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BIO 191 FINAL EXAM LATEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
One molecule of lactose is a DISACCHARIDE, which means it
contains _____________ linked together by __________ bond.
a. Two simple sugars; an ionic
b. Three or more simple sugars; covalent
c. Three or more simple sugars; covalent
d. Two simple sugars; a covalent - ANSWER-Two simple sugars;
a covalent
Which of the following is NOT TRUE of the structure of DNA?
a. The two DNA strands run in opposite directions
b. In DNA, the base A (adenine) pairs with the base T (thymine)
c. Within a DNA double helix, covalent bonds connect base pairs
to each other
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d. Sugar and phosphate groups form the DNA backbone (the
outside of the DNA helix) - ANSWER-Within a DNA double helix,
covalent bonds connect base pairs to each other
If you make a salad dressing out of oil and vinegar, the oil is the
______ portion of your mixture: - ANSWER-Hydrophobic
Compared to a spherical cell, the shape of a human cel below
allows it to have:
a. Greater motility (movement)
b. An increased surface area to volume ratio
c. Greater numbers of DNA molecules stored throughout the cell.
d. Better defense against microbes
e. All of the above - ANSWER-An increased surface area to
volume ratio
Why doesn't the antibiotic penicillin damage human cells?
a. Antibiotics are destroyed the second they enter a human cell
b. Human cells are protected by their plasma membrane
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c. Human cells do not have a cell wall
d. Human cells do not contain polypeptides - ANSWER-Human
cells do not have a cell wall
The two primary components of a plasma membrane are:
a. Sugars and proteins
b. Lipids and proteins
c. sugars and nucleotides
d. Lipids and Sugars - ANSWER-Lipids and Proteins
After you eat, specialized cells release the hormone insulin (a
protein) into your blood. Identify the route by which insulin is
synthesized and then released from a cell:
a. Vesicle to ER to lysosome tp plasma membrane
b. Golgi to vesicle to ER to vesicle to plasma membrane
c. ER to vesicle to Golgi to vesicle to plasma membrane
d. cytosol to vesicle to Golgi to lysosome to plasma membrane -
ANSWER-ER to vesicle to Golgi to vesicle to plasma membrane
BIO 191 FINAL EXAM LATEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
One molecule of lactose is a DISACCHARIDE, which means it
contains _____________ linked together by __________ bond.
a. Two simple sugars; an ionic
b. Three or more simple sugars; covalent
c. Three or more simple sugars; covalent
d. Two simple sugars; a covalent - ANSWER-Two simple sugars;
a covalent
Which of the following is NOT TRUE of the structure of DNA?
a. The two DNA strands run in opposite directions
b. In DNA, the base A (adenine) pairs with the base T (thymine)
c. Within a DNA double helix, covalent bonds connect base pairs
to each other
,2|Page
d. Sugar and phosphate groups form the DNA backbone (the
outside of the DNA helix) - ANSWER-Within a DNA double helix,
covalent bonds connect base pairs to each other
If you make a salad dressing out of oil and vinegar, the oil is the
______ portion of your mixture: - ANSWER-Hydrophobic
Compared to a spherical cell, the shape of a human cel below
allows it to have:
a. Greater motility (movement)
b. An increased surface area to volume ratio
c. Greater numbers of DNA molecules stored throughout the cell.
d. Better defense against microbes
e. All of the above - ANSWER-An increased surface area to
volume ratio
Why doesn't the antibiotic penicillin damage human cells?
a. Antibiotics are destroyed the second they enter a human cell
b. Human cells are protected by their plasma membrane
, 3|Page
c. Human cells do not have a cell wall
d. Human cells do not contain polypeptides - ANSWER-Human
cells do not have a cell wall
The two primary components of a plasma membrane are:
a. Sugars and proteins
b. Lipids and proteins
c. sugars and nucleotides
d. Lipids and Sugars - ANSWER-Lipids and Proteins
After you eat, specialized cells release the hormone insulin (a
protein) into your blood. Identify the route by which insulin is
synthesized and then released from a cell:
a. Vesicle to ER to lysosome tp plasma membrane
b. Golgi to vesicle to ER to vesicle to plasma membrane
c. ER to vesicle to Golgi to vesicle to plasma membrane
d. cytosol to vesicle to Golgi to lysosome to plasma membrane -
ANSWER-ER to vesicle to Golgi to vesicle to plasma membrane
