18 Questions
What is the primary role of the cell in biological organisms?
To store and transfer genetic information
Which of the following is NOT a major characteristic of cells?
They are visible to the naked eye
According to the Cell Theory, which statement is correct?
Cells arise only from pre-existing cells
What is the primary function of the nucleus in a eukaryotic cell?
To store and distribute genetic material
Which of the following is NOT a type of cell found in mammals?
Chloroplast cells
What is the primary function of the cellular membrane?
To regulate the movement of substances in and out of the cell
What is the function of the Rough Endoplasmic Reticulum in a cell?
Protein synthesis
What is a common structure found in all cells?
Ribosome
How does cell size affect the diffusion of materials within the cell?
As cell size increases, diffusion becomes slower
Which type of cell contains a nucleoid as a region for genetic material?
Prokaryotic cell
What is a defining characteristic of eukaryotic cells compared to prokaryotic cells?
Presence of a nucleus
How much DNA can fit into a nucleus that's 0.000005 meters across?
$2$ meters of human DNA
What is the main function of a lysosome in a cell?
Digesting food
Which organelle is described as the 'solar panel of the plant cell'?
Chloroplast
What distinguishes plant cells from animal cells?
Plant cells lack chloroplasts.
The central vacuole may occupy around what percentage of a plant cell?
90%
Which cell organelle is not found in plant cells?
Lysosome
What is the main function of the lysosome in a eukaryotic cell?
Cell suicide
Explore the fundamental concepts of cell biology with a focus on the characteristics and functions of cells. Learn about the organization of molecular and biochemical systems in cells, their energy usage, movement capabilities, and responses to environmental stimuli.
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