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What is the primary function of the cell membrane?
To protect the cell and regulate what enters and leaves.
Fill in the Blank: The __________ is the powerhouse of the cell.
Mitochondria
Define cytoplasm.
The jelly-like substance within the cell that contains organelles.
Question: What is the role of ribosomes in a cell?
To synthesize proteins.
Vocabulary: Nucleus
The organelle that contains the cell's genetic material.
Fill in the Blank: The __________ is responsible for photosynthesis in plant cells.
Chloroplast
What structure controls the movement of substances in and out of the cell?
Cell membrane.
Definition: Golgi apparatus
An organelle that modifies, sorts, and packages proteins and lipids.
Fill in the Blank: The __________ provides structural support and protection for plant cells.
Cell wall
Question: What is the main difference between prokaryotic and eukaryotic cells?
Prokaryotic cells lack a nucleus, while eukaryotic cells have a nucleus.
What are the small, membrane-bound structures that perform specific functions within a cell?
Organelles.
Vocabulary: Endoplasmic reticulum
An organelle involved in the synthesis of proteins and lipids.
Fill in the Blank: The __________ in the cell is responsible for breaking down waste materials and cellular debris.
Lysosome
Question: How do plant cells differ from animal cells in terms of structure?
Plant cells have a cell wall and chloroplasts, while animal cells do not.
Definition: Plasma membrane
A semi-permeable membrane that surrounds the cell.
Fill in the Blank: The __________ helps in the production of ATP during cellular respiration.
Mitochondria
What is the function of the cytoskeleton?
To maintain the cell's shape and provide support.
Vocabulary: Vacuole
A storage organelle found in plant cells.
Question: What are the two types of endoplasmic reticulum?
Rough ER and Smooth ER.
Fill in the Blank: __________ are structures that transport materials within the cell.
Vesicles
What is the role of chlorophyll in plant cells?
To absorb light energy for photosynthesis.
Definition: Phospholipid bilayer
A double layer of phospholipids that makes up the cell membrane.
Fill in the Blank: The __________ is involved in detoxifying harmful substances in the cell.
Smooth endoplasmic reticulum
Question: What is the function of the nucleolus?
To produce ribosomal RNA.
Vocabulary: Chromosome
A structure made of DNA that contains genetic information.
Fill in the Blank: __________ is the process by which cells divide and replicate.
Cell division
What is the function of the cell wall?
To provide rigidity and support to the plant cell.
Definition: Centriole
A structure involved in cell division, helping to organize the spindle fibers.
Fill in the Blank: __________ transport requires energy to move substances against their concentration gradient.
Active
Question: What organelle is responsible for lipid synthesis?
Smooth endoplasmic reticulum.
Vocabulary: ATP (Adenosine triphosphate)
The energy currency of the cell.
Fill in the Blank: The __________ is involved in modifying and packaging proteins for secretion.
Golgi apparatus
What are the main components of the cell theory?
All living things are composed of cells, cells are the basic unit of life, and all cells come from pre-existing cells.
Definition: Cell cycle
The series of events that take place in a cell leading to its division and replication.
Fill in the Blank: __________ is the phase of the cell cycle where DNA is replicated.
S phase
Question: What is apoptosis?
The process of programmed cell death.
Vocabulary: Osmosis
The diffusion of water across a selectively permeable membrane.
Fill in the Blank: The __________ of the cell is involved in synthesizing proteins to be exported.
Rough endoplasmic reticulum