Physiology IUPUI
IUPUI Physiology Final Exam Study Questions
and Answers Graded A+ 2025-2026
In homeostasis,
A negative feedback mechanism alters a variable so that the error signal is
decreased
A positive feedback mechanism increases the amount of change in the variable
The goal is to maintain a regulated variable within an acceptable range -Correct
Answers ✔-All of these are correct
Which of the following pairs of system and system function is correctly matched? -
Correct Answers ✔-Respiratory : acid-base balance
The act of shivering raises the body temperature. The negative feedback
mechanisms that regulate body temperature would be expected to _________
shivering when the body has returned to a temperature within its acceptable
homeostatic range for body temperature. -Correct Answers ✔-stop
Which of the following life processes refers to the ability of a cell of a specific
type with a specific function to develop from a stem cell? -Correct Answers ✔-
Differentiation
A _______________ bond is formed when 2 atoms share electrons equally to fill
their valence shells. -Correct Answers ✔-nonpolar covalent
The pH of a solution is determined to be 10. This solution is identified as a(n)
_______________ solution. -Correct Answers ✔-basic
A reversible chemical reaction can _______________.
convert reactants to a products
reach chemical equilibrium
convert a product back to reactants -Correct Answers ✔-All of these
Physiology IUPUI
, Physiology IUPUI
A ______________ is an organic molecule made up of 1 glycerol, 2 fatty acids,
and one phosphate. -Correct Answers ✔-phospholipid
When a protein is 100% saturated, _______________. -Correct Answers ✔-the
binding site on all the proteins have a ligand bound to it
Which of the following components of the plasma membrane is amphipathic? -
Correct Answers ✔-Phopholipids & transmembrane proteins
Which organelle is responsible for helping separate the sister chromatids during
mitosis? -Correct Answers ✔-centrioles
The process of transcription produces ____________. -Correct Answers ✔-mRNA
If an mRNA codon is ACG, the tRNA anticodon would be -Correct Answers ✔-
UGC
In the cell cycle, new DNA is produced in the ________ phase. -Correct Answers
✔-S
Enzymes are important aids in metabolic pathways because they ____________. -
Correct Answers ✔-lower the activation energy
In this figure, the red triangle is acting as a_______________. -Correct Answers
✔-allosteric activator
Which of the following stages of aerobic cellular respiration is capable of
chemiosmosis? -Correct Answers ✔-Electron transport chain
The process of ____________ produces glucose from non-carbohydrate sources. -
Correct Answers ✔-gluconeogenesis
Physiology IUPUI
IUPUI Physiology Final Exam Study Questions
and Answers Graded A+ 2025-2026
In homeostasis,
A negative feedback mechanism alters a variable so that the error signal is
decreased
A positive feedback mechanism increases the amount of change in the variable
The goal is to maintain a regulated variable within an acceptable range -Correct
Answers ✔-All of these are correct
Which of the following pairs of system and system function is correctly matched? -
Correct Answers ✔-Respiratory : acid-base balance
The act of shivering raises the body temperature. The negative feedback
mechanisms that regulate body temperature would be expected to _________
shivering when the body has returned to a temperature within its acceptable
homeostatic range for body temperature. -Correct Answers ✔-stop
Which of the following life processes refers to the ability of a cell of a specific
type with a specific function to develop from a stem cell? -Correct Answers ✔-
Differentiation
A _______________ bond is formed when 2 atoms share electrons equally to fill
their valence shells. -Correct Answers ✔-nonpolar covalent
The pH of a solution is determined to be 10. This solution is identified as a(n)
_______________ solution. -Correct Answers ✔-basic
A reversible chemical reaction can _______________.
convert reactants to a products
reach chemical equilibrium
convert a product back to reactants -Correct Answers ✔-All of these
Physiology IUPUI
, Physiology IUPUI
A ______________ is an organic molecule made up of 1 glycerol, 2 fatty acids,
and one phosphate. -Correct Answers ✔-phospholipid
When a protein is 100% saturated, _______________. -Correct Answers ✔-the
binding site on all the proteins have a ligand bound to it
Which of the following components of the plasma membrane is amphipathic? -
Correct Answers ✔-Phopholipids & transmembrane proteins
Which organelle is responsible for helping separate the sister chromatids during
mitosis? -Correct Answers ✔-centrioles
The process of transcription produces ____________. -Correct Answers ✔-mRNA
If an mRNA codon is ACG, the tRNA anticodon would be -Correct Answers ✔-
UGC
In the cell cycle, new DNA is produced in the ________ phase. -Correct Answers
✔-S
Enzymes are important aids in metabolic pathways because they ____________. -
Correct Answers ✔-lower the activation energy
In this figure, the red triangle is acting as a_______________. -Correct Answers
✔-allosteric activator
Which of the following stages of aerobic cellular respiration is capable of
chemiosmosis? -Correct Answers ✔-Electron transport chain
The process of ____________ produces glucose from non-carbohydrate sources. -
Correct Answers ✔-gluconeogenesis
Physiology IUPUI
