_____________ are known as the powerhouse of the cell.
Identifying the Cell's Powerhouse
The "powerhouse of the cell" is a nickname given to the specific organelle responsible for generating the majority of the cell's energy currency.
Why Mitochondria?
Mitochondria are correctly identified as the powerhouse of the cell. Their main function is cellular respiration, a process that converts chemical energy from nutrients (like glucose) into adenosine triphosphate (ATP). ATP is vital for powering most cellular activities.
Evaluating Other Organelles
Let's look at why the other options are not the primary energy generators:
- Cytoplasm: This is the gel-like substance filling the cell. While glycolysis (the first stage of breaking down glucose) occurs here, it produces only a small amount of ATP compared to mitochondria.
- Endoplasmic Reticulum: This organelle is crucial for synthesizing proteins and lipids, but it does not generate significant amounts of ATP.
- Nucleus: The nucleus houses the cell's DNA and controls the cell's growth and reproduction. It is the control center, not the power generator.
Based on their function in producing the bulk of cellular energy (ATP), Mitochondria are the powerhouse.
Similar Questions
- The energy currency of the cell is called as :
- Which is the outermost covering of the cell that separates the contents of the cell from its external environment?
- Cytoplasm is a jelly-like fluid that is present between:
- A jelly-like substance between the nucleus and the cell membrane is called:
- A single-celled fertilised egg is called a/an:
- Which of the following is a membrane-bound sac filled with digestive enzymes?
- Who coined the term 'protoplasm'?
- Diffusion is a process by which:
- Which of the following are present only in plant cells?
What is the main characteristic of cells in the meristematic phase of growth in plants?
Important Questions from Cell
Which of the following is an epithelial tissue?
I. Squamous
II. Ciliated
Cells of ______ and ______ tissues are living cells.
The process of converting ammonia into nitrates is called:
Which of the following is not true about prokaryotic cells?
Fore limbs of whale, bat, tiger and man are examples of
