UNLV BIO 189 FINAL EXAM CORRECT
QUESTIONS & 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
Polymers - ANSWER Chains of monomers
What is the monomer of proteins? - ANSWER Amino acids
What is the monomer of nucleic acids? - ANSWER Nucleotides
What are disaccharides? - ANSWER Disaccharides are double sugars joined by a
covalent bond.
Disaccharide examples - ANSWER Sucrose, maltose, lactose
Polysaccharides - ANSWER Carbohydrates that are made up of more than two
monosaccharides
Polysaccharide examples - ANSWER Starch, glycogen, cell
Lipids monomer - ANSWER Glycerol and fatty acids
lipids are hydrophobic or hydrophilic? - ANSWER hydrophobic
What is a solute? - ANSWER The substance being dissolved
What is a solvent? - ANSWER The dissolving agent
Cohesion - ANSWER Water molecules stick together
Adhesion - ANSWER Water sticks to other things
What macromolecule makes up the majority of the cell membrane? - ANSWER Lipids
What are the macronutrients? - ANSWER Carbohydrates, proteins, fats
Cells are the fundamental units of life
All living things are composed of cells
QUESTIONS & 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
Polymers - ANSWER Chains of monomers
What is the monomer of proteins? - ANSWER Amino acids
What is the monomer of nucleic acids? - ANSWER Nucleotides
What are disaccharides? - ANSWER Disaccharides are double sugars joined by a
covalent bond.
Disaccharide examples - ANSWER Sucrose, maltose, lactose
Polysaccharides - ANSWER Carbohydrates that are made up of more than two
monosaccharides
Polysaccharide examples - ANSWER Starch, glycogen, cell
Lipids monomer - ANSWER Glycerol and fatty acids
lipids are hydrophobic or hydrophilic? - ANSWER hydrophobic
What is a solute? - ANSWER The substance being dissolved
What is a solvent? - ANSWER The dissolving agent
Cohesion - ANSWER Water molecules stick together
Adhesion - ANSWER Water sticks to other things
What macromolecule makes up the majority of the cell membrane? - ANSWER Lipids
What are the macronutrients? - ANSWER Carbohydrates, proteins, fats
Cells are the fundamental units of life
All living things are composed of cells
