BIO 181 Final Exam Review Questions with
Verified Answers 2025
The stage of meiosis where "crossing over" occurs -Correct Answer ✔Prophase 1
A mutation that you could pass on to your offspring would occur in the ___ cells -
Correct Answer ✔Germ cells
Most mutations that occur in our genomes are... -Correct Answer ✔Neutral
Which type of mutation would most likely have dramatic effects on the gene of
interest? -Correct Answer ✔Nonsense mutation
Frameshift mutation
What is the probability of a child having the same phenotype as the first parent:
AaBbcc x aabbCC -Correct Answer ✔0
p^2+2pq+q^2 gives -Correct Answer ✔Hardy Weinberg equilibrium frequencies
Which is an example of heterozygote advantage? -Correct Answer ✔Sickle sell
trait
Which of the following statements must be true in order for mitochondrial ATP
synthase to work? -Correct Answer ✔pH of inter membrane space must be lower
than that of the matrix
There must be a difference in concentration of H+ ions
During glycolysis, glucose is broken down into two molecules of -Correct Answer
✔Pyruvate
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Which of the following is the most important product of the fermentation pathway
in cells? -Correct Answer ✔NAD+
Photosynthesis is usually divided up into how many separate reactions? -Correct
Answer ✔2
Which is NOT a stage of cellular respiration? -Correct Answer ✔Photosynthesis
Which one of the following represents the REDUCED forms of the electron
carriers of cellular respiration?
NAD+ and FAD
NAD+ and FADH2
NADH and FAD
NADH and FADH2 -Correct Answer ✔NADH and FADH2
The step of cellular respiration that results in the biggest direct payoff of ATP is -
Correct Answer ✔The electron transport chain
In the absence of oxygen this is the route taken by the cell to generate ATP -
Correct Answer ✔Glycolysis
Fermentation
Cell membranes are -Correct Answer ✔Dynamic and exist in a fluid state
Important in maintaining the internal environment of cells
Composed of lipid bi-layers
Embedded with transmembrane proteins
ASU BIO 181