Bio 1100 Exam 1 with correct answers
Organisms on earth are composed of molecules and compounds that are constructed primarily of
what four elements? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔gap junctions
Endosymbiosis is the best explanation for - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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?
- ** VERIFIED ANSWERS **✔✔good solvent
Which of the following is a correct statement concerning the difference between saturated and
unsaturated fats? - ** VERIFIED ANSWERS **✔✔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: - ** VERIFIED ANSWERS **✔✔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: - ** VERIFIED ANSWERS **✔✔the presence of
membrane bound organelles
How many potential hydrogen bonds can one molecule of ethanol form? - ** VERIFIED ANSWERS
**✔✔2
What type of transport is involved in increasing the acidity of you stomach? - ** VERIFIED
ANSWERS **✔✔active transport
What level of protein construction involves the linking together of multiple three dimensional
protein molecules? - ** VERIFIED ANSWERS **✔✔quaternary
Production of cholesterol (a steroid molecule) is one important function of the liver. Where in the
liver this occurring? - ** VERIFIED ANSWERS **✔✔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 - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔mitochondria, cell membrane, ribosomes
What does NuSI stand for? - ** VERIFIED ANSWERS **✔✔Nutritional Science Initiative
Which of these food components would pass through the human digestive tract with the least
amount of digestion? - ** VERIFIED ANSWERS **✔✔cellulose
Which of the following molecules is involved in receptor mediated endocytosis? - ** VERIFIED
ANSWERS **✔✔LDL
Organisms on earth are composed of molecules and compounds that are constructed primarily of
what four elements? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔gap junctions
Endosymbiosis is the best explanation for - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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?
- ** VERIFIED ANSWERS **✔✔good solvent
Which of the following is a correct statement concerning the difference between saturated and
unsaturated fats? - ** VERIFIED ANSWERS **✔✔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: - ** VERIFIED ANSWERS **✔✔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: - ** VERIFIED ANSWERS **✔✔the presence of
membrane bound organelles
How many potential hydrogen bonds can one molecule of ethanol form? - ** VERIFIED ANSWERS
**✔✔2
What type of transport is involved in increasing the acidity of you stomach? - ** VERIFIED
ANSWERS **✔✔active transport
What level of protein construction involves the linking together of multiple three dimensional
protein molecules? - ** VERIFIED ANSWERS **✔✔quaternary
Production of cholesterol (a steroid molecule) is one important function of the liver. Where in the
liver this occurring? - ** VERIFIED ANSWERS **✔✔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 - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔mitochondria, cell membrane, ribosomes
What does NuSI stand for? - ** VERIFIED ANSWERS **✔✔Nutritional Science Initiative
Which of these food components would pass through the human digestive tract with the least
amount of digestion? - ** VERIFIED ANSWERS **✔✔cellulose
Which of the following molecules is involved in receptor mediated endocytosis? - ** VERIFIED
ANSWERS **✔✔LDL
