BIO 1050 UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS COMPLETE
STUDY GUIDE
●● Someone brings you an unidentified item that has not been described
by scientists yet. According to cell theory, what could you examine to
determine if this item was alive?
Answer: Whether the item was composed of cells
●● A hypothetical study examined the possible link between thimerosal
(a preservative in some MMR vaccines) and an increased risk of
developing autism. This study had a group of 1000 children. Half (500)
of the children were randomly selected to receive a MMR vaccine that
included thimerosal and the other half (500) of the children were
randomly selected to receive a MMR vaccine that did not include the
preservative thimerosal. All 1000 children were monitored until the age
of 6 and investigators recorded the number of children who developed
autism.
They discovered that the same number of children developed autism in
the group that received the vaccine without thimerosal as in the group
that received the vaccine with thimerosal. What is the next step after
receiving these results?
Answer: You have rejected the hypothesis that thimerosal causes autism;
new hypotheses should be developed and tested to explain the cause of
autism.
,●● True or False
All cells are surrounded by a cell wall.
Answer: False
●● You woke up today and read "you are what your grandparents
feared!!". The news article referred to a single study based on a total of 2
rats, 1 of which received fear stimulation by electrocution. The
researchers then followed up till the grandoffspring generation and
reported that 3 grandoffspring pups showed the same anxious behavior
when touched by the same deactivated electric rod despite never seeing
it before. This report:
Answer: Did Not report proper controls
●● True or False
All eukaryotes are multicellular.
Answer: False
●● Our livers are responsible for processing particular drugs we take.
Therefore we would expect the liver to have lots of _______ . Increasing
the amount of this particular cell organelle is what sometimes causes
people to build up a tolerance to drugs, requiring them to take ever
increasing quantities of the drug to feel the same effect.
Answer: Smooth endoplasmic reticulum
, ●● Sperm are able to move largely due to their _____.
Answer: Cytoskeleton
●● During endocytosis, particles are transported ____ the cell within a
_____ .
Answer: into, vesicle
●● A hypothetical study examined the possible link between thimerosal
(a preservative in some MMR vaccines) and an increased risk of
developing autism. This study had a group of 1000 children. Half (500)
of the children were randomly selected to receive a MMR vaccine that
included thimerosal and the other half (500) of the children were
randomly selected to receive a MMR vaccine that did not include the
preservative thimerosal. All 1000 children were monitored until the age
of 6 and investigators recorded the number of children who developed
autism. What is the independent variable in this experiment?
Answer: The presence/absence of thimerosal in the MMR Vaccine
●● Plant parts that contain a lot of poisonous materials to protect them
from being eaten by animals would have many _____ .
Answer: Vacuoles
●● Rough Endoplasmic Reticulum
Answer: folds and packages proteins for shipping
AND CORRECT ANSWERS COMPLETE
STUDY GUIDE
●● Someone brings you an unidentified item that has not been described
by scientists yet. According to cell theory, what could you examine to
determine if this item was alive?
Answer: Whether the item was composed of cells
●● A hypothetical study examined the possible link between thimerosal
(a preservative in some MMR vaccines) and an increased risk of
developing autism. This study had a group of 1000 children. Half (500)
of the children were randomly selected to receive a MMR vaccine that
included thimerosal and the other half (500) of the children were
randomly selected to receive a MMR vaccine that did not include the
preservative thimerosal. All 1000 children were monitored until the age
of 6 and investigators recorded the number of children who developed
autism.
They discovered that the same number of children developed autism in
the group that received the vaccine without thimerosal as in the group
that received the vaccine with thimerosal. What is the next step after
receiving these results?
Answer: You have rejected the hypothesis that thimerosal causes autism;
new hypotheses should be developed and tested to explain the cause of
autism.
,●● True or False
All cells are surrounded by a cell wall.
Answer: False
●● You woke up today and read "you are what your grandparents
feared!!". The news article referred to a single study based on a total of 2
rats, 1 of which received fear stimulation by electrocution. The
researchers then followed up till the grandoffspring generation and
reported that 3 grandoffspring pups showed the same anxious behavior
when touched by the same deactivated electric rod despite never seeing
it before. This report:
Answer: Did Not report proper controls
●● True or False
All eukaryotes are multicellular.
Answer: False
●● Our livers are responsible for processing particular drugs we take.
Therefore we would expect the liver to have lots of _______ . Increasing
the amount of this particular cell organelle is what sometimes causes
people to build up a tolerance to drugs, requiring them to take ever
increasing quantities of the drug to feel the same effect.
Answer: Smooth endoplasmic reticulum
, ●● Sperm are able to move largely due to their _____.
Answer: Cytoskeleton
●● During endocytosis, particles are transported ____ the cell within a
_____ .
Answer: into, vesicle
●● A hypothetical study examined the possible link between thimerosal
(a preservative in some MMR vaccines) and an increased risk of
developing autism. This study had a group of 1000 children. Half (500)
of the children were randomly selected to receive a MMR vaccine that
included thimerosal and the other half (500) of the children were
randomly selected to receive a MMR vaccine that did not include the
preservative thimerosal. All 1000 children were monitored until the age
of 6 and investigators recorded the number of children who developed
autism. What is the independent variable in this experiment?
Answer: The presence/absence of thimerosal in the MMR Vaccine
●● Plant parts that contain a lot of poisonous materials to protect them
from being eaten by animals would have many _____ .
Answer: Vacuoles
●● Rough Endoplasmic Reticulum
Answer: folds and packages proteins for shipping
