UNLV Bio 189 Final Exam Questions With
Correct Answers
What is the scientific process? - CORRECT ANSWER✔✔-Observations,
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question, hypothesis, prediction, and test
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Hypothesis - CORRECT ANSWER✔✔-A testable prediction, often implied
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by a theory
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A hypothesis is ________________ and written so that it could be found
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incorrect by an observation or experiment - CORRECT ANSWER✔✔-
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Falsifiable
Is this a hypothesis: cats live fish more than dogs love fish? - CORRECT
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ANSWER✔✔-No because it is now testable | | | | |
Is this a hypothesis? Why?: big foot lives in north dakota - CORRECT
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ANSWER✔✔-No because it is not tesable | | | | |
Is this a hypothesis: all swans are white - CORRECT ANSWER✔✔-Yes
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because it is testable | | |
,What are the five functional traits of all living things? - CORRECT
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ANSWER✔✔-Grow, sense/response to stimuli, metabolism, | | | | |
homeostasis, reproduction |
The smallest unit of life - CORRECT ANSWER✔✔-Cells
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The ____________ is the fundamental unit of matter - CORRECT
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ANSWER✔✔-Atom
Electrons - CORRECT ANSWER✔✔-Negatively charged subatomic
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particles
Proton - CORRECT ANSWER✔✔-A subatomic particle that has a positive
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charge
Neutron - CORRECT ANSWER✔✔-Subatomic particle with no charge
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An atom has the same number of... - CORRECT ANSWER✔✔-Protons
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and electrons
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atomic number - CORRECT ANSWER✔✔-the number of protons in the
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nucleus of an atom | | |
, number of protons - CORRECT ANSWER✔✔-atomic number
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Number of protons and neutrons - CORRECT ANSWER✔✔-Atomic mass
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An elements ___________________ is calculated by adding the number
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of protons and number of neutrons - CORRECT ANSWER✔✔-Atomic
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mass
Isotopes - CORRECT ANSWER✔✔-Atoms with the same number of
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protons but different numbers of neutrons
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Hydrogen is an example of an _______________. - CORRECT
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ANSWER✔✔-Isotope
non-polar covalent bond - CORRECT ANSWER✔✔-equal sharing of
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electrons
polar covalent bond - CORRECT ANSWER✔✔-unequal sharing of
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electron species |
H2O is an example of a - CORRECT ANSWER✔✔-Polar covalent bond
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Correct Answers
What is the scientific process? - CORRECT ANSWER✔✔-Observations,
| | | | | | | |
question, hypothesis, prediction, and test
| | | |
Hypothesis - CORRECT 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 - CORRECT ANSWER✔✔-
| | | | | | | | |
Falsifiable
Is this a hypothesis: cats live fish more than dogs love fish? - CORRECT
| | | | | | | | | | | | | |
ANSWER✔✔-No because it is now testable | | | | |
Is this a hypothesis? Why?: big foot lives in north dakota - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-No because it is not tesable | | | | |
Is this a hypothesis: all swans are white - CORRECT ANSWER✔✔-Yes
| | | | | | | | | | |
because it is testable | | |
,What are the five functional traits of all living things? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Grow, sense/response to stimuli, metabolism, | | | | |
homeostasis, reproduction |
The smallest unit of life - CORRECT ANSWER✔✔-Cells
| | | | | | |
The ____________ is the fundamental unit of matter - CORRECT
| | | | | | | | | |
ANSWER✔✔-Atom
Electrons - CORRECT ANSWER✔✔-Negatively charged subatomic
| | | | | |
particles
Proton - CORRECT ANSWER✔✔-A subatomic particle that has a positive
| | | | | | | | | |
charge
Neutron - CORRECT ANSWER✔✔-Subatomic particle with no charge
| | | | | | |
An atom has the same number of... - CORRECT ANSWER✔✔-Protons
| | | | | | | | | |
and electrons
|
atomic number - CORRECT ANSWER✔✔-the number of protons in the
| | | | | | | | | |
nucleus of an atom | | |
, number of protons - CORRECT ANSWER✔✔-atomic number
| | | | | |
Number of protons and neutrons - CORRECT ANSWER✔✔-Atomic mass
| | | | | | | |
An elements ___________________ is calculated by adding the number
| | | | | | | |
of protons and number of neutrons - CORRECT ANSWER✔✔-Atomic
| | | | | | | | | |
mass
Isotopes - CORRECT ANSWER✔✔-Atoms with the same number of
| | | | | | | | |
protons but different numbers of neutrons
| | | | |
Hydrogen is an example of an _______________. - CORRECT
| | | | | | | | |
ANSWER✔✔-Isotope
non-polar covalent bond - CORRECT ANSWER✔✔-equal sharing of
| | | | | | | |
electrons
polar covalent bond - CORRECT ANSWER✔✔-unequal sharing of
| | | | | | | |
electron species |
H2O is an example of a - CORRECT ANSWER✔✔-Polar covalent bond
| | | | | | | | | |
