BIO101: Introduction to Molecular and
Cellular Biology - Saylor Academy Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
What do all living things need in a. Energy
order to perform biological
processes and chemical
reactions?
a. Energy
b. Mobility
c. Sunlight
d. Water
Which of the following levels of a. Biosphere
organization of life is the largest?
a. Biosphere
b. Population
c. Ecosystem
d. Organism
In the scientific method, the d. Testable
hypothesis must be which of the
following?
a. Correct
b. Flexible
c. Open-ended
d. Testable
,Which of the following terms b. Atomic mass
describes the sum of the neutrons
and protons in the atomic
structure?
a. Atomic charge
b. Atomic mass
c. Atomic number
d. Atomic structure
What occurs when ionic bonds are b. There is attraction between a positive
formed? and a
a. Atoms in the bond share negative ion
electrons
b. There is attraction between a
positive and a negative ion
c. Molecules that are close
together
exhibit fluctuating polarization
d. A positively charged anion
bonds
with a negatively charged cation
A lawnmower filled with gasoline d. Potential
and a car sitting on a steep hill
both
have a large amount of what kind
of
energy?
a. Active
b. Kinetic
c. Torque
d. Potential
, Why does the polar nature of a. Its high specific heat capacity helps it
water regulate
make it important for sustaining body temperature.
life?
a. Its low specific heat capacity
helps
it regulate body temperature.
b. Its low surface tension affects
its
fluidity and ability to support
pressure
c. It dissolves many biomolecules
which is important for cellular
activities
d. Its low heat of vaporization
helps
remove heat from organisms'
surfaces
Which substance is considered to c. NaOH
be
a strong base when completely
ionized in solution?
a. HCI
b.NaCI
c. NaOH
d. H2CO3
Cellular Biology - Saylor Academy Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
What do all living things need in a. Energy
order to perform biological
processes and chemical
reactions?
a. Energy
b. Mobility
c. Sunlight
d. Water
Which of the following levels of a. Biosphere
organization of life is the largest?
a. Biosphere
b. Population
c. Ecosystem
d. Organism
In the scientific method, the d. Testable
hypothesis must be which of the
following?
a. Correct
b. Flexible
c. Open-ended
d. Testable
,Which of the following terms b. Atomic mass
describes the sum of the neutrons
and protons in the atomic
structure?
a. Atomic charge
b. Atomic mass
c. Atomic number
d. Atomic structure
What occurs when ionic bonds are b. There is attraction between a positive
formed? and a
a. Atoms in the bond share negative ion
electrons
b. There is attraction between a
positive and a negative ion
c. Molecules that are close
together
exhibit fluctuating polarization
d. A positively charged anion
bonds
with a negatively charged cation
A lawnmower filled with gasoline d. Potential
and a car sitting on a steep hill
both
have a large amount of what kind
of
energy?
a. Active
b. Kinetic
c. Torque
d. Potential
, Why does the polar nature of a. Its high specific heat capacity helps it
water regulate
make it important for sustaining body temperature.
life?
a. Its low specific heat capacity
helps
it regulate body temperature.
b. Its low surface tension affects
its
fluidity and ability to support
pressure
c. It dissolves many biomolecules
which is important for cellular
activities
d. Its low heat of vaporization
helps
remove heat from organisms'
surfaces
Which substance is considered to c. NaOH
be
a strong base when completely
ionized in solution?
a. HCI
b.NaCI
c. NaOH
d. H2CO3
