What is Biology? - (answer)the scientific study of life
Science is - (answer)the inquiry-based effort to describe and explain nature
A hypothesis is a(n) - (answer)a proposed explanation for a set of observations
How do hypotheses differ from theories? - (answer)Theories are more comprehensive
than hypotheses
Which sequence shows the steps of the process of science in an order in which they
might occur? - (answer)Exploration, hypothesis, prediction, experiment
Which function is not a property of life? - (answer)Populations of organisms rarely
change over time
What are the two main processes upon which ecosystems depend? - (answer)Nutrient
recycling and energy flow
Which structure can perform all activities required for life? - (answer)Cells
What name is given to the functional compartments of a cell? - (answer)Organelles
What is a gene? (Exam 1) - (answer)A unit of inheritance
Which concept was purposed by Darwin? - (answer)Natural selection
Which of these is required for natural selection to occur?
a.) Inheritance
b.) Unequal reproductive success
c.) Individual variation
d.) All of the answers are correct - (answer)All of the answers are correct
What does "adaption" mean in an evolutionary context? - (answer)The accumulation of
favorable variations in a population over time
What process accounts for the different breeds of domesticated dogs? -
(answer)Artificial selection
Over a span of two decades in the 1900s, scientists measured changes in the beak size
of a population of Galapagos ground finches. This data could provide_______. -
(answer)Evidence of natural selection in action
Antibiotic resistance evolves in bacteria when_____. - (answer)The presence of
antibiotics favors bacteria that already have genes for resistance
,How can radiation be controlled and safely used in medicine? - (answer)Apply radiation
to specific parts of the body at controlled doses
_____ is an example of an element. - (answer)Nitrogen
What are the four most common elements found in living organisms? - (answer)Carbon,
Oxygen, Nitrogen, and Hydrogen
In order to have a positive charge, an atom must have_____? - (answer)More protons
than electrons
All atoms of an element have the same number of_____? - (answer)Protons
An atom's _____ are found in its nucleus? - (answer)Protons and Neutrons
Isotopes have the same number of ____ and different numbers of_____. -
(answer)Protons; Neutrons
Consider the following reaction. What type of bond is holding the two atoms together?
K + Br ----> K+ + Br- ----> KBr - (answer)Ionic
What name is given to bonds that involve the sharing of electrons? - (answer)Covalent
Why is water considered a polar molecule? - (answer)The oxygen end of the molecule
has a slight negative charge, and the hydrogen end has a slight positive charge
Adjacent water molecules interact with one another via _____ bonds. -
(answer)Hydrogen
Some tiny insect are able to walk on water. Why? - (answer)The surface tension that is
a result of water's cohesive properties makes this possible
As water freezes, _____. - (answer)Its molecules move farther apart
Which of the following is an acid? - (answer)HCl
The lower the pH of a solution, the _____. - (answer)more acidic the solution
What name is given to substances that resist changes in pH? - (answer)Buffers
All of the following are potential negative impacts of ocean acidification except one.
Choose the exception.
a.) decreasing H+ concentrations
b.) coral bleaching
,c.) changes in metabolism of marine animals
d.) increasing carbonic acid concentrations - (answer)a.) decreasing H+ concentrations
A single carbon atom can form a maximum of ______ covalent bond(s). - (answer)4
The molecule CH3-CH2-CH2-CH2-CH2-CH2-CH3 is best described as a(n)______. -
(answer)Organic compound
______ is a hydroxyl group. - (answer)-OH
What name is given to this reaction:
galactose+glucose---> lactose+water - (answer)Dehydration
What name is given to the following reaction?
sucrose+water ---> glucose+fructose - (answer)Hydrolysis
Carbohydrates typically include ____. - (answer)C, H, and O atoms
Which molecules listen below are isomers? - (answer)Glucose and fructose
monosaccharide + monosaccharide ---> ____ + water - (answer)disaccharide
Plants use which molecule as an energy-storing carbohydrate? - (answer)Starch
Cellulose is an example of a _____. - (answer)Polysaccharide
A fat contains which molecular components? - (answer)Three fatty acids and one
glycerol molecule
Saturated fats are saturated with ____. - (answer)Hydrogen
Be definition, what type of fatty acid has double bonds? - (answer)Unsaturated
A fat that is completely hydrogenated would be _____. - (answer)Saturated and solid at
room temperature
Proteins are polymers constructed from ____ monomers. - (answer)Amino acid
A protein's function is dependent on environmental factors such as pH and
temperatures. What property of the protein itself dictates a protein's function? -
(answer)Shape
DNA nucleotides include ____. - (answer)Thymine, guanine, adenine, and cytosine
, GENERAL BIOLOGY FINAL EXAM QUESTIONS AND ANSWERS
2024/2025 252 QUESTIONS AND CORRECT ANSWERS 100% VERIFIED
GRADED A+
If one strand of a DNA double helix has the sequence GACGTCA, what will be the
sequence of the other strand? - (answer)CTGCAGT
How does RNA differ from DNA? - (answer)RNA contains uracil; DNA contains thymine.
