Quiz about Macromolecules and properties of water

Question 1

Proteins are made of monomers called ___________

Accepted Answer

Amino Acids

Answer

Nucleotides

Answer

Monosaccharides

Answer

Glycerol and fatty acids

Question 2

DNA and RNA are examples of

Accepted Answer

Nucleic Acids

Answer

Carbohydrates

Answer

Lipids

Answer

Proteins

Question 3

Nucleotides are monomers of

Accepted Answer

Nucleic Acids

Answer

Carbohydrates

Answer

Lipids

Answer

Proteins

Question 4

Monosaccharides are monomers of

Accepted Answer

Carbohydrates

Answer

Lipids

Answer

Proteins

Answer

Nucleic Acids

Question 5

Waxes, oils and fats are examples of

Accepted Answer

Lipids

Answer

Carbohydrates

Answer

Proteins

Answer

Nucleic Acids

Question 6

What is the function of nucleic acids?

Accepted Answer

store genetic information

Answer

store energy (long-term)

Answer

store energy (short-term)

Answer

build skin, hair, nails, muscles

Question 7

Which of the following organic compounds is the main source of energy for living things?

Accepted Answer

carbohydrates

Answer

lipids

Answer

nucleic acids

Answer

proteins

Question 8

Which macromolecule stores energy, insulates us, and makes up the cell membrane?

Accepted Answer

lipids

Answer

proteins

Answer

carbohydrates

Answer

nucleic acids

Question 9

What are the monomers of DNA?

Accepted Answer

nucleotides

Answer

glycerols

Answer

amino acids

Answer

fatty acids

Question 10

All polymers are made up of...

Accepted Answer

monomers

Answer

monosaccharides

Answer

proteins

Answer

None of these

Question 11

All organic compounds contain the element

Accepted Answer

carbon

Answer

nitrogen

Answer

phosphorus

Answer

sulfur

Question 12

Enzymes belong to which class of macromolecules?

Accepted Answer

proteins

Answer

lipids

Answer

carbohydrates

Answer

nucleic acids

Question 13

DNA belongs to which class of macromolecules?

Accepted Answer

nucleic acids

Answer

proteins

Answer

carbohydrates

Answer

lipids

Question 14

Sugar belongs to which class of macromolecules?

Accepted Answer

carbohydrates

Answer

proteins

Answer

lipids

Answer

nucleic acids

Question 15

Glycerol and fatty acids combine to form...?

Accepted Answer

Lipids

Answer

Carbohydrates

Answer

Proteins

Answer

Nucleic Acids

Question 16

Glucose (sugar) is an example of a

Accepted Answer

Carbohydrate

Answer

Lipid

Answer

Protein

Answer

Nucleic Acid

Question 17

Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?

Accepted Answer

Protein

Answer

Carbohydrate

Answer

Lipid

Answer

Nucleic acid

Question 18

I am responsible for long term energy storage in mammals.

Accepted Answer

Lipid

Answer

Protein

Answer

Carbohydrate

Answer

Nucleic Acid

Question 19

The word saccharide means:

Accepted Answer

sugar

Answer

glucose

Answer

sweetener

Answer

carbohydrate

Question 20

The diagram shows the structure of an amino acid. Which type of molecule is formed from amino acids?

Accepted Answer

proteins

Answer

lipids

Answer

carbohydrates

Answer

nucleic acids

Question 21

The three main parts of a nucleotide are the sugar, the phosphate group, and the _____________  base.

Accepted Answer

nitrogen

Answer

carbon

Answer

oxygen

Answer

hydrogen

Question 22

The three main elements that make up all life on Earth are?

Accepted Answer

hydrogen, oxygen, carbon

Answer

hydrogen, oxygen, sulfur

Answer

carbon, oxygen, uranium

Answer

oxygen, carbon, helium.

Question 23

A protein is a macromolecule that is used to...

Accepted Answer

build cell parts.

