What is the role of the nucleus in a eukaryotic cell?

The nucleus acts as the control centre, storing genetic material and regulating cell activities, including protein synthesis and cell division.

Fill in the blank: The total magnification of a compound light microscope is calculated using the formula: Total magnification = power of ocular × power of ___.

Objective

True or False: Plant cells contain centrioles, while animal cells do not.

False; Plant cells generally lack centrioles, whereas animal cells typically have them.

What are the primary functions of mitochondria within a cell?

Mitochondria are responsible for producing energy through cellular respiration and synthesizing ATP.

Riddle: I have a double membrane and am known as the powerhouse of the cell. What am I?

Mitochondrion

Fill in the blank: The cell membrane is described by the fluid mosaic model, which includes a phospholipid bilayer with ___ proteins embedded within.

Integral

What is the main difference between the rough and smooth endoplasmic reticulum?

Rough ER synthesizes proteins; Smooth ER synthesizes lipids.

• RER has ribosomes on surface.

• SER lacks ribosomes entirely.

• RER is key for protein synthesis.

MCQ: Which of the following structures is responsible for photosynthesis in plant cells? A) Mitochondria B) Chloroplasts C) Ribosomes D) Golgi apparatus

B) Chloroplasts

True or False: Animal cells have a large central vacuole, similar to that found in plant cells.

False; Animal cells typically have smaller vacuoles compared to the large central vacuole found in plant cells.

What is the primary purpose of the Golgi apparatus in a cell?

The Golgi apparatus processes, modifies, and packages proteins and secretions for transport within or outside the cell.