Plants are susceptible to bacterial infections, which can damage their structure or even
kill them. Which would be the best antibiotic to treat a plant that is infected with
bacteria? - (answer)A drug that blocks gene expression in circular chromosomes
When using a microscope to view cells you obtained from scraping under your
fingernails, you notice that the cells lack nuclei; therefore, you conclude that the cells
must be a type of ______ cell. - (answer)Prokaryotic
One difference between eukaryotic cells and prokaryotic cells is that eukaryotic
cells________ prokaryotic cells. - (answer)Have membrane-enclosed structures called
organelles, which are lacking in
In eukaryotic cells, what name is given to the region that surrounds organelles but is not
found inside the nucleus? - (answer)Cytoplasm
You find a cell of a type you have never seen before. The cell has both a nucleus and a
cell wall. Therefore, you conclude that it must be a ______ cell. - (answer)Plant
Which is a function of the plasma membrane? - (answer)Regulate traffic of chemicals in
and out of the cell
______ are the major lipids of plasma membranes. - (answer)Phospholipids
The concept of a membrane as a fluid mosaic reflects the ability of_______. -
(answer)Phospholipids and most protein to drift about in the plane of the membrane.
The extracellular matrix of animal cells ______. - (answer)Protects and support cells
What is a gene? (Exam 2) - (answer)A portion of DNA that contains information to
produce a protein
The nuclear envelope is composed of ______. - (answer)A double membrane
The structural combination of DNA and protein forms ______. - (answer)Chromatin
Most human cells contain ______ chromosomes. - (answer)46
Science is - (answer)the inquiry-based effort to describe and explain nature
A hypothesis is a(n) - (answer)a proposed explanation for a set of observations
How do hypotheses differ from theories? - (answer)Theories are more comprehensive
than hypotheses
Which sequence shows the steps of the process of science in an order in which they
might occur? - (answer)Exploration, hypothesis, prediction, experiment
Which function is not a property of life? - (answer)Populations of organisms rarely
change over time
What are the two main processes upon which ecosystems depend? - (answer)Nutrient
recycling and energy flow
Which structure can perform all activities required for life? - (answer)Cells
What name is given to the functional compartments of a cell? - (answer)Organelles
What is a gene? (Exam 1) - (answer)A unit of inheritance
Which concept was purposed by Darwin? - (answer)Natural selection
Which of these is required for natural selection to occur?
a.) Inheritance
b.) Unequal reproductive success
c.) Individual variation
d.) All of the answers are correct - (answer)All of the answers are correct
What does "adaption" mean in an evolutionary context? - (answer)The accumulation of
favorable variations in a population over time
What process accounts for the different breeds of domesticated dogs? -
(answer)Artificial selection
Over a span of two decades in the 1900s, scientists measured changes in the beak size
of a population of Galapagos ground finches. This data could provide_______. -
(answer)Evidence of natural selection in action
Antibiotic resistance evolves in bacteria when_____. - (answer)The presence of
antibiotics favors bacteria that already have genes for resistance
,How can radiation be controlled and safely used in medicine? - (answer)Apply radiation
to specific parts of the body at controlled doses
_____ is an example of an element. - (answer)Nitrogen
What are the four most common elements found in living organisms? - (answer)Carbon,
Oxygen, Nitrogen, and Hydrogen
In order to have a positive charge, an atom must have_____? - (answer)More protons
than electrons
All atoms of an element have the same number of_____? - (answer)Protons
An atom's _____ are found in its nucleus? - (answer)Protons and Neutrons
Isotopes have the same number of ____ and different numbers of_____. -
(answer)Protons; Neutrons
Consider the following reaction. What type of bond is holding the two atoms together?
