Bio cell structure Flashcards
(55 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
What structure surrounds the cell and controls the movement of substances in and out?
The cell membrane.
What is the function of the nucleus in a cell?
It contains the genetic material and controls cellular activities.
Fill in the blank: The jelly-like substance inside the cell is called __________.
cytoplasm.
What organelle is responsible for producing energy in the form of ATP?
Mitochondria.
What is the role of ribosomes in a cell?
They are the site of protein synthesis.
True or False: Plant cells have a cell wall.
True.
What is the function of the cell wall?
To provide structure and support to the cell.
What organelle is responsible for photosynthesis in plant cells?
Chloroplast.
What is the function of the endoplasmic reticulum?
To synthesize proteins and lipids.
Multiple Choice: Which of the following is NOT found in prokaryotic cells? A) Nucleus B) Ribosomes C) Cell membrane
A) Nucleus.
Fill in the blank: The __________ is the control center of the cell.
nucleus.
What organelle modifies and packages proteins for secretion?
Golgi apparatus.
True or False: Lysosomes contain digestive enzymes.
True.
What is the role of the cytoskeleton?
To provide structural support and shape to the cell.
What is the function of vacuoles in plant cells?
To store substances and maintain turgor pressure.
Multiple Choice: Which type of cell lacks a defined nucleus? A) Eukaryotic B) Prokaryotic C) Both
B) Prokaryotic.
What is the primary component of the cell membrane?
Phospholipids.
Fill in the blank: The __________ is a semi-permeable barrier that surrounds the cell.
cell membrane.
What is the function of chlorophyll?
To absorb light energy for photosynthesis.
True or False: Animal cells have a cell wall.
False.
What is the primary role of the nucleolus?
To produce ribosomal RNA (rRNA).
What organelle is known as the ‘powerhouse of the cell’?
Mitochondria.