BIO 102 Final Exam Questions and Verified
Answers | Latest Update 2026/2027 (Graded A+) -
Portage Learning
Match each of the following terms with the correct description.
You Answered
Deletion mutation
Occurs from a loss of nucleotides within a gene.
You Answered
You Answered
Missense mutation
Occurs when one amino acid is replaced with another.
Correct!
Point mutation
Occurs when a single nucleotide is changed with a
gene.
Question 2
pts
Match each of the following terms with the correct description.
Correct!
Neuroendocrine signaling
, Long-term signaling that involves ligands being stored
in neurons.
Correc Nonsense mutation
Occurs when a mutation turns the intended codon into a ‘stop’
codon.
t!
Endocrine signaling
Long-term signaling that regulates sexual maturation.
Correct!
Paracrine signaling
Local signaling that allows ligands to diffuse to nearby
target cells.
Correct!
Autocrine signaling
Local signaling where the ligand-releasing cell and the
target cell are the same.
Question 3
pts
Match each of the following phases of an action potential with
the correct description.
, Correct!
Undershoot
The efflux of K+ ions brings cells to a hyperpolarized
state.
Correct!
Falling phase
K+ ions flow out of the cell, making the cell more
negative.
Correct!
Rising phase
Positive feedback causes opening of more Na+
channels.
Question 5
pts
Multiple Choice:
Which of the following statements regarding the process of
absorption is true? Correct!
Most oral drugs are absorbed through the small intestine.
Answers | Latest Update 2026/2027 (Graded A+) -
Portage Learning
Match each of the following terms with the correct description.
You Answered
Deletion mutation
Occurs from a loss of nucleotides within a gene.
You Answered
You Answered
Missense mutation
Occurs when one amino acid is replaced with another.
Correct!
Point mutation
Occurs when a single nucleotide is changed with a
gene.
Question 2
pts
Match each of the following terms with the correct description.
Correct!
Neuroendocrine signaling
, Long-term signaling that involves ligands being stored
in neurons.
Correc Nonsense mutation
Occurs when a mutation turns the intended codon into a ‘stop’
codon.
t!
Endocrine signaling
Long-term signaling that regulates sexual maturation.
Correct!
Paracrine signaling
Local signaling that allows ligands to diffuse to nearby
target cells.
Correct!
Autocrine signaling
Local signaling where the ligand-releasing cell and the
target cell are the same.
Question 3
pts
Match each of the following phases of an action potential with
the correct description.
, Correct!
Undershoot
The efflux of K+ ions brings cells to a hyperpolarized
state.
Correct!
Falling phase
K+ ions flow out of the cell, making the cell more
negative.
Correct!
Rising phase
Positive feedback causes opening of more Na+
channels.
Question 5
pts
Multiple Choice:
Which of the following statements regarding the process of
absorption is true? Correct!
Most oral drugs are absorbed through the small intestine.
