BIOS 252 COMPREHENSIVE EXAM
QUESTIONS WITH CORRECT
ANSWERS 2026
Biological catalysts that speed up chemical reactions by lowering activation energy: - correct
answers -enzymes
A molecule that freely disassociates with water resulting in a low ph solution: - correct answers -
acid
A lipid bilayer that controls the exchange of materials between a cell's internal and external
enviornments - correct answers -the plasma membrane
The basic structure of almost all cell membranes - correct answers -the lipid bilayer
A molecule that neutralizes acids - correct answers -a base
A control mechanism where a systems output reduces the effects of the bodies initial stimulus -
correct answers -negative feedback
Has four main components plasma, red blood cells, white blood cells and platelets - correct
answers -blood
Divides body into left and right - correct answers -sagittal plane
Divides body into top and bottom - correct answers -transverse plane
QUESTIONS WITH CORRECT
ANSWERS 2026
Biological catalysts that speed up chemical reactions by lowering activation energy: - correct
answers -enzymes
A molecule that freely disassociates with water resulting in a low ph solution: - correct answers -
acid
A lipid bilayer that controls the exchange of materials between a cell's internal and external
enviornments - correct answers -the plasma membrane
The basic structure of almost all cell membranes - correct answers -the lipid bilayer
A molecule that neutralizes acids - correct answers -a base
A control mechanism where a systems output reduces the effects of the bodies initial stimulus -
correct answers -negative feedback
Has four main components plasma, red blood cells, white blood cells and platelets - correct
answers -blood
Divides body into left and right - correct answers -sagittal plane
Divides body into top and bottom - correct answers -transverse plane
