BIO 100- EXAM 1 COGBOOKS
QUESTIONS & ANSWERS (RATED A+)
What advantage do multicellular organism have over single-celled organisms? -
ANSWERCells can be specialized to perform specific functions in multicellular
organisms, and cells can be sacrificed for the good of the organisms as a whole.
Which of the following is an example of a response to a stimulus? - ANSWERA
flower closing its petals because of a sudden drop in air temperatures.
Daughter cells produced by mitosis ___ - ANSWERare genetically identical to the
parent cell
Besides growth, what must happen before a cell divides? - ANSWERDNA replication
The division of the cytoplasm following mitosis to form two new cells is called? -
ANSWERCytokinesis
Uncontrolled mitosis is called? - ANSWERCancer
Cancer is initiated by - ANSWERgene mutation
Which eukaryotic cell-cycle event is missing in binary fission? - ANSWERMitosis
What is a likely evolutionary advantage of sexual reproduction over asexual
reproduction? - ANSWERSexual reproduction results in greater variation in the
offspring.
Reduced leaves on a cacti allow for them to live in the desert. This is an example of
what characteristic of life? - ANSWERAdaptation
The overall purpose of the light-dependent reaction is to - ANSWERconvert light
energy into chemical energy
What energy molecule is produced during the light reactions and helps to power the
Calvin cycle? - ANSWERATP
Where is the chemical energy that is produced in the light dependent reaction, used
first in the plant? - ANSWERthe Calvin cycle, and the Light independent reaction
Why is the Calvin cycle important? - ANSWERIt produces sugar
, Why does the light dependent stage of photosynthesis require light? - ANSWERLight
energy energizes electrons in chlorophyll molecules, allowing an electron to break
off.
Which property of life is best illustrated by the ability of humans to maintain an
internal body temperature of approximately 98.6 degrees? - ANSWERHomeostasis
Offspring grow up to exhibit many of the same characteristics as their parents
because of the ___ they receive from their parents during reproduction. -
ANSWERDNA and Genes
The smallest unit of biological structure that meets the functional requirements of
"living" is the - ANSWERcell
Which of the following statements is false? - ANSWERCommunities exist within
populations which exist within ecosystems.
Which of the following sequences represents the hierarchy of biological organization
from the most complex to the least complex level? - ANSWERBiosphere, ecosystem,
community, population, organism
The great diversity of life on Earth is the result of - ANSWERevolution
Which of the following statements is false? - ANSWEROrganism placed in the same
genus are least closely related.
A suggested and testable explanation for an event is called a ___ -
ANSWERhypothesis
A thoroughly tested and confirmed explanation for observations or phenomena is
called ___ - ANSWERscientific theory
Faith is not science because it cannot be ___ - ANSWERtested, measured,
disproved, or observed.
Consider the following statement: "If all vertebrates have backbones, and snakes are
vertebrates, then snakes have backbones." This statement is an example of ___ -
ANSWERdeductive reasoning
The type of science that begins with a specific explanation that is then tested is
called ___ - ANSWERhypothesis-based science
To be scientifically valid, a hypothesis must be ___ - ANSWERtestable and
falsifiable
Which part of this scientific method example is the hypothesis? - ANSWERMy car is
out of gas.
A form of science that solves real-work problems is - ANSWERapplied science
QUESTIONS & ANSWERS (RATED A+)
What advantage do multicellular organism have over single-celled organisms? -
ANSWERCells can be specialized to perform specific functions in multicellular
organisms, and cells can be sacrificed for the good of the organisms as a whole.
Which of the following is an example of a response to a stimulus? - ANSWERA
flower closing its petals because of a sudden drop in air temperatures.
Daughter cells produced by mitosis ___ - ANSWERare genetically identical to the
parent cell
Besides growth, what must happen before a cell divides? - ANSWERDNA replication
The division of the cytoplasm following mitosis to form two new cells is called? -
ANSWERCytokinesis
Uncontrolled mitosis is called? - ANSWERCancer
Cancer is initiated by - ANSWERgene mutation
Which eukaryotic cell-cycle event is missing in binary fission? - ANSWERMitosis
What is a likely evolutionary advantage of sexual reproduction over asexual
reproduction? - ANSWERSexual reproduction results in greater variation in the
offspring.
Reduced leaves on a cacti allow for them to live in the desert. This is an example of
what characteristic of life? - ANSWERAdaptation
The overall purpose of the light-dependent reaction is to - ANSWERconvert light
energy into chemical energy
What energy molecule is produced during the light reactions and helps to power the
Calvin cycle? - ANSWERATP
Where is the chemical energy that is produced in the light dependent reaction, used
first in the plant? - ANSWERthe Calvin cycle, and the Light independent reaction
Why is the Calvin cycle important? - ANSWERIt produces sugar
, Why does the light dependent stage of photosynthesis require light? - ANSWERLight
energy energizes electrons in chlorophyll molecules, allowing an electron to break
off.
Which property of life is best illustrated by the ability of humans to maintain an
internal body temperature of approximately 98.6 degrees? - ANSWERHomeostasis
Offspring grow up to exhibit many of the same characteristics as their parents
because of the ___ they receive from their parents during reproduction. -
ANSWERDNA and Genes
The smallest unit of biological structure that meets the functional requirements of
"living" is the - ANSWERcell
Which of the following statements is false? - ANSWERCommunities exist within
populations which exist within ecosystems.
Which of the following sequences represents the hierarchy of biological organization
from the most complex to the least complex level? - ANSWERBiosphere, ecosystem,
community, population, organism
The great diversity of life on Earth is the result of - ANSWERevolution
Which of the following statements is false? - ANSWEROrganism placed in the same
genus are least closely related.
A suggested and testable explanation for an event is called a ___ -
ANSWERhypothesis
A thoroughly tested and confirmed explanation for observations or phenomena is
called ___ - ANSWERscientific theory
Faith is not science because it cannot be ___ - ANSWERtested, measured,
disproved, or observed.
Consider the following statement: "If all vertebrates have backbones, and snakes are
vertebrates, then snakes have backbones." This statement is an example of ___ -
ANSWERdeductive reasoning
The type of science that begins with a specific explanation that is then tested is
called ___ - ANSWERhypothesis-based science
To be scientifically valid, a hypothesis must be ___ - ANSWERtestable and
falsifiable
Which part of this scientific method example is the hypothesis? - ANSWERMy car is
out of gas.
A form of science that solves real-work problems is - ANSWERapplied science
