Bio 189-UNLV Final Exam Questions
with Complete Answers.
What is the scientific process? - Answer Observations, question, hypothesis, prediction, and
test
Hypothesis - Answer A testable prediction, often implied by a theory
A hypothesis is ________________ and written so that it could be found incorrect by an
observation or experiment - Answer Falsifiable
Is this a hypothesis: cats live fish more than dogs love fish? - Answer No because it is now
testable
Is this a hypothesis? Why?: big foot lives in north dakota - Answer No because it is not
tesable
Is this a hypothesis: all swans are white - Answer Yes because it is testable
What are the five functional traits of all living things? - Answer Grow, sense/response to
stimuli, metabolism, homeostasis, reproduction
The smallest unit of life - Answer Cells
The ____________ is the fundamental unit of matter - Answer Atom
Electrons - Answer Negatively charged subatomic particles
Proton - Answer A subatomic particle that has a positive charge
Neutron - Answer Subatomic particle with no charge
An atom has the same number of... - Answer Protons and electrons
atomic number - Answer the number of protons in the nucleus of an atom
, number of protons - Answer atomic number
Number of protons and neutrons - Answer Atomic mass
An elements ___________________ is calculated by adding the number of protons and number
of neutrons - Answer Atomic mass
Isotopes - Answer Atoms with the same number of protons but different numbers of
neutrons
Hydrogen is an example of an _______________. - Answer Isotope
non-polar covalent bond - Answer equal sharing of electrons
polar covalent bond - Answer unequal sharing of electron species
H2O is an example of a - Answer Polar covalent bond
ionic bonds - Answer formed when one or more electrons are transferred from one atom to
another
NaCl is an example of a - Answer Ionic bond
Why is h2O polar and CH4 nonpolar? - Answer Molecular polarity determines how a
molecule behaves
__________ have Carbon based backbones and at least one Carbon-Hydrogen bond - Answer
Organic molecules
____________ lack carbon-based backbones and carbon-hydrogen bonds - Answer Inorganic
molecule
C6H12O6 is what type of molecule? - Answer Organic
CO2 is what type of molecule? - Answer Inorganic
with Complete Answers.
What is the scientific process? - Answer Observations, question, hypothesis, prediction, and
test
Hypothesis - Answer A testable prediction, often implied by a theory
A hypothesis is ________________ and written so that it could be found incorrect by an
observation or experiment - Answer Falsifiable
Is this a hypothesis: cats live fish more than dogs love fish? - Answer No because it is now
testable
Is this a hypothesis? Why?: big foot lives in north dakota - Answer No because it is not
tesable
Is this a hypothesis: all swans are white - Answer Yes because it is testable
What are the five functional traits of all living things? - Answer Grow, sense/response to
stimuli, metabolism, homeostasis, reproduction
The smallest unit of life - Answer Cells
The ____________ is the fundamental unit of matter - Answer Atom
Electrons - Answer Negatively charged subatomic particles
Proton - Answer A subatomic particle that has a positive charge
Neutron - Answer Subatomic particle with no charge
An atom has the same number of... - Answer Protons and electrons
atomic number - Answer the number of protons in the nucleus of an atom
, number of protons - Answer atomic number
Number of protons and neutrons - Answer Atomic mass
An elements ___________________ is calculated by adding the number of protons and number
of neutrons - Answer Atomic mass
Isotopes - Answer Atoms with the same number of protons but different numbers of
neutrons
Hydrogen is an example of an _______________. - Answer Isotope
non-polar covalent bond - Answer equal sharing of electrons
polar covalent bond - Answer unequal sharing of electron species
H2O is an example of a - Answer Polar covalent bond
ionic bonds - Answer formed when one or more electrons are transferred from one atom to
another
NaCl is an example of a - Answer Ionic bond
Why is h2O polar and CH4 nonpolar? - Answer Molecular polarity determines how a
molecule behaves
__________ have Carbon based backbones and at least one Carbon-Hydrogen bond - Answer
Organic molecules
____________ lack carbon-based backbones and carbon-hydrogen bonds - Answer Inorganic
molecule
C6H12O6 is what type of molecule? - Answer Organic
CO2 is what type of molecule? - Answer Inorganic
