Flashcards in Topic 2 Deck (16):
Define ‘Diploid cells’.
A cell that has two copies of each chromosome. (One from mother, one from father)
How does a cell undergo mitosis? Give the order.
Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
When the cell copies its DNA in preparation for mitosis
The chromosomes condense and the membrane around the nucleus breaks down.
The chromosomes line up in the centre of the cell.
Cell fibres pull chromosomes apart. The 2 arms of the chromosome go to opposite ends of the cell.
Membranes form around each set of chromosomes. These become the nuclei of the 2 new cells.
The cytoplasm and cell membrane dividing
What is a meristem in a plant?
A bit of tissue found in growing parts of a plant that contains stem cells.
What is the medulla oblongata used for in the brain?
To control unconscious activities such as breathing and heart rate
What is the cerebellum used for?
Responsible for muscle coordination and balance.
What do dendrites and dendrons do?
Carry nerve impulses towards the cell body
What do axons do?
Carry nerve impulses away from the cell body
One long dendron, one short axon
Many short dendrites, One long axon