The Chemical Basis of Life

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Basic Chemistry

FINAL ROUND

Chemical Reactions

Acids and

Bases

Organic Chemistry

Grab Bag

Basic Chemistry:

$100 Question

These subatomic particles account for most of the mass of an atom:

a. protons and neutrons

b. protons and electrons

c. protons only

d. electrons only

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ANSWER

Basic Chemistry:

$100 Answer

These subatomic particles account for most of the mass of an atom:

a. protons and neutrons

b. protons and electrons

c. protons only

d. electrons only

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Basic Chemistry:

$200 Question

This best describes the atomic number:

a. the number of protons

b. the number of electrons

c. it is unique for each element

d. all of these

e. b and c only

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ANSWER

Basic Chemistry:

$200 Answer

This best describes the atomic number:

a. the number of protons

b. the number of electrons

c. it is unique for each element

d. all of these

e. b and c only

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Basic Chemistry:

$300 Question

Na+ (sodium ion) is a cation because of this:

a. it has gained an electron

b. it has lost a proton

c. it is negatively charged

d. it is positively charged

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ANSWER

Basic Chemistry:

$300 Answer

Na+ (sodium ion) is a cation because of this:

a. it has gained an electron

b. it has lost a proton

c. it is negatively charged

d. it is positively charged

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Basic Chemistry:

$400 Question

These substances are important for their chemical reactivity, effects on osmosis and, electrical effects:

a. free radicals

b. electrolytes

c. isotopes

d. isomers

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ANSWER

Basic Chemistry:

$400 Answer

These substances are important for their chemical reactivity, effects on osmosis and, electrical effects:

a. free radicals

b. electrolytes

c. isotopes

d. isomers

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Basic Chemistry:

$500 Question

This kind of bonding, though quite weak, causes large molecules to fold into three dimensional shape:

a. polar covalent

b. non polar covalent

c. ionic bond

d. hydrogen bond

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ANSWER

Basic Chemistry:

$500 Answer

This kind of bonding, though quite weak, causes large molecules to fold into three dimensional shape:

a. polar covalent

b. non polar covalent

c. ionic bond

d. hydrogen bond

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Chemical Reactions:

$100 Question

Given the following:

CO2 + H2O H+ + HCO3-

These are the products of this reaction:

a. CO2 + H2O

b. H+

c. H2O + HCO3-

d. H+ + HCO3-

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ANSWER

Chemical Reactions:

$100 Answer

Given the following:

CO2 + H2O H+ + HCO3-

These are the products of this reaction:

a. CO2 + H2O

b. H+

c. H2O + HCO3-

d. H+ + HCO3-

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Chemical Reactions:

$200 Question

This kind of reaction occurs when a large molecule, such as starch, is broken down into smaller ones, such as glucose:

a. synthesis

b. decomposition

c. dehydration

d. reversible

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ANSWER

Chemical Reactions:

$200 Answer

This kind of reaction occurs when a large molecule, such as starch, is broken down into smaller ones, such as glucose:

a. synthesis

b. decomposition

c. dehydration

d. reversible

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Chemical Reactions:

$300 Question

The minimal energy needed to start a chemical reaction is known as this:

a. activation energy

b. mechanical energy

c. chemical energy

d. potential energy

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ANSWER

Chemical Reactions:

$300 Answer

The minimal energy needed to start a chemical reaction is known as this:

a. activation energy

b. mechanical energy

c. chemical energy

d. potential energy

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Chemical Reactions:

$400 Question

The energy released by the breakdown of this molecule is used by cells for muscle contraction:

a. adenosine diphosphate

b. adenosine triphosphate

c. cyclic adenosine monophosphate

d. guanosine triphosphate

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ANSWER

Chemical Reactions:

$400 Answer

The energy released by the breakdown of this molecule is used by cells for muscle contraction:

a. adenosine diphosphate

b. adenosine triphosphate

c. cyclic adenosine monophosphate

d. guanosine triphosphate

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Chemical Reactions:

$500 Question

Substances that speed up the rate of a chemical reaction without being changed by that reaction are this:

a. reactants

b. products

c. catalysts

d. buffers

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ANSWER

Chemical Reactions:

$500 Answer

Substances that speed up the rate of a chemical reaction without being changed by that reaction are this:

a. reactants

b. products

c. catalysts

d. buffers

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Acids and Bases

$100 Question

Substances that accept H+ are known as this:

a. bases

b. acids

c. buffers

d. salts

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ANSWER

Acids and Bases

$100 Answer

Substances that accept H+ are known as this:

a. bases

b. acids

c. buffers

d. salts

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Acids and Bases

$200 Question

These substances completely dissociate into water and release all of their H+:

a. weak acid

b. weak base

c. strong acid

d. strong base

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ANSWER

Acids and Bases

$200 Answer

These substances completely dissociate into water and release all of their H+:

a. weak acid

b. weak base

c. strong acid

d. strong base

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Acids and Bases

$300 Question

Oven cleaner, which has a pH of 14, is ____ and contains ____ OH- than a neutral solution:

a. basic, more

b. basic, less

c. acid, less

d. acid, more

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ANSWER

Acids and Bases

$300 Answer

Oven cleaner, which has a pH of 14, is ____ and contains ____ OH- than a neutral solution:

