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Chapter 2 quiz

Total questions: 63

Worksheet time: 16hrs 45mins

Name
Class
Date
1.

One sugar unit carbohydrates are called

a)

polysaccharides

b)

oligosaccharides

c)

monosaccharides

d)

disaccharides

2.

Glucose and fructose are examples of

a)

disaccharides

b)

polysaccharides

c)

monosaccharides

d)

oligosaccharides

3.

Two sugar unit long carbohydrates are called

a)

monosaccharides

b)

polysaccharides

c)

disaccharides

d)

oligosaccharides

4.

3-10 unit long carbohydrates are called

a)

oligosaccharides

b)

disaccharides

c)

polysaccharides

d)

monosaccharides

5.

Carbohydrates contain the elements

a)

CHO

b)

CHON

c)

CHONPh

d)

NOCH

6.

Carbohydrates are broken down

a)

by adding salt

b)

by adding water

c)

by taking a water molecule away

d)

by changing the pH

7.

To build carbohydrates, one must

a)

add a water molecule

b)

take a water molecule away

c)

add salt

d)

take a nitrogen away

8.

Monosaccharides are used by what structure in your cell?

a)

mitochondria

b)

ribosomes

c)

cell wall

d)

nucleus

9.

These are examples of

a)

polysaccharides

b)

monosaccharides

c)

oligosaccharides

d)

disaccharides

10.

Two sugar molecules attached together are called

a)

monosaccharides

b)

polysaccharides

c)

disaccharides

d)

oligosaccharides

11.

Sucrose is

a)

common table sugar

b)

is found in your cells and used for energy

c)

is an energy storage molecule in us

d)

found in starch

12.

Lactose and sucrose are examples of

a)

disaccharides

b)

polysaccharides

c)

oligosaccharides

d)

monosaccharides

13.

Oligosaccharides are used to identify what kind of cell it is

a)

True

b)

False

14.

Pick the correct answers- cellulose is

a)

found in animal cells

b)

give us a lot of energy

c)

we can't digest

d)

found in plant cell walls

15.

The energy storage molecule in humans and some other organisms is

a)

glycogen

b)

starch

c)

cellulose

d)

fructose

16.

Proteins are composed of monomers called

a)

simple carbs

b)

amino acids

c)

glycerol and fatty acid tails

d)

nucleotides

17.

There are how many different kinds of amino acids?

a)

10

b)

30

c)

20

d)

100

18.

A _____________ holds amino acids together.

a)

hydrogen

b)

peptide

c)

covalent

d)

no bond holds these together

19.

______________ is the protein that carries oxygen.

a)

keratin

b)

hemoglobin

c)

insulin

d)

plasma membrane

20.

The primary structure of a protein is amino acids

a)

end to end

b)

folded in a sheet

c)

clumped together

21.

The secondary structure of a protein is amino acids

a)

placed end to end

b)

in sheets

c)

folded

22.

The tertiary and quaternary structure of a protein is amino acids

a)

placed end to end

b)

in sheets

c)

folded on top of each other/clumped

23.

When you change the shape or structure of a protein, you are actually _________________ the protein

a)

denaturing

b)

altering

c)

simplifying

d)

screwing it up

24.

What macromolecule group is this a picture of?

a)

carbohydrate

b)

lipids

c)

nucleic acid

d)

protein

25.

What part of the protein is always or can be different?

a)

H2N

b)

R group

c)

CHO2

26.

With the exception of glycogen and starch and a few other ones, sugars end in the suffix of

a)

ine

b)

ose

c)

end

d)

's

27.

What is this a picture of?

a)

monsaccharide

b)

polysaccharide

c)

oligosaccharide

d)

disaccharide

28.

This is a picture of what macromolecule group?

a)

protein

b)

lipid

c)

carbohydrate

d)

nucleic acid

29.

The monomer of a lipid is

a)

simple sugar

b)

nucelotide

c)

fatty acid tails and a glycerol head

d)

monosaccharide

30.

If the tail of a lipid is straight, it has lots of ____________ and is ___________________.

a)

nitrogen, unsaturated

b)

hydrogen, unsaturated

c)

carbon, saturated

d)

hydrogen, saturated

31.

