B1 cell differentiation and specialisation Flashcards
What is cell differentiation?
The process by which a less specialized cell becomes a more specialized cell.
True or False: All cells in an organism have the same DNA.
True.
Fill in the blank: Cells become specialized through a process called __________.
differentiation.
What is the main purpose of cell specialization?
To allow cells to perform specific functions efficiently.
What type of cells are stem cells?
Undifferentiated cells that can develop into specialized cell types.
Multiple Choice: Which of the following is a specialized cell? A) Red blood cell B) Stem cell C) Skin cell D) Both A and C
D) Both A and C.
What is the role of a nerve cell?
To transmit electrical signals throughout the body.
True or False: Muscle cells are specialized for contraction.
True.
Fill in the blank: The process by which stem cells develop into different types of cells is known as __________.
cell differentiation.
What is meant by ‘specialized cells’?
Cells that have specific structures and functions tailored to their roles.
Multiple Choice: Which cell type is responsible for carrying oxygen in the blood? A) Neuron B) Red blood cell C) Muscle cell D) Epithelial cell
B) Red blood cell.
What is the function of a sperm cell?
To fertilize an egg cell.
True or False: All specialized cells can divide indefinitely.
False.
Fill in the blank: __________ cells are specialized for absorption in the intestines.
Epithelial.
What do we call the process where cells lose their ability to divide?
Cell senescence.
Multiple Choice: Which of the following is NOT a type of specialized cell? A) Blood cell B) Skin cell C) Stem cell D) Nerve cell
C) Stem cell.
What type of cell is a bone cell?
Osteocyte.
True or False: Differentiation can occur in adult organisms.
True.
Fill in the blank: The primary function of white blood cells is to __________.
fight infections.
What is the significance of gene expression in cell differentiation?
It determines which proteins are produced, leading to the specialization of cells.
Multiple Choice: Which specialized cell is responsible for the transport of nutrients and waste in the body? A) Neuron B) Epithelial cell C) Blood cell D) Muscle cell
C) Blood cell.
What is the role of a root hair cell in plants?
To absorb water and minerals from the soil.
True or False: All cells can become any type of cell.
False.
Fill in the blank: The __________ is the basic unit of life.
cell.
What type of differentiation do embryonic stem cells undergo?
They can differentiate into any cell type in the body.
Multiple Choice: Which of the following cell types is specialized for movement? A) Epithelial cell B) Muscle cell C) Nerve cell D) Blood cell
B) Muscle cell.