cell biology Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are composed of cells.
True.
What organelle is responsible for energy production in the cell?
Mitochondria.
Fill in the blank: The jelly-like substance inside a cell is called _____ .
cytoplasm.
Which part of the cell contains the genetic material?
Nucleus.
What is the function of the cell membrane?
To protect the cell and regulate what enters and exits.
Multiple Choice: Which of the following is NOT a type of cell? A) Prokaryotic B) Eukaryotic C) Organelle D) Stem
C) Organelle.
True or False: Plant cells have chloroplasts, while animal cells do not.
True.
What is the primary function of ribosomes?
To synthesize proteins.
Fill in the blank: The _____ is a network of protein filaments that helps the cell maintain its shape.
cytoskeleton.
What structure is responsible for packaging and transporting proteins?
Golgi apparatus.
Multiple Choice: Which of the following structures is found only in plant cells? A) Cell wall B) Cell membrane C) Nucleus D) Mitochondria
A) Cell wall.
What is the role of lysosomes in a cell?
To break down waste materials and cellular debris.
True or False: The endoplasmic reticulum is involved in lipid and protein synthesis.
True.
Fill in the blank: _____ are the sites of photosynthesis in plant cells.
Chloroplasts.
