IPHY 3430 all HW questions With
Guaranteed Pass Solutions 2026
Update.
The brain is an example of what level of organization (highest level of organization)?
atom
cell
molecule
organ
organ system
tissue - Answer organ
Determine whether the following statements are mechanistic or teleological in nature.
"Glucose is transported from blood into cells by transporters in response to insulin."
"Glucose is transported from blood into cells because cells require glucose to meet their energy
needs."
mechanistic, mechanistic
mechanistic, teleological
teleological, mechanistic
teleological, teleological - Answer mechanistic, telelogical
Which of the following would be an example of mechanical work? Choose any that apply.
ATP donating phosphate group to an enzyme
beating of cilia
cell changing shape
movement of organelles in cell
movement of glucose across cell membrane
muscle contraction - Answer beating of cilia
cell changing shape
movement of organelles in cell
muscle contraction
,A compressed spring represents what type of energy? When the spring is allowed to 'spring', or
decompress, what type of energy does this represent?
kinetic, kinetic
kinetic, potential
potential, kinetic
potential, potential - Answer potential, kinetic
In what 3 forms is energy stored in the body? Choose any that apply.
chemical bonds
concentration gradients
electrical gradients
entropy
kinetic energy - Answer chemical bonds
concentration gradients
electrical gradients
Which of the following molecules do you think has the greatest amount of stored energy?
carbon monoxide
cholesterol
fructose
glycogen
All would have the same amount of free energy. - Answer glycogen
Repeated exposure to hot environments when combined with exercise improves exercise
capacity, with less discomfort upon subsequent heat exposure. One thing that changes is that a
person begins sweating sooner and they sweat more (nearly double).
Sweating sooner represents what type of change?
decreased threshold
increased threshold
decreased set point
increased set point - Answer decreased threshold
Which statement(s) about control strategies is/are incorrect? Choose any that apply.
An advantage of a feedforward system is that it allows the body to anticipate a change, or
prepare for something to happen
, A disadvantage of a feedforward system is it doesn't allow you to respond to an unexpected
change.
An advantage of a positive feedback system is allows for rapid changes to a regulated variable.
A disadvantage of a positive feedback system is that it is not homeostatic.
A disadvantage of a negative feedback system is it requires some outside event to stop the
response.
All of the above are correct. - Answer A disadvantage of a negative feedback system is it
requires some outside event to stop the response.
Water is polar; organic solvents (for ex., gasoline, ether, carbon tetrachloride and benzene) are
nonpolar. A substance is found to dissolve in organic solvents but not in the water. Is this
substance most likely polar or nonpolar, or both?
both
nonpolar
polar - Answer nonpolar
There is an amino acid transporter that only transports acidic amino acids, another that
transports basic amino acids, and a third that transports neutral amino acids. This is an example
of which protein characteristic?
affinity
saturation
pecificity - Answer specificity
Both curare and a-bungarotoxin bind to the nicotinic acetylcholine receptor and block its action.
Curare binds temporarily to the protein, while a-bungarotoxin binds to it irreversibly. Which
shows the most affinity?
acetylcholine
curare
α-bungarotoxin
both acetylcholine and curare
No difference in affinity - Answer α-bungarotoxin
Many people die each year from ingesting antifreeze solutions. Antifreeze contains ethylene
glycol, which the human body converts to oxalic acid in the presence of the enzyme alcohol
dehydrogenase. Oxalic acid exists in crystalline form and these crystals can severely damage
kidneys. Ethanol is administered to victims with ethylene glycol poisoning because ethanol
binds to the active site of alcohol dehydrogenase, inhibiting the formation of oxalate crystals.
How would you classify ethanol in this scenario?
allometric inhibitor of ethylene glycol
Guaranteed Pass Solutions 2026
Update.
The brain is an example of what level of organization (highest level of organization)?
atom
cell
molecule
organ
organ system
tissue - Answer organ
Determine whether the following statements are mechanistic or teleological in nature.
"Glucose is transported from blood into cells by transporters in response to insulin."
"Glucose is transported from blood into cells because cells require glucose to meet their energy
needs."
mechanistic, mechanistic
mechanistic, teleological
teleological, mechanistic
teleological, teleological - Answer mechanistic, telelogical
Which of the following would be an example of mechanical work? Choose any that apply.
ATP donating phosphate group to an enzyme
beating of cilia
cell changing shape
movement of organelles in cell
movement of glucose across cell membrane
muscle contraction - Answer beating of cilia
cell changing shape
movement of organelles in cell
muscle contraction
,A compressed spring represents what type of energy? When the spring is allowed to 'spring', or
decompress, what type of energy does this represent?
kinetic, kinetic
kinetic, potential
potential, kinetic
potential, potential - Answer potential, kinetic
In what 3 forms is energy stored in the body? Choose any that apply.
chemical bonds
concentration gradients
electrical gradients
entropy
kinetic energy - Answer chemical bonds
concentration gradients
electrical gradients
Which of the following molecules do you think has the greatest amount of stored energy?
carbon monoxide
cholesterol
fructose
glycogen
All would have the same amount of free energy. - Answer glycogen
Repeated exposure to hot environments when combined with exercise improves exercise
capacity, with less discomfort upon subsequent heat exposure. One thing that changes is that a
person begins sweating sooner and they sweat more (nearly double).
Sweating sooner represents what type of change?
decreased threshold
increased threshold
decreased set point
increased set point - Answer decreased threshold
Which statement(s) about control strategies is/are incorrect? Choose any that apply.
An advantage of a feedforward system is that it allows the body to anticipate a change, or
prepare for something to happen
, A disadvantage of a feedforward system is it doesn't allow you to respond to an unexpected
change.
An advantage of a positive feedback system is allows for rapid changes to a regulated variable.
A disadvantage of a positive feedback system is that it is not homeostatic.
A disadvantage of a negative feedback system is it requires some outside event to stop the
response.
All of the above are correct. - Answer A disadvantage of a negative feedback system is it
requires some outside event to stop the response.
Water is polar; organic solvents (for ex., gasoline, ether, carbon tetrachloride and benzene) are
nonpolar. A substance is found to dissolve in organic solvents but not in the water. Is this
substance most likely polar or nonpolar, or both?
both
nonpolar
polar - Answer nonpolar
There is an amino acid transporter that only transports acidic amino acids, another that
transports basic amino acids, and a third that transports neutral amino acids. This is an example
of which protein characteristic?
affinity
saturation
pecificity - Answer specificity
Both curare and a-bungarotoxin bind to the nicotinic acetylcholine receptor and block its action.
Curare binds temporarily to the protein, while a-bungarotoxin binds to it irreversibly. Which
shows the most affinity?
acetylcholine
curare
α-bungarotoxin
both acetylcholine and curare
No difference in affinity - Answer α-bungarotoxin
Many people die each year from ingesting antifreeze solutions. Antifreeze contains ethylene
glycol, which the human body converts to oxalic acid in the presence of the enzyme alcohol
dehydrogenase. Oxalic acid exists in crystalline form and these crystals can severely damage
kidneys. Ethanol is administered to victims with ethylene glycol poisoning because ethanol
binds to the active site of alcohol dehydrogenase, inhibiting the formation of oxalate crystals.
How would you classify ethanol in this scenario?
allometric inhibitor of ethylene glycol
