APHY 101 Cells Exam Questions with
correct Answers 2025/2026 A+ Graded
100% Verified
What is found in the cytoplasm? - ANS-organelles, cytosol, cytoskeleton
A network of microtubules and microfilaments form a structure called the ______________ of
the cell. - ANS-cytoskeleton
The ________ is surrounded by an envelope and contains the genetic material (DNA) of the
cell. - ANS-nucleus
What is cytosol? - ANS-liquid portion of cytoplasm
A(n) _______ is a specialized structure inside a cell that performs specific functions such as
extracting energy from nutrients or building proteins. - ANS-organelles
What are functions of the cell membrane? - ANS-1) Selectively permeable barrier
2) Signal Transduction
Components of the cellular structure called the ________ include phospholipids, carbohydrates,
proteins, and cholestrol. - ANS-cell membrane
The cell membrane is composed mostly of a bilayer of - ANS-phospholipids
In the cell membrane, ________________, functions as receptors, cell surface makers,
transporters, enzymes, and cellular adhesion molecules. - ANS-proteins
Certain membrane proteins work as ________, which admit water molecules, while others work
as ________, which admit small molecules or ions - ANS-pores; channels
What is the term given to the difference in concentration of particles from one area to another -
ANS-gradient
T/F: When molecules move down a concentration gradient, it means that there is a net
movement of particles from a region lower concentration to a region oh higher concentration. -
ANS-False
correct Answers 2025/2026 A+ Graded
100% Verified
What is found in the cytoplasm? - ANS-organelles, cytosol, cytoskeleton
A network of microtubules and microfilaments form a structure called the ______________ of
the cell. - ANS-cytoskeleton
The ________ is surrounded by an envelope and contains the genetic material (DNA) of the
cell. - ANS-nucleus
What is cytosol? - ANS-liquid portion of cytoplasm
A(n) _______ is a specialized structure inside a cell that performs specific functions such as
extracting energy from nutrients or building proteins. - ANS-organelles
What are functions of the cell membrane? - ANS-1) Selectively permeable barrier
2) Signal Transduction
Components of the cellular structure called the ________ include phospholipids, carbohydrates,
proteins, and cholestrol. - ANS-cell membrane
The cell membrane is composed mostly of a bilayer of - ANS-phospholipids
In the cell membrane, ________________, functions as receptors, cell surface makers,
transporters, enzymes, and cellular adhesion molecules. - ANS-proteins
Certain membrane proteins work as ________, which admit water molecules, while others work
as ________, which admit small molecules or ions - ANS-pores; channels
What is the term given to the difference in concentration of particles from one area to another -
ANS-gradient
T/F: When molecules move down a concentration gradient, it means that there is a net
movement of particles from a region lower concentration to a region oh higher concentration. -
ANS-False
