B1 Cell Structure And Support Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
Fill in the blank: The __________ is a structure that controls what enters and leaves the cell.
cell membrane.
Which organelle is responsible for energy production in the cell?
Mitochondria.
What is the function of the nucleus in a cell?
It contains the cell’s genetic material and controls cell activities.
What type of cell contains a cell wall?
Plant cell.
Multiple choice: Which of the following is NOT a part of a prokaryotic cell? A) Nucleus B) Ribosome C) Cell membrane
A) Nucleus.
What is the jelly-like substance inside a cell called?
Cytoplasm.
True or False: Ribosomes are involved in protein synthesis.
True.
Fill in the blank: The __________ is responsible for packaging and distributing proteins in the cell.
Golgi apparatus.
What organelle is known as the ‘powerhouse of the cell’?
Mitochondria.
Which structure provides support and shape to plant cells?
Cell wall.
Multiple choice: Which cell structure is involved in detoxifying harmful substances? A) Lysosome B) Smooth Endoplasmic Reticulum C) Nucleus
B) Smooth Endoplasmic Reticulum.
What pigment is found in chloroplasts that is essential for photosynthesis?
Chlorophyll.
True or False: Animal cells have a cell wall.
False.
Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton.
What is the primary function of lysosomes?
To break down waste materials and cellular debris.
Which part of the cell is selectively permeable?
Cell membrane.
Multiple choice: Which structure is involved in lipid synthesis? A) Rough Endoplasmic Reticulum B) Smooth Endoplasmic Reticulum C) Ribosome
B) Smooth Endoplasmic Reticulum.
What is the role of the vacuole in plant cells?
To store nutrients and maintain turgor pressure.
Fill in the blank: __________ are the sites of protein synthesis.
Ribosomes.
True or False: The cell wall is made of cellulose in plant cells.
True.
What is the function of the plasma membrane?
To protect the cell and regulate the movement of substances in and out.
Which organelle is involved in the modification of proteins?
Golgi apparatus.
What are the two main types of cells?
Prokaryotic and eukaryotic.
Fill in the blank: The __________ is a double membrane that surrounds the nucleus.
nuclear envelope.
True or False: Chloroplasts are found in animal cells.
False.
