Question 1

Plants store their excess carbohydrates in the form of ________.

Accepted Answer

starch

Question 2

In general, the net movement of small, uncharged atoms and molecules through the membrane of a cell will occur until

Accepted Answer

A)  the concentration of a solute is equal on both sides of the membrane. 
B)  all those atoms or molecules are on the same side of the membrane. 
C)  the cell grows so large that it can't hold any more material. 
D)  the cell shrinks to the point that it can't function properly. 
A)  the concentration of a solute is equal on both sides of the membrane. 
B)  all those atoms or molecules are on the same side of the membrane. 
C)  the cell grows so large that it can't hold any more material. 
D)  the cell shrinks to the point that it can't function properly. A

Question 3

When you compare tap water to bottled water, in most cases

Accepted Answer

A)  bottled water has more impurities than tap water. 
B)  bottled water and tap water are equally clean. 
C)  tap water has more salt than bottled water. 
D)  tap water usually tastes better than bottled water. 
A)  bottled water has more impurities than tap water. 
B)  bottled water and tap water are equally clean. 
C)  tap water has more salt than bottled water. 
D)  tap water usually tastes better than bottled water. B

Question 4

The interior of a phospholipid bilayer is

Accepted Answer

A)  hydrophobic. 
B)  hydrophilic. 
C)  proteinaceous. 
D)  hydrogenated. 
A)  hydrophobic. 
B)  hydrophilic. 
C)  proteinaceous. 
D)  hydrogenated.

Question 5

A deficiency of water in the body is called

Accepted Answer

A)  diffusion. 
B)  dehydration. 
C)  endocytosis. 
D)  hypertension. 
A)  diffusion. 
B)  dehydration. 
C)  endocytosis. 
D)  hypertension.

Question 6

Which antioxidant is naturally found in cocoa?

Accepted Answer

A)  vitamin A 
B)  beta-carotene 
C)  flavonoid 
D)  selenium 
A)  vitamin A 
B)  beta-carotene 
C)  flavonoid 
D)  selenium

Question 7

How are trans fats different from regular saturated fats?

Accepted Answer

A)  Trans fats cannot form carbon-carbon double bonds. 
B)  Trans fats have flattened fatty acids. 
C)  Trans fats are liquid at room temperature. 
D)  Trans fats do not contain glycerol. 
A)  Trans fats cannot form carbon-carbon double bonds. 
B)  Trans fats have flattened fatty acids. 
C)  Trans fats are liquid at room temperature. 
D)  Trans fats do not contain glycerol.

Question 8

If a drop of red food coloring is added to a glass of water, the red-colored molecules will

Accepted Answer

A)  move from an area of high concentration of red-colored molecules to an area of low concentration. 
B)  move from an area of low concentration of red-colored molecules to an area of high concentration. 
C)  move from an area of high concentration of water molecules to an area of low concentration. 
D)  move toward an area of low concentration of water molecules. 
A)  move from an area of high concentration of red-colored molecules to an area of low concentration. 
B)  move from an area of low concentration of red-colored molecules to an area of high concentration. 
C)  move from an area of high concentration of water molecules to an area of low concentration. 
D)  move toward an area of low concentration of water molecules.

Question 9

Tanya eats a vegan diet, which means that she does not eat any animal products. What would be a good source of calcium for Tanya?

Accepted Answer

A)  spinach 
B)  cheese 
C)  nuts 
D)  whole grains 
A)  spinach 
B)  cheese 
C)  nuts 
D)  whole grains

Question 10

What is a function of antioxidants?

Accepted Answer

A)  to prevent muscle cramps and weakness 
B)  to improve skin tone and fight acne 
C)  to decrease damage done to cells by free radicals 
D)  to allow the cell to maintain water balance 
A)  to prevent muscle cramps and weakness 
B)  to improve skin tone and fight acne 
C)  to decrease damage done to cells by free radicals 
D)  to allow the cell to maintain water balance

Question 11

Carbohydrates are an excellent source of energy for the body. If a candy bar and a pear contain an equal number of calories from carbohydrates, which is a healthier food and why?

Accepted Answer

A)  The candy bar is healthier because it contains simple sugars, which are easier for the body to get energy from. 
B)  The pear is healthier because it contains fewer chemical bonds that need to be broken in the digestive tract. 
C)  The pear is healthier because it contains more vitamins, minerals, and fiber. 
D)  Neither the candy bar nor the pear is better because they both contain the same number of calories. 
A)  The candy bar is healthier because it contains simple sugars, which are easier for the body to get energy from. 
B)  The pear is healthier because it contains fewer chemical bonds that need to be broken in the digestive tract. 
C)  The pear is healthier because it contains more vitamins, minerals, and fiber. 
D)  Neither the candy bar nor the pear is better because they both contain the same number of calories.

Question 12

Table salt provides the body with necessary sodium and chloride. However, too much salt could result in

Accepted Answer

A)  muscle cramps. 
B)  bone damage. 
C)  kidney stones. 
D)  high blood pressure. 
A)  muscle cramps. 
B)  bone damage. 
C)  kidney stones. 
D)  high blood pressure.

Question 13

Which vitamin could build up to dangerous levels within the body?