a. basic, more

b. basic, less

c. acid, less

d. acid, more

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Acids and Bases

$400 Question

The function of a buffer is to do this:

a. slow down chemical reactions

b. speed up chemical reactions

c. decrease pH of solutions

d. maintain a steady pH

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ANSWER

Acids and Bases

$400 Answer

The function of a buffer is to do this:

a. slow down chemical reactions

b. speed up chemical reactions

c. decrease pH of solutions

d. maintain a steady pH

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Acids and Bases

$500 Question

This occurs when an excess of H+ are added to a solution:

a. pH decreases, acidity decreases

b. pH decreases, acidity increases

c. pH increases, acidity decreases

d. pH increases, acidity increases

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ANSWER

Acids and Bases

$500 Answer

This occurs when an excess of H+ are added to a solution:

a. pH decreases, acidity decreases

b. pH decreases, acidity increases

c. pH increases, acidity decreases

d. pH increases, acidity increases

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Organic Chemistry:

$100 Question

In humans, this polysaccharide is used for energy storage:

a. sucrose

b. cellulose

c. starch

d. glycogen

e. glucose

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ANSWER

Organic Chemistry:

$100 Answer

In humans, this polysaccharide is used for energy storage:

a. sucrose

b. cellulose

c. starch

d. glycogen

e. glucoseBACK TO GAME

Organic Chemistry:

$200 Question

This is not an example of a steroid:

a. cholesterol

b. triglycerides

c. bile salts

d. progesterone

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ANSWER

Organic Chemistry:

$200 Answer

This is not an example of a steroid:

a. cholesterol

b. triglycerides

c. bile salts

d. progesterone

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Organic Chemistry:

$300 Question

This structure of a protein comes from the further bending and folding of pleated sheets and helices:

a. primary

b. secondary

c. tertiary

d. quaternary

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ANSWER

Organic Chemistry:

$300 Answer

This structure of a protein comes from the further bending and folding of pleated sheets and helices:

a. primary

b. secondary

c. tertiary

d. quaternary

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Organic Chemistry:

$400 Question

DNA contains the complementary base pairs: cytosine-guanine

adenine-uracil

True/False

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ANSWER

Organic Chemistry:

$400 Answer

DNA contains the complementary base pairs: cytosine-guanine

adenine-uracil

True/False

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Organic Chemistry: $500 Question

The following statement can be said about enzymes:

a. lowers activation energy of reactions

b. regulates chemical activities in the body

c. 3D shape is essential for normal function

d. all of these

e. b and c onlyBACK TO GAME

ANSWER

Organic Chemistry: $500 Answer

The following statement can be said about enzymes:

a. lowers activation energy of reactions

b. regulates chemical activities in the body

c. 3D shape is essential for normal function

d. all of these

e. b and c only BACK TO GAME

Grab Bag:

$100 Question

The proteins found in the blood are this:

a. solutes

b. solvents

c. colloid

d. suspension

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ANSWER

Grab Bag:

$100 Answer

The proteins found in the blood are this:

a. solutes

b. solvents

c. colloid

d. suspension

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Grab Bag:

$200 Question

Water dissolves a broad range of substances, is cohesive because of hydrogen bonding and provides lubrication to membranes in the body.

True/False

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ANSWER

Grab Bag:

$200 Answer

Water dissolves a broad range of substances, is cohesive because of hydrogen bonding and provides lubrication to membranes in the body.

True/False

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Grab Bag:

$300 Question

This occurs when the cations and anions are attracted to the positive and negative ends of water molecules:

a. ionic bonding

b. dissociation

c. covalent bonding

d. hydrogen bonding

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ANSWER

Grab Bag:

$300 Answer

This occurs when the cations and anions are attracted to the positive and negative ends of water molecules:

a. ionic bonding

b. dissociation

c. covalent bonding

d. hydrogen bonding

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Grab Bag:

$400 Question

A nonpolar covalent bond occurs when this happens:

a. an atom loses it electron completely

b. one atom attracts the shared electron more than the other

c. atoms attract electrons equally

d. two water molecules are attracted to each other BACK TO GAME

ANSWER

Grab Bag:

$400 Answer

A nonpolar covalent bond occurs when this happens:

a. an atom loses it electron completely

b. one atom attracts the shared electron more than the other

c. atoms attract electrons equally

d. two water molecules are attracted to each other BACK TO GAME

Grab Bag:

$500 Question

This polysaccharide provides humans with dietary fiber or bulk:

a. starch

b. cellulose

c. glycogen

d. lactose

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ANSWER

Grab Bag:

$500 Answer

This polysaccharide provides humans with dietary fiber or bulk:

a. starch

b. cellulose

c. glycogen

d. lactose

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FINAL ROUND Question

Sodium chloride (NaCl) is held together by this kind of bonding:

a. polar covalent

b. nonpolar covalent

c. ionic

d. hydrogen

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ANSWER

FINAL ROUND Answer

Sodium chloride (NaCl) is held together by this kind of bonding:

a. polar covalent

b. nonpolar covalent

c. ionic

d. hydrogen

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