Cells as the Basis of Life Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
What are the two main types of cells?
Prokaryotic and Eukaryotic.
Fill in the blank: Prokaryotic cells lack a _____ nucleus.
true.
Which type of cell contains membrane-bound organelles?
Eukaryotic cells.
What structure protects and gives shape to plant cells?
Cell wall.
Multiple Choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Communication C) Photosynthesis D) Transport
C) Photosynthesis.
What organelle is known as the powerhouse of the cell?
Mitochondria.
True or False: Ribosomes are involved in protein synthesis.
True.
Fill in the blank: The jelly-like substance inside the cell is called _____ .
cytoplasm.
What is the primary function of the nucleus?
To store genetic material (DNA).
Multiple Choice: Which cell organelle is responsible for detoxifying harmful substances? A) Golgi apparatus B) Lysosome C) Smooth endoplasmic reticulum D) Ribosome
C) Smooth endoplasmic reticulum.
What is the role of the Golgi apparatus?
To modify, sort, and package proteins and lipids.
True or False: Chloroplasts are found in animal cells.
False.
What is the function of lysosomes?
To digest waste materials and cellular debris.
Fill in the blank: The _____ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton.
Which component of the cell membrane is responsible for its fluidity?
Phospholipids.
Multiple Choice: Which of the following is a characteristic of prokaryotic cells? A) They have a nucleus B) They are generally larger than eukaryotic cells C) They lack membrane-bound organelles D) They contain mitochondria
C) They lack membrane-bound organelles.
What is the primary component of the cell membrane?
Phospholipid bilayer.
True or False: All cells have a cell wall.
False.
Fill in the blank: The process by which cells divide is called _____ .
cell division.
What is the function of the endoplasmic reticulum?
To synthesize proteins and lipids.
Multiple Choice: Which organelle is involved in the production of ATP? A) Ribosome B) Chloroplast C) Mitochondria D) Golgi apparatus
C) Mitochondria.
What is the basic difference between plant and animal cells?
Plant cells have a cell wall and chloroplasts; animal cells do not.