Science Flashcards
(27 cards)
What is the basic unit of life?
The cell.
True or False: All living organisms are made of cells.
True.
Fill in the blank: The ____ is the control center of the cell.
nucleus.
What is the function of the cell membrane?
It controls what enters and leaves the cell.
Which organelle is responsible for energy production?
Mitochondria.
What is the jelly-like substance inside the cell called?
Cytoplasm.
Which type of cell lacks a nucleus?
Prokaryotic cell.
Multiple choice: Which of the following is a part of plant cells but not animal cells? (A) Cell membrane (B) Cell wall (C) Mitochondria
B) Cell wall.
What structure gives plant cells their shape?
Cell wall.
True or False: Ribosomes are responsible for protein synthesis.
True.
What is the function of the endoplasmic reticulum?
It helps in the production and transport of proteins and lipids.
Fill in the blank: The ____ is responsible for packaging and distributing proteins.
Golgi apparatus.
What is the function of lysosomes?
They digest waste materials and cellular debris.
Which organelle is involved in photosynthesis?
Chloroplast.
Multiple choice: Which of the following is not a function of the cell membrane? (A) Protection (B) Energy production (C) Communication
B) Energy production.
What is the difference between plant and animal cells?
Plant cells have a cell wall and chloroplasts; animal cells do not.
True or False: All cells have a cell wall.
False.
What are the two main types of cells?
Prokaryotic and eukaryotic cells.
Fill in the blank: The ____ stores genetic information.
nucleus.
What is the role of the vacuole in plant cells?
It stores nutrients and waste products.
Multiple choice: Which organelle is known as the ‘powerhouse of the cell’? (A) Nucleus (B) Ribosome (C) Mitochondria
C) Mitochondria.
What is the role of the cytoskeleton?
It provides structure and support to the cell.
True or False: Cells can only divide by a process called mitosis.
False.
What is the function of the plasma membrane?
It regulates the movement of substances in and out of the cell.