K + Br ----> K+ + Br- ----> KBr - (answer)Ionic
What name is given to bonds that involve the sharing of electrons? - (answer)Covalent
Why is water considered a polar molecule? - (answer)The oxygen end of the molecule
has a slight negative charge, and the hydrogen end has a slight positive charge
Adjacent water molecules interact with one another via _____ bonds. -
(answer)Hydrogen
Some tiny insect are able to walk on water. Why? - (answer)The surface tension that is
a result of water's cohesive properties makes this possible
As water freezes, _____. - (answer)Its molecules move farther apart
Which of the following is an acid? - (answer)HCl
The lower the pH of a solution, the _____. - (answer)more acidic the solution
What name is given to substances that resist changes in pH? - (answer)Buffers
All of the following are potential negative impacts of ocean acidification except one.
Choose the exception.
a.) decreasing H+ concentrations
b.) coral bleaching
,c.) changes in metabolism of marine animals
d.) increasing carbonic acid concentrations - (answer)a.) decreasing H+ concentrations
A single carbon atom can form a maximum of ______ covalent bond(s). - (answer)4
The molecule CH3-CH2-CH2-CH2-CH2-CH2-CH3 is best described as a(n)______. -
(answer)Organic compound
______ is a hydroxyl group. - (answer)-OH
What name is given to this reaction:
galactose+glucose---> lactose+water - (answer)Dehydration
What name is given to the following reaction?
sucrose+water ---> glucose+fructose - (answer)Hydrolysis
Carbohydrates typically include ____. - (answer)C, H, and O atoms
Which molecules listen below are isomers? - (answer)Glucose and fructose
monosaccharide + monosaccharide ---> ____ + water - (answer)disaccharide
Plants use which molecule as an energy-storing carbohydrate? - (answer)Starch
Cellulose is an example of a _____. - (answer)Polysaccharide
A fat contains which molecular components? - (answer)Three fatty acids and one
glycerol molecule
Saturated fats are saturated with ____. - (answer)Hydrogen
Be definition, what type of fatty acid has double bonds? - (answer)Unsaturated
A fat that is completely hydrogenated would be _____. - (answer)Saturated and solid at
room temperature
Proteins are polymers constructed from ____ monomers. - (answer)Amino acid
A protein's function is dependent on environmental factors such as pH and
temperatures. What property of the protein itself dictates a protein's function? -
(answer)Shape
DNA nucleotides include ____. - (answer)Thymine, guanine, adenine, and cytosine
, GENERAL BIOLOGY FINAL EXAM QUESTIONS AND ANSWERS
2024/2025 252 QUESTIONS AND CORRECT ANSWERS 100% VERIFIED
GRADED A+
If one strand of a DNA double helix has the sequence GACGTCA, what will be the
sequence of the other strand? - (answer)CTGCAGT
How does RNA differ from DNA? - (answer)RNA contains uracil; DNA contains thymine.
Plants are susceptible to bacterial infections, which can damage their structure or even
kill them. Which would be the best antibiotic to treat a plant that is infected with
bacteria? - (answer)A drug that blocks gene expression in circular chromosomes
When using a microscope to view cells you obtained from scraping under your
fingernails, you notice that the cells lack nuclei; therefore, you conclude that the cells
must be a type of ______ cell. - (answer)Prokaryotic
One difference between eukaryotic cells and prokaryotic cells is that eukaryotic
cells________ prokaryotic cells. - (answer)Have membrane-enclosed structures called
organelles, which are lacking in
In eukaryotic cells, what name is given to the region that surrounds organelles but is not
found inside the nucleus? - (answer)Cytoplasm
You find a cell of a type you have never seen before. The cell has both a nucleus and a
cell wall. Therefore, you conclude that it must be a ______ cell. - (answer)Plant
Which is a function of the plasma membrane? - (answer)Regulate traffic of chemicals in
and out of the cell
______ are the major lipids of plasma membranes. - (answer)Phospholipids
The concept of a membrane as a fluid mosaic reflects the ability of_______. -
(answer)Phospholipids and most protein to drift about in the plane of the membrane.
The extracellular matrix of animal cells ______. - (answer)Protects and support cells
What is a gene? (Exam 2) - (answer)A portion of DNA that contains information to
produce a protein
The nuclear envelope is composed of ______. - (answer)A double membrane
The structural combination of DNA and protein forms ______. - (answer)Chromatin
Most human cells contain ______ chromosomes. - (answer)46