Unsaturated fats have

a)

kinked tails

b)

straight tails

32.

Cholesterol provides what for our cell membranes?

a)

fluidity

b)

growth

c)

texture

d)

ability to stick together

33.

Nucleic acids examples include

a)

ATP

b)

DNA

c)

RNA

d)

All of these

34.

The function of nucleic acids is to make

a)

energy

b)

proteins

c)

cakes

d)

football plays on the field

35.

The monomer of a nucleic acid is

a)

nucleotide

b)

simple sugar

c)

amino acid

d)

glycerol and fatty acid tails

36.

DNA is

a)

single stranded

b)

double stranded

37.

DNA is found

a)

in the nucleus of the cell

b)

throughout the cell

c)

only in mitochondria

d)

in the ribosome

38.

What is this?

a)

amino acid

b)

nucleotide

c)

simple sugar

d)

no one knows

39.

There are ___________ different kinds of atoms

a)

110

b)

118

c)

119

d)

120

40.

The three subatomic particles include

a)

protons

b)

electrons

c)

neutrons

d)

goodtrons

41.

What subatomic particles are found in the nucleus of atom?

a)

protons and electrons

b)

protons and neutrons

c)

electrons and neutrons

d)

neutrons only

42.

Why are electrons not added into the weight of an atom?

a)

can't do the math for it

b)

they have never been seen before

c)

to light

d)

to heavy

43.

What subatomic particle has a neutral charge?

a)

protons

b)

electron

c)

neutrons

d)

all of the above

44.

The most common elements in the human body include

a)

N and O

b)

N and O and C

c)

N and O and C and H

d)

Gold

45.

An element has 14 electrons, 20 neutrons, and 14 protons, its total weight is

a)

34

b)

28

c)

6

d)

48

46.

The atomic number of an element tells you

a)

protons only

b)

electrons only

c)

neutrons only

d)

protons and electrons

47.

Gas changing to a liquid is called

a)

condensation

b)

sublimation

c)

freezing

d)

frost formation

48.

Solid to a liquid is called

a)

freezing

b)

sublimation

c)

melting

d)

condensation

49.

If you are a molecule and you are polar, what does that mean about you?

a)

you live with bears

b)

part of you is positive and part of you is negative

c)

you like other molecules that are different

d)

you like other molecules that are the same

50.

The attraction of molecules of the same substance is called

a)

polarity

b)

adhesion

c)

cohesion

d)

universal solven

51.

The attraction of molecules of different substances is called

a)

cohesion

b)

adhesion

c)

polarity

d)

universal solvent

52.

A substance having a high heat capacity means that

a)

takes just a small amount of energy to raise the temperature

b)

can hold a lot of heat

c)

can not hold a lot of heat

d)

takes a lot of energy to raise/lower the temperature

53.

Why is water called the universal solvent?

a)

It can't dissolve most anything

b)

it can dissolve most anything

c)

only dissolves polar molecules

d)

only dissolves nonpolar molecules

54.

The substance that is being dissolved is called the

a)

solute

b)

solvent

55.

The substance that is doing the dissolving is called the

a)

solvent

b)

solute

56.

A mixture of water and non dissolvable material is called a

a)

suspension

b)

solute

c)

solution

57.

The pH scale measures the concentration of hydrogen ions in a solution. The scale ranges from

a)

0-10

b)

0-20

c)

0-14

d)

1-10

58.

A pH between 0-6 is deemed

a)

acidic

b)

basic

59.

A neutral pH is ______. __________ ___________ is a substance that has this.

a)

7, pure water

b)

12, battery acid

c)

1, hydrochloric acid

d)

6, pure salt

60.

Soap and cleaning products are

a)

acidic

b)

basic

61.

A dehydration reaction

a)

adds water molecules

b)

takes water molecules away

62.

A polymer is (pick the correct answers)

a)

a huge molecule

b)

a small molecule

c)

composed of monomers

d)

have examples including carbs, lipids, nucleic acids, and proteins.

63.

Polymers are formed by

a)

polymerization

b)

monomerization

c)

both polymerization and monomerization

d)

none of the above

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