Cell Structure And Fuction Flashcards
(27 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are composed of cells.
True.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Fill in the blank: Prokaryotic cells do not have a __________.
nucleus.
What organelle is known as the powerhouse of the cell?
Mitochondria.
Which part of the cell contains the genetic material?
Nucleus.
What is the function of ribosomes?
Protein synthesis.
True or False: The cell membrane is selectively permeable.
True.
What structure is responsible for packaging and transporting proteins?
Golgi apparatus.
Fill in the blank: The __________ is responsible for maintaining the cell’s shape.
cytoskeleton.
What is the function of lysosomes?
Digestion of waste materials and cellular debris.
Which organelle is involved in photosynthesis?
Chloroplast.
What is the fluid component of the cell where organelles are suspended?
Cytoplasm.
True or False: Eukaryotic cells are usually larger than prokaryotic cells.
True.
What is the role of the endoplasmic reticulum?
Synthesis of proteins and lipids.
Fill in the blank: The __________ is a semi-permeable barrier that surrounds the cell.
cell membrane.
Which structure is found only in plant cells?
Cell wall.
What is the primary function of the vacuole in plant cells?
Storage of substances.
What is the primary difference between rough and smooth ER?
Rough ER has ribosomes; smooth ER does not.
True or False: The nucleolus is where ribosomal RNA is produced.
True.
What is the function of centrioles?
Involved in cell division.
Fill in the blank: __________ are membrane-bound organelles that contain enzymes for digestion.
Lysosomes.
What is the role of the plasma membrane?
Regulates the movement of substances in and out of the cell.
What structure provides protection and support to plant cells?
Cell wall.
