Cells : The Basic Unit Of Life Flashcards
What is the basic unit of life?
Cell
True or False: All living organisms are made up of cells.
True
Fill in the blank: The cell membrane is also known as the __________.
plasma membrane
What organelle is responsible for energy production in the cell?
Mitochondria
Which part of the cell contains genetic material?
Nucleus
What is the function of ribosomes?
Protein synthesis
True or False: Prokaryotic cells have a nucleus.
False
What structure provides support and shape to plant cells?
Cell wall
Multiple Choice: Which of the following is NOT a type of cell? A) Eukaryotic B) Prokaryotic C) Organelle D) Bacterial
C) Organelle
What is the jelly-like substance inside a cell called?
Cytoplasm
Fill in the blank: The __________ is the control center of the cell.
nucleus
True or False: Animal cells have a cell wall.
False
What is the function of the endoplasmic reticulum?
Protein and lipid synthesis
What organelle is known as the ‘digestive system’ of the cell?
Lysosome
Multiple Choice: Which of the following is a characteristic of prokaryotic cells? A) Membrane-bound organelles B) No nucleus C) Larger size D) Multicellular
B) No nucleus
What type of cell division occurs in somatic cells?
Mitosis
Fill in the blank: The __________ is responsible for packaging and distributing proteins.
Golgi apparatus
True or False: Chloroplasts are found in animal cells.
False
What is the primary function of the cell membrane?
Regulate what enters and exits the cell
What are the two main types of cells?
Prokaryotic and eukaryotic
Multiple Choice: Which organelle is involved in energy production? A) Ribosome B) Golgi apparatus C) Mitochondria D) Nucleus
C) Mitochondria
What is the role of the cytoskeleton?
Provide structure and support to the cell
Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton
True or False: Eukaryotic cells are generally larger than prokaryotic cells.
True
What is the function of vacuoles in plant cells?
Storage of substances
What do you call the process by which cells divide to form two identical daughter cells?
Mitosis
Multiple Choice: Which of the following structures is involved in protein synthesis? A) Mitochondria B) Ribosomes C) Lysosomes D) Vacuoles
B) Ribosomes
What is the main component of the cell membrane?
Phospholipids
Fill in the blank: The __________ is a double membrane that surrounds the nucleus.
nuclear envelope
True or False: All cells have a cell wall.
False
What is the primary function of lysosomes?
Digest waste materials and cellular debris
What organelle is responsible for photosynthesis?
Chloroplast
Multiple Choice: Which part of the cell is selectively permeable? A) Cell wall B) Cytoplasm C) Cell membrane D) Nucleus
C) Cell membrane
What is the function of the nucleolus?
Ribosome production
Fill in the blank: The __________ is involved in the synthesis of lipids.
smooth endoplasmic reticulum
True or False: All cells contain ribosomes.
True
What is the role of the Golgi apparatus?
Modifying, sorting, and packaging proteins
Multiple Choice: Which of the following is a characteristic of eukaryotic cells? A) No membrane-bound organelles B) Larger size C) Unicellular only D) No nucleus
B) Larger size
What is the term for the movement of water across a semi-permeable membrane?
Osmosis
Fill in the blank: The __________ is the liquid part of the cytoplasm.
cytosol
True or False: Plant cells have chloroplasts, while animal cells do not.
True
What is the function of the cell wall in plant cells?
Provide structure and protection
What type of cells are bacteria classified as?
Prokaryotic cells
Multiple Choice: Which of the following organelles is involved in detoxification? A) Ribosomes B) Smooth ER C) Golgi apparatus D) Mitochondria
B) Smooth ER
What is the main purpose of cellular respiration?
To produce energy (ATP) from glucose
Fill in the blank: The __________ is a series of membranes that assist in protein and lipid synthesis.
endoplasmic reticulum
True or False: The nucleus is the largest organelle in the cell.
True
What is the primary role of chlorophyll in plant cells?
Absorb light energy for photosynthesis
What is the process of cell division that results in gametes?
Meiosis
Multiple Choice: Which organelle is responsible for modifying and packaging proteins? A) Mitochondria B) Golgi apparatus C) Ribosomes D) Nucleus
B) Golgi apparatus