BIO 230 EXAM #1 SFSU BANK QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT ANSWERS/ A+
GRADED
U-ABC-IT - ANSWER-Use evidence, ask questions, be skeptical, cultivate
wonder, identify confusions, think like a biologist
What are the common functions of living things? - ANSWER-Move, reproduce,
exchange gasses, grow
What are common structures of living things? - ANSWER-Tissues, organelles,
organs, cells
Which of the following are considered to be alive? Protein, Bacteria, yeast, viruses,
prions, DNA, candles, chemical reactions, water? - ANSWER-Bacteria and yeast
because they are both made up of one or more cells
How would you evaluate an unknown specimen to determine if its living? -
ANSWER-I would determine if something is living based off of its structure. Is it
made up of one or more cells?
If the cell were the size of our lecture hall, how would you explain to a friend how
big a water molecule would be? - ANSWER-I would say that a water molecule
would be the size of like a grain of rice compared to the lecture hall (cell)
Which is usually bigger, an organelle or a cell? - ANSWER-a cell is usually larger,
because organelles are living inside of cells
1
, Which is usually bigger, a glucose molecule or an organelle? - ANSWER-An
organelle is larger
Which is usually bigger, a DNA molecule or a carbon atom? - ANSWER-a DNA
molecule is larger
Which is usually bigger, a virus or a protein molecule? - ANSWER-A virus is
larger
How would you respond to someone who told you not to eat Altoids because they
cause mad cow disease? - ANSWER-Where is the evidence to support this claim?
What evidence were you able to find to confirm or refute that Altoids cause mad
cow disease? - ANSWER-Mad cow disease is caused by a prion (protein) which
attacks the cows brain and spinal cord, neither of which are used to make gelatin;
therefore, the gelatin in Altoids cannot be the cause of mads cow disease
What are prions? - ANSWER-Misfolded proteins which cause other proteins to
misfiled
Are prions alive? - ANSWER-No, they are proteins which is just a macromolecule.
How are prokaryotic cells and eukaryotic cells similar? - ANSWER-they both have
cell membrane, cytoplasm, ribosomes
How are prokaryotic cells and eukaryotic cells different? - ANSWER-Eukaryotic
cells have organelles, a nucleus, linear DNA
Prokaryotic cells have circular DNA and no organelles
2
VERIFIED ANSWERS (100% CORRECT ANSWERS/ A+
GRADED
U-ABC-IT - ANSWER-Use evidence, ask questions, be skeptical, cultivate
wonder, identify confusions, think like a biologist
What are the common functions of living things? - ANSWER-Move, reproduce,
exchange gasses, grow
What are common structures of living things? - ANSWER-Tissues, organelles,
organs, cells
Which of the following are considered to be alive? Protein, Bacteria, yeast, viruses,
prions, DNA, candles, chemical reactions, water? - ANSWER-Bacteria and yeast
because they are both made up of one or more cells
How would you evaluate an unknown specimen to determine if its living? -
ANSWER-I would determine if something is living based off of its structure. Is it
made up of one or more cells?
If the cell were the size of our lecture hall, how would you explain to a friend how
big a water molecule would be? - ANSWER-I would say that a water molecule
would be the size of like a grain of rice compared to the lecture hall (cell)
Which is usually bigger, an organelle or a cell? - ANSWER-a cell is usually larger,
because organelles are living inside of cells
1
, Which is usually bigger, a glucose molecule or an organelle? - ANSWER-An
organelle is larger
Which is usually bigger, a DNA molecule or a carbon atom? - ANSWER-a DNA
molecule is larger
Which is usually bigger, a virus or a protein molecule? - ANSWER-A virus is
larger
How would you respond to someone who told you not to eat Altoids because they
cause mad cow disease? - ANSWER-Where is the evidence to support this claim?
What evidence were you able to find to confirm or refute that Altoids cause mad
cow disease? - ANSWER-Mad cow disease is caused by a prion (protein) which
attacks the cows brain and spinal cord, neither of which are used to make gelatin;
therefore, the gelatin in Altoids cannot be the cause of mads cow disease
What are prions? - ANSWER-Misfolded proteins which cause other proteins to
misfiled
Are prions alive? - ANSWER-No, they are proteins which is just a macromolecule.
How are prokaryotic cells and eukaryotic cells similar? - ANSWER-they both have
cell membrane, cytoplasm, ribosomes
How are prokaryotic cells and eukaryotic cells different? - ANSWER-Eukaryotic
cells have organelles, a nucleus, linear DNA
Prokaryotic cells have circular DNA and no organelles
2