Answer

give cells/systems energy.

Answer

give cells/systems long term energy storage.

Answer

help cells with chemical processes.

Question 24

A carbohydrate is a macromolecule that is used to...

Accepted Answer

give cells/systems energy.

Answer

build cell parts.

Answer

give cells/systems long term energy storage.

Answer

help cells with chemical processes.

Question 25

A lipid is a macromolecule that is used to...

Accepted Answer

build cell parts.

Accepted Answer

give cells/systems long term energy storage.

Answer

give cells/systems energy.

Answer

help cells with chemical processes.

Question 26

When reading the nutrition facts on food packaging total fats is a measure of...

Accepted Answer

Lipids

Answer

Carbohydrate

Answer

Water

Answer

Protein

Question 27

When reading the ingredients on a nutrition facts label carbohydrates are written as a type of

Accepted Answer

sugar

Answer

food additive

Answer

enzyme

Answer

protein

Question 28

Which major macromolecule is being represented in this image?

Accepted Answer

carbohydrate

Answer

lipid

Answer

protein

Answer

nucleic acid

Question 29

What type of macromolecule is being represented in this image?

Accepted Answer

protein

Answer

carbohydrate

Answer

lipid

Answer

nucleic acid

Question 30

Which macromolecule is shown?

Accepted Answer

nucleic acid

Answer

lipid

Answer

protein

Answer

carbohydrate

Question 31

Carbohydrates are made of...

Accepted Answer

C H O

Answer

C H O N

Answer

C H O N P

Answer

C H O N S

Question 32

Lipids are made of...

Accepted Answer

C H O

Answer

C H O N

Answer

C H O N P

Answer

C H O N S

Question 33

Proteins are made of...

Accepted Answer

C H O N

Answer

C H O

Answer

C H O N P

Answer

C H O N S

Question 34

Is found in the cell membrane as a bilayer.

Accepted Answer

lipids

Answer

protein

Answer

nucleic acid

Answer

carbohydrate

Question 35

What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?"

Accepted Answer

Polarity and cohesion

Answer

Purity

Answer

High heat capacity

Answer

Expansion upon freezing

Question 36

Large bodies of water do not quickly fluctuate in temperature. Why?

Accepted Answer

Water has a high heat capacity.

Answer

Water is a solvent.

Answer

Water acts as a buffer.

Answer

Water is non-polar.

Question 37

What two elements make up water?

Accepted Answer

Hydrogen and oxygen

Answer

Helium and oxygen

Answer

helium and carbon

Answer

oxygen and carbon

Question 38

What word describes when water is attracted to other substances?

Accepted Answer

adhesion

Answer

cohesion

Answer

capillary action

Answer

surface tension

Question 39

Attractions between water molecules are called

Accepted Answer

Hydrogen bonds

Answer

Covalent bonds

Answer

Ionic bonds

Answer

Polar bonds

Question 40

The bond that holds the Oxygen and Hydrogen atoms together in a water molecule is a ________ bond.

Accepted Answer

Covalent

Answer

ionic

Answer

Hydrogen

Answer

Weak

Question 41

Water is a universal solvent because it...

Accepted Answer

Dissolves most substances

Answer

It can be found anywhere

Answer

It freezes when it gets cold

Answer

floats when frozen

Question 42

Which end of the water molecule has a slightly positive charge?

Accepted Answer

the hydrogen end

Answer

the oxygen end

Answer

both ends are slightly positive

Answer

neither end is positive

Question 43

Which of the following is LEAST likely to dissolve in water?

Accepted Answer

nonpolar fats and oils

Answer

polar sugar molecules

Answer

salt made of a positive sodium ion and a negative chloride ion

Answer

all of the substances will dissolve easily in water

Question 44

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

Accepted Answer

Water has a high heat capacity.

Answer

Water is an acid.

Answer

Water is a versatile solvent.

Answer

Water acts as a buffer.

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