ما هي الخليه Flashcards
الخليه هي وحده البناء (50 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are composed of cells.
True.
Fill in the blank: The __________ is the control center of the cell.
nucleus.
What organelle is responsible for energy production in the cell?
Mitochondria.
Multiple choice: Which of the following is not a part of the cell theory? A) All living things are made of cells B) Cells are the basic unit of life C) All cells have a nucleus D) All cells come from pre-existing cells.
C) All cells have a nucleus.
What is the function of the cell membrane?
To protect the cell and regulate what enters and exits.
What structure is found in plant cells but not in animal cells?
Cell wall.
True or False: Ribosomes are involved in protein synthesis.
True.
What is the jelly-like substance inside the cell called?
Cytoplasm.
Fill in the blank: The __________ is responsible for packaging and transporting proteins.
Golgi apparatus.
Multiple choice: Which type of cell lacks a nucleus? A) Eukaryotic B) Prokaryotic C) Both A and B D) None of the above.
B) Prokaryotic.
What is the primary function of lysosomes?
To digest and break down waste materials and cellular debris.
True or False: Chloroplasts are found in animal cells.
False.
What is the role of the endoplasmic reticulum?
To synthesize proteins and lipids.
Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton.
Multiple choice: Which of the following organelles is involved in detoxifying harmful substances? A) Mitochondria B) Smooth Endoplasmic Reticulum C) Ribosomes D) Lysosomes.
B) Smooth Endoplasmic Reticulum.
What is the function of the nucleolus?
To produce ribosomal RNA (rRNA).
True or False: The plasma membrane is selectively permeable.
True.
What is the function of vacuoles in plant cells?
To store nutrients and waste products.
Fill in the blank: The __________ is involved in cell division.
centrosome.
Multiple choice: Which organelle is known as the ‘powerhouse of the cell’? A) Nucleus B) Mitochondria C) Golgi apparatus D) Ribosomes.
B) Mitochondria.
What is the primary role of the cell wall?
To provide structure and support to the cell.
True or False: All cells have a cell membrane.
True.
