BIO 1201 FINAL EXAM [COMPLETE CHAPTERS 1-18]

1


BIO 1201 FINAL EXAM
[COMPLETE CHAPTERS 1-18]

NEWLY FORMATTED DOCUMENT




CUMULATIVE A) Carbon, hydrogen, oxygen, and nitrogen

CHAPTER 1: The Chemical
Context of Life


Which four elements make
up approximately 96% of
living matter?


A) Carbon, hydrogen,
oxygen, and nitrogen
B) Sodium, potassium,
calcium, and iron
C) Water, oxygen,
carbon dioxide, and
salt
D) Calcium,
phosphorus,
potassium, and
sulfur

,2

What is the atomic A) The number of protons
number of an element?


A) The number of protons
B) The number of neutrons

C) The sum of protons

and neutrons
D) The number of valence

electrons
See an expert-written answer

How do isotopes of an C) In their number of neutrons
element differ?


A) In their number of protons
B) In their number of electrons

C) In their number of
neutrons
D) In their atomic number

See an expert-written answer

What type of bond involves C) Covalent bond
the sharing of electrons
between atoms?


A) lonic bond
B) Hydrogen bond

C) Covalent bond

D) Van der Waals interaction

, 3


A hydrogen bond can B) The hydrogen of one molecule and an
form between: electronegative atom of another


A) Two hydrogens in the
same molecule
B) The hydrogen of
one molecule and
an
electronegative atom of
another
C) Two carbon atoms

D) Two positively charged
ions
CHAPTER 3: Water and Life C) Surface tension

Which property of water is
most directly responsible
for the ability of insects to
walk on water?


A) Specific heat
B) Adhesion

C) Surface tension

D) Heat of vaporization

Water's high specific heat C) Stabilize ocean temperatures
helps to:


A) Dissolve all substances
B) Buffer pH in cells

C) Stabilize ocean
temperatures
D) Heat quickly for
enzyme activity