B2 fin Flashcards
1
Q
How chromosome in human body
A
46, 23 pairs
2
Q
How does cell cycle work (basically mitosis)
A
Stage 1: cell grows bigger, makes two copes of each chromosome, and increase number of sub-cellular structures
Stage 2: mitosis, when one set of chromosomes is pulled to other end of cell and nucleus divides
Stage 3: when cytoplasm, and cell membrane divide to form two identical daughter cells
3
Q
What is a stem cell
A
A stem cell is an undifferentiated cell of an organism which is capable of
giving rise to many more cells of the same type
4
Q
Meristem tissue
A
Meristem tissue in plants can differentiate into any type of plant cell,
throughout the life of the plant.