Accepted Answer

A)  vitamin B12 
B)  vitamin C 
C)  vitamin D 
D)  folic acid 
A)  vitamin B12 
B)  vitamin C 
C)  vitamin D 
D)  folic acid

Question 14

Which macronutrient is the major source of energy for cell processes?

Accepted Answer

A)  carbohydrates 
B)  proteins 
C)  fats 
D)  water 
A)  carbohydrates 
B)  proteins 
C)  fats 
D)  water

Question 15

Imagine a balloon is made from a membrane that's permeable to water but not sucrose molecules. If the balloon is filled with a 50% sucrose solution and then placed in a beaker of water, then the balloon will

Accepted Answer

A)  not change in size or volume. 
B)  get smaller as it loses water. 
C)  get larger as it gains water. 
D)  eventually burst. 
A)  not change in size or volume. 
B)  get smaller as it loses water. 
C)  get larger as it gains water. 
D)  eventually burst.

Question 16

Which of these foods is made up of many branching chains of sugar monomers?

Accepted Answer

A)  honey 
B)  milk 
C)  nuts 
D)  beans 
A)  honey 
B)  milk 
C)  nuts 
D)  beans

Question 17

The human body stores excess carbohydrates in the form of ________ in muscles and the liver.

Accepted Answer

The answer of The human body stores excess carbohydrates in...

Question 18

Monosaccharides can be used by body cells

Accepted Answer

A)  to build membranes. 
B)  to produce enzymes. 
C)  for energy production. 
D)  to store energy. 
A)  to build membranes. 
B)  to produce enzymes. 
C)  for energy production. 
D)  to store energy.

Question 19

Water can enter cells through either passive transport or pores in the membrane called

Accepted Answer

A)  aquaporins. 
B)  electrolytes. 
C)  diffusion channels. 
D)  exocytes. 
A)  aquaporins. 
B)  electrolytes. 
C)  diffusion channels. 
D)  exocytes.

Question 20

Vitamins in the human body

Accepted Answer

A)  are sources of stored energy. 
B)  help enzymes function properly. 
C)  act as hormones that trigger cells to take up glucose. 
D)  are the basis of the plasma membrane. 
A)  are sources of stored energy. 
B)  help enzymes function properly. 
C)  act as hormones that trigger cells to take up glucose. 
D)  are the basis of the plasma membrane.

Exam 3: Is It Possible to Supplement Your Way to Better Health?

Plants store their excess carbohydrates in the form of ________.

In general, the net movement of small, uncharged atoms and molecules through the membrane of a cell will occur until

When you compare tap water to bottled water, in most cases

The interior of a phospholipid bilayer is

A deficiency of water in the body is called

Which antioxidant is naturally found in cocoa?

How are trans fats different from regular saturated fats?

If a drop of red food coloring is added to a glass of water, the red-colored molecules will

Tanya eats a vegan diet, which means that she does not eat any animal products. What would be a good source of calcium for Tanya?

What is a function of antioxidants?

Carbohydrates are an excellent source of energy for the body. If a candy bar and a pear contain an equal number of calories from carbohydrates, which is a healthier food and why?

Table salt provides the body with necessary sodium and chloride. However, too much salt could result in

Which vitamin could build up to dangerous levels within the body?

Which macronutrient is the major source of energy for cell processes?

Imagine a balloon is made from a membrane that's permeable to water but not sucrose molecules. If the balloon is filled with a 50% sucrose solution and then placed in a beaker of water, then the balloon will

Which of these foods is made up of many branching chains of sugar monomers?

The human body stores excess carbohydrates in the form of ________ in muscles and the liver.

Monosaccharides can be used by body cells

Water can enter cells through either passive transport or pores in the membrane called

Vitamins in the human body

Can Science Cure the Common Cold? Introduction to the Scientific Method

Are We Alone in the Universe? Water, Biochemistry, and Cells

Fat: How Much is Right for You? Enzymes, Metabolism, and Cellular Respiration

Life in the Greenhouse: Photosynthesis and Global Warming

Cancer: DNA Synthesis, Mitosis, and Meiosis

Are You Only as Smart as Your Genes? Mendelian and Quantitative Genetics

DNA Detective: Complex Patterns of Inheritance and DNA Fingerprinting

Genetically Modified Organisms: Gene Expression, Mutation, and Cloning

Where Did We Come From? The Evidence for Evolution

An Evolving Enemy: Natural Selection

Who Am I? Species and Races

Prospecting for Biological Gold: Biodiversity and Classification

Is the Human Population Too Large? Population Ecology

Conserving Biodiversity: Community and Ecosystem Ecology

Where Do You Live? Climate and Biomes

Organ Donation: Tissues Organs and Organ Systems

Clearing the Air: Respiratory Cardiovascular and Excretory Systems

Vaccinations: Protection and Prevention or Peril? Immune System

Sex Differences and Athleticism: Endocrine Skeletal and Muscular Systems

Is There Something in the Water? Reproductive and Developmental Biology

Attention Deficit Disorder: Brain Structure and Function

Feeding the World: Plant Structure and Growth

Growing a Green Thumb: Plant Physiology

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