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BioChem Part 2

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.
What is the real purpose of saliva?
a)
Slows up digestion
b)
Speeds up digestion
c)
Makes better spitballs
d)
Prevents chapped lips
2.

The two types of nucleic acids are:

a)

Chlorophyll & Halitosis

b)

DNA & RNA

c)

Lipids & Sugars

d)

Glucose & Glycogen

3.
Which in NOT a Lipid?
a)
Saturated Fats
b)
Starch
c)
Cholesterol
d)
Earwax
4.
Which of the following is a large molecule of many simple sugars?
a)
Monosaccharide
b)
Disaccharide
c)
Polysaccharide
d)
Googlesaccharide
5.
Which of the following is a large molecule of one sugar?
a)
Monosaccharide
b)
Disasacchairde
c)
Polysaccharide
d)
Googlesaccharide
6.
Which of the following is a large molecule of two sugars?
a)
Monosaccharide
b)
Disasacchairde
c)
Polysaccharide
d)
Googlesaccharide
7.

Which process was involved in moving your paper boat?

a)

Cohesion

b)

Adhesion

c)

Gravity

d)

Capillary Action

8.
Ionic bonds form between molecules that have:
a)
Opposite charges
b)
The same charge
c)
No charge
d)
Neutral charges
9.
The two strands of a DNA molecule are held together by:
a)
Ionic bonds
b)
Strong hydrogen bonds
c)
Weak hydrogen bonds
d)
Glue
10.

A chemical formula shows the:

a)

# and kinds of bonds found in the molecule

b)

# and kinds of bonds found in the compound

c)

# and kinds of elements found in the compound

d)

real reason the chicken crossed the road

11.
A molecule shaped like a spiral staircase (double helix) is typical of:
a)
Deoxyribonucleic acid (DNA)
b)
Ribonucleic acid (RNA)
c)
Lipids
d)
Carbohydrates
12.
Which is NOT an important characteristic of water for living things?
a)
Surrounds all cells
b)
Is found inside cells
c)
Influences the shape of the cell membrane
d)
Water contains no nutrients
13.
Which of the following is an example of: A+B --> AB?
a)
Synthesis Reactions
b)
Decomposition Reactions
14.
Which of the following is an example of: AB --> A+B
a)
Synthesis Reactions
b)
Decomposition Reactions
15.

In the example of: (A+B-->AB) What are the reactants?

a)

A

b)

B

c)

AB

d)

A+B

16.

In the example of: (A+B-->AB) What is the product?

a)

A

b)

B

c)

AB

d)

A+B

17.

What kind of charge does an ion have?

a)

+

b)

-

c)

+ or -

d)

+ and -

18.

Why isn't adding a buffer (lime) a good idea to reduce acidity in lakes damaged from acid precipitation?

a)

It makes the fish taste funny

b)

It kills to many fish

c)

It is hard to get quality lime

d)

It is cheaper to prevent acid precipitation in the first place

19.
A substance that is composed of only one type of atom is called a(n)
a)
nucleus
b)
cell
c)
element
d)
molecule
20.

Which of the following are All Organic?

a)

CO2, O2, H2O, H2SO4

b)

O, O2, H2SO4, NaOH

c)

H2SO4, NH3, H2O, CO2

d)

CH4, C6H12O6, CO2, C

21.

Which of the following are All COMPOUNDS?

a)

CO2, O2, H2O, H2SO4

b)

O, O2, H2SO4, NaOH

c)

H2SO4, NH3, H2O, CO2

d)

CH4, C6H12O6, CO2, C

22.

Which of the following are All MOLECULES?

a)

CO2, O2, H2O, H2SO4

b)

O, O2, H2SO4, NaOH

c)

H2SO4, NH3, H2O, CO2

d)

CH4, C6H12O6, CO2, C

23.
Which of the following are All INORGANIC?
a)
CO2, O2, H2O, H2SO4
b)
O, O2, H2SO4, NaOH
c)
H2SO4, NH3, H2O, CO2
d)
CH4, C6H12O6, CO2, C
24.
Using the chemical formula; 3H2O, what is being represented?
a)
6 Hydrogen atoms & 3 Oxygen atoms
b)
3 Hydrogen atoms & 3 Oxygen atoms
c)
6 Hydrogen atoms & 6 Oxygen atoms
d)
3 Hydrogen atoms & 6 Oxygen atoms
25.
What part of MN is the most vulnerable to acid precipitation?
a)
Northwest
b)
Southwest
c)
Northeast
d)
Metro
26.

ATP (adenosine triphosphate) stores energy for cells to use in the bonds between its:

a)

Amino Acids

b)

Carbon Atoms

c)

Nucleotides

d)

Phosphates

27.
DNA stores
a)
Fat
b)
Carbohydrates
c)
Protein
d)
Heredity Information
28.
What do you get when you chemically combine; H+ and OH- ?
a)
Sugar
b)
Water 
c)
Oxygen
d)
Carbon
29.
All organic compounds contain the element:
a)
Carbon
b)
Nitrogen
c)
Calcium
d)
Sodium
30.
What do you call a molecule with - and + sides?
a)
Polar
b)
Non-polar
c)
A magnet
d)
A battery
31.

How can you make energy?

a)

During an electrical storm

b)

Wind generators

c)

Burning wood

d)

You can't make energy silly....

32.

Atoms are composed of:

a)

Protons

b)

Neutrons

c)

Electrons

d)

All of the above

33.

What holds the DNA strand together?

a)

Strong Hydrogen Bonds

b)

Weak Hydrogen Bonds

c)

Kryptonite

34.
What part of MN causes most of the acid precipitation?
a)
Northwest
b)
Southwest
c)
Northeast
d)
Metro
35.

Which of the following organic molecules are most closely related to proteins?

a)

Amino Acids

b)

Fatty Acids

c)

Nucleotides

d)

Sugars

36.

The bond formed when two atoms share a pair of electrons is called a(n)

a)

Hydrogen Bond

b)

Ionic Bond

c)

Covalent Bond

d)

James Bond

37.

When placed in the same container, oil & water do not mix because:

a)

They are both polar

b)

Water is polar and oil is nonpolar

c)

They are both nonpolar

d)

They are north polar

38.

Animals store glucose in the form of:

a)

Sucrose

b)

Glycogen

c)

Water

d)

Protein

39.

Which of the following is NOT a source of Carbohydrates?

a)

Chicken

b)

Pasta

c)

Fruit

d)

Vegetables

40.

Which of the following is NOT a source of Fat?

a)

Wax

b)

Fish Oil

c)

Lipid

d)

Cereal

41.

Which of the following is NOT an example of Protein?

a)

Milk

b)

Syrup

c)

Meat

d)

Nuts

42.

Which of the following organic molecules are classified as Carbohydrates?

a)

Amino Acids

b)

Fatty Acids

c)

Nucleotides

d)

Sugars

43.

We can charge and recharge ATP as long as we:

a)

Breathe

b)

Eat

c)

Breathe & Eat

d)

Walk

44.

In the example of: AB --> A+B; what are the Reactants?

a)

AB

b)

A+B

45.

In the example of: AB --> A+B; what are the Products?

a)

AB

b)

A+B

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