BIOLOGY Module 1 Flashcards
What is the basic unit of life?
Cell
True or False: All living organisms are composed of cells.
True
Fill in the blank: The ____ is the control center of the cell.
nucleus
What structure regulates the entry and exit of substances in a cell?
Cell membrane
Which organelle is responsible for energy production?
Mitochondria
True or False: Ribosomes are involved in protein synthesis.
True
What is the jelly-like substance inside a cell called?
Cytoplasm
Which structure provides support and shape to plant cells?
Cell wall
What is the function of the endoplasmic reticulum?
Protein and lipid synthesis
Fill in the blank: The ____ is known as the powerhouse of the cell.
mitochondria
Which organelle is involved in the modification and packaging of proteins?
Golgi apparatus
True or False: Lysosomes contain enzymes that digest cellular waste.
True
What is the primary function of the cell membrane?
To protect the cell and control what enters and exits.
Which type of cell lacks a defined nucleus?
Prokaryotic cell
What is the function of chloroplasts?
Photosynthesis
Fill in the blank: The ____ are responsible for maintaining the shape of the cell.
cytoskeleton
What organelle is known as the ‘suicide bag’ of the cell?
Lysosome
Which part of the cell is selectively permeable?
Cell membrane
What is the main component of the cell wall in plants?
Cellulose
True or False: All cells have a cell wall.
False
What is the role of the nucleolus?
Ribosome production
Which organelle is responsible for detoxifying harmful substances?
Smooth endoplasmic reticulum
Fill in the blank: The ____ is the semi-permeable barrier surrounding the cell.
plasma membrane
What type of cells contain membrane-bound organelles?
Eukaryotic cells
