WorksheetsQuiz on Document Details
Total questions: 15
Worksheet time: 8mins
Which of the following is NOT a basic substance found in protoplasm?
Water
Electrolytes
Proteins
DNA
Which of the following is a characteristic of cellular membranes?
Rigid and thick
Fluid and thin
Solid and impermeable
Brittle and fragile
What is the role of the cell membrane in relation to ions, as depicted in the image?
It allows all ions to pass freely.
It acts as a barrier to ions.
It converts ions into gases.
It synthesizes ions.
Which molecule is shown in the image as a small polar molecule?
CO2
Ethanol
Glucose
Na+
What is the role of the cell membrane in relation to gases, as depicted in the image?
It prevents gases from entering.
It allows gases to pass freely.
It converts gases into ions.
It synthesizes gases.
How does the cell membrane maintain the intracellular environment?
By changing the cell's DNA.
By maintaining a constant environment inside the cell.
By producing energy.
By dissolving organelles.
Which of the following is NOT a component of the plasma membrane mentioned in the text?
Cholesterol
Glycolipids
Ribosomes
Glycoproteins
What do biological membranes act as barriers to?
Lipid-soluble molecules
Hydrosoluble molecules
Gas molecules
Solid particles
What is one function of the glycocalyx in cell membranes?
Energy production
Cell identification
Protein synthesis
DNA replication
Which blood type is considered the universal donor?
AB+
O+
O-
A-
Which blood type can A- donate to?
A+ and AB+
A- and AB-
B+ and AB+
O+ and A+
What is the role of carrier proteins in the cell membrane?
To store energy
To facilitate active transport
To produce enzymes
To create pores
What is the main purpose of endocytosis?
To release waste
To engulf extracellular fluid
To synthesize proteins
To divide cells
What is the term for the movement of substances through the cell membrane without energy?
Active transport
Endocytosis
Passive transport
Exocytosis
Which of the following is NOT involved in the process of phagocytosis?
Pseudopods
Solid particles
Vesicles
Liquid droplets
