Bio 1100 Final Exam 1 Questions and
Actual Answers (2025-2026) Updated.
Organisms on earth are composed of molecules and compounds that are constructed primarily
of what four elements? - Answer carbon, hydrogen, oxygen, nitrogen
A potential new organism has been discovered. Which of the following would be the most
conclusive in confirming it is a life form? - Answer detection of cells
Which of the following intracellular junctions would allow for signal molecules to be passed
between adjacent animal cells that need fast communication like heart and nerve cells? -
Answer gap junctions
Endosymbiosis is the best explanation for - Answer appearance of mitochondria and
chloroplasts in eukaryotes
Food enters your mouth and reaches your small intestine. What chemical process uses water to
break down polymers into smaller more bioavailable chemical subunits? - Answer hydrolysis
Eye wash stations are found in many biology labs in case any irritable substance comes into
contact with the eyes. What property of water allows for the irrigation and removal of an
irritable substance? - Answer good solvent
Which of the following is a correct statement concerning the difference between saturated and
unsaturated fats? - Answer saturated fats are composed of fatty acids with single covalent
bonds between the carbon atoms, whereas unsaturated fats have one or more double bonds
A nucleotide is to a nucleic acid as: - Answer an amino acid is to protein
One area of organism classification depends upon whether cells are prokaryotic or eukaryotic.
The primary difference between these groups is: - Answer the presence of membrane bound
organelles
How many potential hydrogen bonds can one molecule of ethanol form? - Answer 2
, What level of protein construction involves the linking together of multiple three dimensional
protein molecules? - Answer quaternary
Production of cholesterol (a steroid molecule) is one important function of the liver. Where in
the liver this occurring? - Answer smooth ER
E. coli is a common bacteria that lives inside intestines and often ends up on fresh produce such
as spinach. You remember from biology that it - Answer is in the domain prokarya, has no
nucleus, no membrane bound organelles, but has an extra loop of DNA
Which of the following cellular structures are found in both plant and animal cells? - Answer
mitochondria, cell membrane, ribosomes
What does NuSI stand for? - Answer Nutritional Science Initiative
Which of these food components would pass through the human digestive tract with the least
amount of digestion? - Answer cellulose
Which of the following molecules is involved in receptor mediated endocytosis? - Answer LDL
Which of the following classification of lipids is involved in hormonal regulation? - Answer
sterols
In a double blind study a number of people were given Echinacea to study its effects on the
common cold. Another group of people were given a placebo. The placebo group is known as: -
Answer the control group
What type of bond is formed between two hydrogen atoms to create hydrogen gas? - Answer
non-polar covalent
What cellular structures/adaptations do sperm most utilize to ensure they reach the drifting
egg? - Answer flagella, mitochondria
The "rough" in rough ER refers to the affinity that this structure has for what cellular structures?
- Answer ribosomes
Actual Answers (2025-2026) Updated.
Organisms on earth are composed of molecules and compounds that are constructed primarily
of what four elements? - Answer carbon, hydrogen, oxygen, nitrogen
A potential new organism has been discovered. Which of the following would be the most
conclusive in confirming it is a life form? - Answer detection of cells
Which of the following intracellular junctions would allow for signal molecules to be passed
between adjacent animal cells that need fast communication like heart and nerve cells? -
Answer gap junctions
Endosymbiosis is the best explanation for - Answer appearance of mitochondria and
chloroplasts in eukaryotes
Food enters your mouth and reaches your small intestine. What chemical process uses water to
break down polymers into smaller more bioavailable chemical subunits? - Answer hydrolysis
Eye wash stations are found in many biology labs in case any irritable substance comes into
contact with the eyes. What property of water allows for the irrigation and removal of an
irritable substance? - Answer good solvent
Which of the following is a correct statement concerning the difference between saturated and
unsaturated fats? - Answer saturated fats are composed of fatty acids with single covalent
bonds between the carbon atoms, whereas unsaturated fats have one or more double bonds
A nucleotide is to a nucleic acid as: - Answer an amino acid is to protein
One area of organism classification depends upon whether cells are prokaryotic or eukaryotic.
The primary difference between these groups is: - Answer the presence of membrane bound
organelles
How many potential hydrogen bonds can one molecule of ethanol form? - Answer 2
, What level of protein construction involves the linking together of multiple three dimensional
protein molecules? - Answer quaternary
Production of cholesterol (a steroid molecule) is one important function of the liver. Where in
the liver this occurring? - Answer smooth ER
E. coli is a common bacteria that lives inside intestines and often ends up on fresh produce such
as spinach. You remember from biology that it - Answer is in the domain prokarya, has no
nucleus, no membrane bound organelles, but has an extra loop of DNA
Which of the following cellular structures are found in both plant and animal cells? - Answer
mitochondria, cell membrane, ribosomes
What does NuSI stand for? - Answer Nutritional Science Initiative
Which of these food components would pass through the human digestive tract with the least
amount of digestion? - Answer cellulose
Which of the following molecules is involved in receptor mediated endocytosis? - Answer LDL
Which of the following classification of lipids is involved in hormonal regulation? - Answer
sterols
In a double blind study a number of people were given Echinacea to study its effects on the
common cold. Another group of people were given a placebo. The placebo group is known as: -
Answer the control group
What type of bond is formed between two hydrogen atoms to create hydrogen gas? - Answer
non-polar covalent
What cellular structures/adaptations do sperm most utilize to ensure they reach the drifting
egg? - Answer flagella, mitochondria
The "rough" in rough ER refers to the affinity that this structure has for what cellular structures?
- Answer ribosomes
