BIOS 1120 EXAM 2 (7,9) WITH
CORRECT
ANSWERS 2025
the air ( correct answers ) Where do land plants get the carbon dioxide
they need to engage in photosynthesis?
carbon dioxide, ATP and water ( correct answers ) Which of the
following are outputs (products) of the process of cellular respiration?
A boulder rolls down a hill. ( correct answers ) Which of the following is
an example of KINETIC energy?
removes introns from the RNA strand ( correct answers ) All of the
following are done by RNA polymerase in the process of transcription
EXCEPT
it could result in a shortened protein that is defective ( correct answers
) Why would a mutation that changes a triplet from coding for an amino
acid to stop codon be particularly harmful to the functioning of the protein
the mRNA encodes?
insertion or deletion( correct answers ) Which of the following would
cause a frameshift mutation?
1 ( correct answers ) How many sex chromosomes does a typical
egg or sperm produced by a human have?
an intron is a segment of mRNA that does not code for amino acids, an
exon does
( correct answers ) What is the difference between an intron and an
exon?
sparkling wines ( correct answers ) All of the following are the product of
bacterial fermentation EXCEPT
DNA persists as a single stranded molecule, RNA is double stranded
( correct answers ) All of the following are correct about DNA and
RNA EXCEPT
TAACGCGTA ( correct answers ) A segment of DNA has the following
sequence: ATTGCGCAT. Which of the following represents the
complementary sequence of DNA?
introns ( correct answers ) If an mRNA molecule were shorter than the
gene from which it is transcribed this most likely reflects the removal of
, the anti-sense strand is used as a template for the synthesis of mRNA
( correct answers ) What is the difference between the sense stand and
the anti-sense strand?
it allows researchers to identify for each chromosome which parent it
came from
( correct answers ) All of the following are true about karyotypes
EXCEPT
mitotic spindle ( correct answers ) Which of the following is used by the
cell to drag sister chromatids to opposite poles during mitosis?
missense mutation ( correct answers ) A mutation changes a codon that
codes for cysteine into a different codon that codes for serine. This is an
example of a
it can spread to other parts of the body ( correct answers ) All of the
following are true about a benign tumor EXCEPT
ADP, phosphate, glucose and oxygen ( correct answers ) Which of the
following are inputs (reactants) for the process of cellular respiration?
insertion or deletion( correct answers ) Which of the following would
cause a frameshift mutation?
It is inhaled, enters the lungs, travels in the bloodstream, and enters
the cell ( correct answers ) Which of the following is the path
that directs oxygen to the mitochondrion?
prevent RNA polymerase from binding to the promoter sequence
( correct answers ) Which of the following is one way that a cell can turn
a gene off?
cellular respiration in the presence of oxygen ( correct answers )
Which yields more energy from one molecule of glucose?
mitochondrion ( correct answers ) Where does cellular respiration take
place in eukaryotic cells?
the anti-sense strand is used as a template for the synthesis of mRNA
( correct answers ) What is the difference between the sense stand and
the anti-sense strand?
they are the part of the tRNA molecule that binds to mRNA ( correct
answers ) All of the following are true about codons EXCEPT?
heat energy into chemical energy ( correct answers ) Which of
the following conversions is the LEAST likely to occur in a biological
system?
CORRECT
ANSWERS 2025
the air ( correct answers ) Where do land plants get the carbon dioxide
they need to engage in photosynthesis?
carbon dioxide, ATP and water ( correct answers ) Which of the
following are outputs (products) of the process of cellular respiration?
A boulder rolls down a hill. ( correct answers ) Which of the following is
an example of KINETIC energy?
removes introns from the RNA strand ( correct answers ) All of the
following are done by RNA polymerase in the process of transcription
EXCEPT
it could result in a shortened protein that is defective ( correct answers
) Why would a mutation that changes a triplet from coding for an amino
acid to stop codon be particularly harmful to the functioning of the protein
the mRNA encodes?
insertion or deletion( correct answers ) Which of the following would
cause a frameshift mutation?
1 ( correct answers ) How many sex chromosomes does a typical
egg or sperm produced by a human have?
an intron is a segment of mRNA that does not code for amino acids, an
exon does
( correct answers ) What is the difference between an intron and an
exon?
sparkling wines ( correct answers ) All of the following are the product of
bacterial fermentation EXCEPT
DNA persists as a single stranded molecule, RNA is double stranded
( correct answers ) All of the following are correct about DNA and
RNA EXCEPT
TAACGCGTA ( correct answers ) A segment of DNA has the following
sequence: ATTGCGCAT. Which of the following represents the
complementary sequence of DNA?
introns ( correct answers ) If an mRNA molecule were shorter than the
gene from which it is transcribed this most likely reflects the removal of
, the anti-sense strand is used as a template for the synthesis of mRNA
( correct answers ) What is the difference between the sense stand and
the anti-sense strand?
it allows researchers to identify for each chromosome which parent it
came from
( correct answers ) All of the following are true about karyotypes
EXCEPT
mitotic spindle ( correct answers ) Which of the following is used by the
cell to drag sister chromatids to opposite poles during mitosis?
missense mutation ( correct answers ) A mutation changes a codon that
codes for cysteine into a different codon that codes for serine. This is an
example of a
it can spread to other parts of the body ( correct answers ) All of the
following are true about a benign tumor EXCEPT
ADP, phosphate, glucose and oxygen ( correct answers ) Which of the
following are inputs (reactants) for the process of cellular respiration?
insertion or deletion( correct answers ) Which of the following would
cause a frameshift mutation?
It is inhaled, enters the lungs, travels in the bloodstream, and enters
the cell ( correct answers ) Which of the following is the path
that directs oxygen to the mitochondrion?
prevent RNA polymerase from binding to the promoter sequence
( correct answers ) Which of the following is one way that a cell can turn
a gene off?
cellular respiration in the presence of oxygen ( correct answers )
Which yields more energy from one molecule of glucose?
mitochondrion ( correct answers ) Where does cellular respiration take
place in eukaryotic cells?
the anti-sense strand is used as a template for the synthesis of mRNA
( correct answers ) What is the difference between the sense stand and
the anti-sense strand?
they are the part of the tRNA molecule that binds to mRNA ( correct
answers ) All of the following are true about codons EXCEPT?
heat energy into chemical energy ( correct answers ) Which of
the following conversions is the LEAST likely to occur in a biological
system?
