Question Bank

Which molecule acts as a 'fluidity buffer' in the animal cell membrane?

What is the primary role of the 'Signal Recognition Particle' (SRP) in a cell?

Which of the following enzymes is responsible for unwinding the DNA double helix during replication?

In plant cytokinesis, the 'cell plate' is formed by the fusion of vesicles from which organelle?

What is the function of the enzyme 'Catalase' found in peroxisomes?

The 9+2 arrangement of microtubules is a characteristic feature of:

What is the primary function of the 'Nucleolar Organizer Region' (NOR) of a chromosome?

Which component of the cytoskeleton is responsible for 'ameboid movement' and 'cleavage furrow' formation?

The G0 phase of the cell cycle is a state where the cell:

Glycosylation of proteins (adding sugar chains) occurs mostly in the:

What is the role of 'Plasmodesmata' in plant cells?

Which of the following is an example of 'Active Transport'?

Which nitrogenous base is found in RNA but not in DNA?

The process of 'Programmed Cell Death' is scientifically known as:

What is the diameter of a typical eukaryotic ribosome (80S)?

Which phase is the longest stage of the entire cell cycle?

In the cell membrane, the hydrophobic tails of phospholipids face:

Which organelle contains its own genome and follows maternal inheritance in humans?

What is the function of 'Kinetochore' proteins?

Which of these is a function of the Cytoskeleton?