these substances carry triglycerides through the blood stream?

Which of these food types has the greatest caloric content?

Which carbohydrate is represented by this structure?

Which of these biomolecules is digested the slowest?

Chemicals used to eliminate pests which attack crops are collectively known as ____.

Which of these foods is not high in carbohydrates?

Which of these pairs of monosaccharides make up the structure of sucrose?

A serving of peanut butter contains 204 calories. The serving contains 9 grams of protein, 16 grams of fat and 6 grams of carbohydrate. What percentage of calories comes from fat?

Which of these is not a characteristic of starch?

Which of these are 'simple carbohydrates'? I.Glucose II.Sucrose III.Lactose IV. Starch

Which of these food items is a good source of unsaturated triglycerides?

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Exam 18: The Chemistry of Food

Lipoproteins are normally classified according to their ____.

Which of these vitamins may be obtained directly from the diet or by the conversion of beta carotene?

Which of these is a minor mineral?

What is the primary source of sucrose?

Which of these vitamins promotes the absorption of calcium?

Which of these is the primary fuel source for our body?

Proteins made from all the essential amino acids in the right proportion are known as ____ proteins.

Risk of stroke and heart attack increases with increasing levels of ____.

Which of these carbohydrates is the sweetest?

Which of these substances carry triglycerides through the blood stream?

Which of these food types has the greatest caloric content?

Which carbohydrate is represented by this structure? ​

Which of these biomolecules is digested the slowest?

Chemicals used to eliminate pests which attack crops are collectively known as ____.

Which of these foods is not high in carbohydrates?

Which of these pairs of monosaccharides make up the structure of sucrose?

A serving of peanut butter contains 204 calories. The serving contains 9 grams of protein, 16 grams of fat and 6 grams of carbohydrate. What percentage of calories comes from fat?

Which of these is not a characteristic of starch?

Which of these are 'simple carbohydrates'? I.Glucose II.Sucrose III.Lactose IV. Starch

Which of these food items is a good source of unsaturated triglycerides?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

Nanotechnology Online Only

Filters

Which carbohydrate is represented by this structure?