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Biology 100 Questions and Correct
Answers/ Latest Update / Already
Graded
Which is a scientific hypothesis
Ans: Regular excerise may reduce our risk of catching cold
In order to eliminate subject bias, a ______ is given to the control
group subject
Ans: Placebo
Which of the following is NOT an example of convergent evolution?
Ans: The bats wing and human arm
Which of the following statements would be true of two species that
have descended from the same common ancestor
Ans: Those species will have homologous structures
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Which of the following is the most reliable way to test evolutionary
relationship among living organisms
Ans: Analysis of DNA sequence
Which of the following is an example of a vestigial trait
Ans: The human tailbone
Sister chromatids arise during _____ and are separated during ____
Ans: S phase, mitosis
Most neuronal cell type cease dividing during our development.
What phase of the cell cycle are most of your neurons in?
Ans: G1
After replication but before mitosis, it is necessary to _____ the DNA
Ans: Condense
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During the G2 stage of the cell cycle, how much DNA does a cell
have (compared to a non dividing cell?)
Ans: Twice the usual amount
The are proteins in the cell whose job it is to help the cell divide when
needed. These genes the encode these proteins are called
Ans: Proto-oncogenes
Tumor suppressor like BRCA-1 can monitor the DNA for damage and
if there is a lot of damage it instructs the cell to undergo apoptosis
what happened during apoptosis
Ans: The cell kills itself
We've talked about mutations that can cause a proto-oncogene to
be 'jammed on' eg expressed when and where it normally isn't. This
type of oncogenic mutation is likely to occur within the____ region of
a gene
Biology 100 Questions and Correct
Answers/ Latest Update / Already
Graded
Which is a scientific hypothesis
Ans: Regular excerise may reduce our risk of catching cold
In order to eliminate subject bias, a ______ is given to the control
group subject
Ans: Placebo
Which of the following is NOT an example of convergent evolution?
Ans: The bats wing and human arm
Which of the following statements would be true of two species that
have descended from the same common ancestor
Ans: Those species will have homologous structures
,2 | Page
Which of the following is the most reliable way to test evolutionary
relationship among living organisms
Ans: Analysis of DNA sequence
Which of the following is an example of a vestigial trait
Ans: The human tailbone
Sister chromatids arise during _____ and are separated during ____
Ans: S phase, mitosis
Most neuronal cell type cease dividing during our development.
What phase of the cell cycle are most of your neurons in?
Ans: G1
After replication but before mitosis, it is necessary to _____ the DNA
Ans: Condense
, 3 | Page
During the G2 stage of the cell cycle, how much DNA does a cell
have (compared to a non dividing cell?)
Ans: Twice the usual amount
The are proteins in the cell whose job it is to help the cell divide when
needed. These genes the encode these proteins are called
Ans: Proto-oncogenes
Tumor suppressor like BRCA-1 can monitor the DNA for damage and
if there is a lot of damage it instructs the cell to undergo apoptosis
what happened during apoptosis
Ans: The cell kills itself
We've talked about mutations that can cause a proto-oncogene to
be 'jammed on' eg expressed when and where it normally isn't. This
type of oncogenic mutation is likely to occur within the____ region of
a gene
