Cell and Nuclei Structure Practice Test| Latest Questions and Answers| A level
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Course
Cell Biology
Institution
Cell Biology
Cell and Nuclei Structure Practice Test|
Latest Questions and Answers| A level
**cytoplasm**
The jelly-like substance that fills the inside of the cell, providing a medium for chemical
reactions to occur and holding organelles in place.
**mitochondria**
The powerhouse of the cell, respon...
Cell and Nuclei Structure Practice Test|
Latest Questions and Answers| A level
**cytoplasm**
The jelly-like substance that fills the inside of the cell, providing a medium for chemical
reactions to occur and holding organelles in place.
**mitochondria**
The powerhouse of the cell, responsible for converting nutrients into ATP energy through
cellular respiration.
**cell membrane**
A selectively permeable barrier that surrounds the cell, controlling the movement of
substances in and out of the cell.
**vacuole**
A storage organelle that holds materials such as water, nutrients, and waste, helping to
maintain proper pressure within the cell.
**chloroplast**
An organelle found in plant cells that captures light energy and converts it into chemical
energy through photosynthesis.
1
, **Golgi apparatus**
The organelle responsible for modifying, packaging, and distributing proteins and lipids to
different parts of the cell or for export.
**endoplasmic reticulum (ER)**
A network of membranes that aids in the production and transport of proteins (rough ER) and
lipids (smooth ER) within the cell.
**lysosome**
A membrane-bound organelle containing digestive enzymes that break down waste materials
and cellular debris.
**centrioles**
Organelles that help organize the assembly of microtubules during cell division.
**microtubules**
Cylindrical structures that help support and shape the cell, also involved in intracellular
transport and cell division.
**nucleolus**
2
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