Topic 1 Flashcards
What is the basic unit of life?
The cell.
True or False: Prokaryotic cells have a nucleus.
False.
Fill in the blank: The semi-permeable membrane surrounding the cell is called the ______.
cell membrane.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Which organelle is responsible for energy production in eukaryotic cells?
Mitochondria.
Multiple choice: Which of the following is a characteristic of prokaryotic cells? A) Membrane-bound organelles B) Nucleus C) Circular DNA D) Multicellular
C) Circular DNA.
What is the function of ribosomes?
Protein synthesis.
True or False: All living organisms are made up of cells.
True.
What is the primary component of the cell wall in plant cells?
Cellulose.
Fill in the blank: The jelly-like substance inside the cell is called ______.
cytoplasm.
Which structure is responsible for packaging and distributing proteins?
Golgi apparatus.
Multiple choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Communication C) Energy production D) Transport
C) Energy production.
What is the role of lysosomes in a cell?
Digestion of waste materials and cellular debris.
True or False: Chloroplasts are found in animal cells.
False.
What is the function of the endoplasmic reticulum?
Synthesis of proteins and lipids.
Fill in the blank: The ______ is the control center of the cell.
nucleus.
Which cellular structure is involved in the synthesis of ATP?
Mitochondria.
Multiple choice: Which of the following structures is found in plant cells but not in animal cells? A) Mitochondria B) Ribosomes C) Cell wall D) Nucleus
C) Cell wall.
What is the significance of the fluid mosaic model?
It describes the structure of the cell membrane.
True or False: The cytoskeleton helps maintain the shape of the cell.
True.
What is the main function of vacuoles in plant cells?
Storage of substances.
Fill in the blank: The process by which cells divide is called ______.
mitosis.
Which type of cell division is involved in the production of gametes?
Meiosis.
Multiple choice: Which organelle is known as the powerhouse of the cell? A) Ribosome B) Nucleus C) Mitochondria D) Golgi apparatus
C) Mitochondria.