Cell Structure Flashcards
What is the basic unit of life?
The cell.
True or False: All living things are made of cells.
True.
What part of the cell controls what enters and leaves the cell?
The cell membrane.
Fill in the blank: The _____ is the part of the cell that contains the genetic material.
nucleus.
What is the jelly-like substance inside the cell called?
Cytoplasm.
What organelle is responsible for energy production in the cell?
Mitochondria.
Which part of the cell is responsible for making proteins?
Ribosomes.
True or False: Plant cells have a cell wall.
True.
What is the function of the cell wall?
To provide structure and support to the cell.
What organelle is found in plant cells but not in animal cells?
Chloroplasts.
Multiple Choice: Which of the following is NOT a part of the cell? A) Nucleus B) Cell Membrane C) Heart
C) Heart.
What is the role of the vacuole in a cell?
To store nutrients and waste products.
Fill in the blank: The _____ helps in packaging and distributing proteins.
Golgi apparatus.
True or False: All cells have the same shape.
False.
What is the function of lysosomes?
To break down waste materials and cellular debris.
What is the outer layer of an animal cell called?
Cell membrane.
Multiple Choice: Which of the following organelles is known as the powerhouse of the cell? A) Nucleus B) Mitochondria C) Ribosome
B) Mitochondria.
What structure protects and gives shape to a plant cell?
Cell wall.
True or False: Ribosomes can be found floating freely in the cytoplasm.
True.
What do chloroplasts contain that allows plants to make food?
Chlorophyll.
Fill in the blank: The _____ is responsible for controlling the activities of the cell.
nucleus.
What is the main difference between prokaryotic and eukaryotic cells?
Prokaryotic cells do not have a nucleus, while eukaryotic cells do.
What are the tiny structures within a cell that perform specific functions called?
Organelles.
Multiple Choice: Which part of the cell is involved in detoxifying harmful substances? A) Mitochondria B) Smooth Endoplasmic Reticulum C) Cell Wall
B) Smooth Endoplasmic Reticulum.
What is the primary function of the endoplasmic reticulum?
To transport materials within the cell.
Fill in the blank: The _____ is involved in the synthesis of lipids.
Smooth Endoplasmic Reticulum.
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
What structure surrounds the cell and controls what enters and exits?
The cell membrane.
Fill in the blank: The jelly-like substance inside a cell is called ______.
cytoplasm.
What is the function of the nucleus in a cell?
It stores genetic material and controls cellular activities.
Which organelle is responsible for energy production?
Mitochondria.
What is the primary function of ribosomes?
Protein synthesis.
True or False: Plant cells have chloroplasts, while animal cells do not.
True.
What is the function of the endoplasmic reticulum?
It assists in the synthesis and transport of proteins and lipids.
What are the two types of endoplasmic reticulum?
Rough ER and Smooth ER.
Fill in the blank: The ______ is involved in packaging and modifying proteins.
Golgi apparatus.
What structure in the cell is responsible for detoxifying harmful substances?
Smooth endoplasmic reticulum.
What is the role of lysosomes?
They digest waste materials and cellular debris.
True or False: The cytoskeleton provides structural support to the cell.
True.
What are the three main components of the cytoskeleton?
Microfilaments, intermediate filaments, and microtubules.
What is the main function of the plasma membrane?
To protect the cell and regulate the movement of substances in and out.
Fill in the blank: The ______ is a double membrane that surrounds the nucleus.
nuclear envelope.
What is chromatin?
A complex of DNA and proteins found in the nucleus.
Which organelle is known as the ‘powerhouse of the cell’?
Mitochondria.
What is the primary role of chloroplasts?
To conduct photosynthesis in plant cells.
True or False: Prokaryotic cells have a nucleus.
False.
What is the difference between prokaryotic and eukaryotic cells?
Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have them.
What are vacuoles primarily used for in plant cells?
Storage of substances and maintaining turgor pressure.
Fill in the blank: The ______ is a rigid outer layer found in plant cells.
cell wall.
What is the function of centrioles?
They are involved in cell division and the formation of spindle fibers.
What type of cells have a cell wall?
Plant cells and some prokaryotic cells.
