Cell: Basic Unit Of Life Flashcards
What is the basic unit of life?
The cell.
True or False: All living organisms are made up of cells.
True.
Fill in the blank: The cell theory states that all living things are composed of ______.
cells.
What are the two main types of cells?
Prokaryotic and Eukaryotic.
Which type of cell lacks a nucleus?
Prokaryotic cell.
Multiple Choice: Which of the following is a characteristic of eukaryotic cells? A) No nucleus B) Complex organelles C) Smaller size
B) Complex organelles.
What organelle is known as the powerhouse of the cell?
Mitochondria.
True or False: Ribosomes are responsible for protein synthesis.
True.
Fill in the blank: The ______ is a semi-permeable membrane that surrounds the cell.
cell membrane.
What is the jelly-like substance inside the cell called?
Cytoplasm.
Multiple Choice: Which organelle is responsible for photosynthesis? A) Chloroplast B) Golgi apparatus C) Lysosome
A) Chloroplast.
What is the function of the nucleus in a cell?
To store genetic material and control cell activities.
True or False: The cell wall is present in animal cells.
False.
Fill in the blank: The ______ is responsible for packaging and distributing proteins.
Golgi apparatus.
What structure in the cell is responsible for maintaining homeostasis?
Cell membrane.
Multiple Choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Communication C) Energy production
C) Energy production.
What are lysosomes often referred to as?
The digestive system of the cell.
True or False: All cells have the same shape and size.
False.
Fill in the blank: The ______ helps in the synthesis of lipids.
smooth endoplasmic reticulum.
What is the role of the rough endoplasmic reticulum?
To synthesize and transport proteins.
Multiple Choice: Which organelle is involved in the detoxification of drugs? A) Ribosome B) Smooth ER C) Nucleus
B) Smooth ER.
What is apoptosis?
Programmed cell death.
True or False: Bacteria are examples of eukaryotic cells.
False.
Fill in the blank: The ______ contains the cell’s DNA.
nucleus.
What is the function of the cytoskeleton?
To provide structural support and shape to the cell.
Multiple Choice: Which structure is NOT found in prokaryotic cells? A) Ribosomes B) Nucleus C) Cell membrane
B) Nucleus.
What is the primary function of the cell’s plasma membrane?
To control the movement of substances in and out of the cell.
