Understanding the Cell's Outer Boundary
The question asks to identify the outermost layer of a cell responsible for separating its internal components from the external surroundings. Let's analyze the options:
- Smooth muscle cell and Nerve cell are specific types of specialized cells, not general cell coverings.
- Organelles are internal structures within the cell, like the nucleus or mitochondria, and do not form the outer boundary.
- Plasma membrane (also known as the cell membrane) is a thin, flexible barrier that surrounds the cytoplasm of every cell. Its primary function is to control what enters and exits the cell, thus separating the cell's internal environment from the external environment.
Therefore, the plasma membrane perfectly fits the description of the outermost covering that separates the cell's contents from its external environment.
Final Answer: The correct answer is the Plasma membrane.
Similar Questions
_____________ are known as the powerhouse of the cell.
- Which of the following are present only in plant cells?
- Cytoplasm is a jelly-like fluid that is present between:
- Who coined the term 'protoplasm'?
- Diffusion is a process by which:
- A jelly-like substance between the nucleus and the cell membrane is called:
- The energy currency of the cell is called as :
- A single-celled fertilised egg is called a/an:
- Which of the following organelles is called suicidal bags of the cell?
- Which of the following statements is FALSE?
Important Questions from Cell
In a plant cell, which one of the following contains their own DNA?
Which one of the following structures or components is not always present in living cells?
Which one of the following statements about animal cells and plant cells is correct?
- Which one of the following statements about vacuoles' is not correct?
- A cell is unable to synthesize lipids. Which of its cell organelles might be defective?
