AQA GCSE cell structure Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
What structure controls the movement of substances in and out of the cell?
The cell membrane.
Fill in the blank: The jelly-like substance inside a cell is called _______.
cytoplasm.
What organelle is responsible for energy production in the cell?
Mitochondria.
Which organelle is known as the ‘powerhouse of the cell’?
Mitochondria.
What is the function of ribosomes?
Protein synthesis.
True or False: The nucleus contains the cell’s genetic material.
True.
What is the role of the cell wall in plant cells?
To provide structure and support.
Which organelle is involved in the modification and packaging of proteins?
Golgi apparatus.
What is the function of lysosomes?
To break down waste materials and cellular debris.
Fill in the blank: Plant cells contain _______ that animal cells do not.
chloroplasts.
What is the primary function of chloroplasts?
Photosynthesis.
Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are made of cells B) Cells arise from pre-existing cells C) Cells can spontaneously generate D) Cells are the basic unit of life.
C) Cells can spontaneously generate.
What is the function of the endoplasmic reticulum?
To synthesize proteins and lipids.
True or False: Prokaryotic cells have a nucleus.
False.
What type of cell is characterized by the absence of a membrane-bound nucleus?
Prokaryotic cell.
Fill in the blank: The _______ is the control center of the cell.
nucleus.
What is the primary component of the cell membrane?
Phospholipids.
Multiple Choice: Which of the following organelles is involved in detoxifying harmful substances? A) Ribosome B) Lysosome C) Smooth Endoplasmic Reticulum D) Golgi Apparatus.
C) Smooth Endoplasmic Reticulum.
What structure provides shape and protection to plant cells?
Cell wall.
True or False: Both plant and animal cells contain mitochondria.
True.
What is the function of vacuoles in plant cells?
To store nutrients and waste products.
Fill in the blank: The _______ is responsible for maintaining homeostasis in the cell.
cell membrane.
What is the role of cytoskeleton in the cell?
To provide structural support and shape.
Which organelle is involved in the synthesis of lipids?
Smooth Endoplasmic Reticulum.
