Fichas
Mitosis
Fichas del conjunto (19)
- 1What does cell division allow our cells to do?Survive and grow
- 2How many pairs of chromosomes are there in the human body?23
- 3How many copies of each chromosome does the human body have?2
- 4Where do the two chromosomes in each pair come from?One from the mother
One from the father - 5When a body cell divides, are the new cells identical to the original cell?Yes - the new cells are identical to the mother cell
- 6When the new cells made are identical to the original, what is this type of cell division called?Mitosis
- 7What do plants and animals use mitosis for?To grow and to replace cells that have been damaged
- 8How is the DNA spread out in cells that are not dividing?In long strings
- 9What form does DNA take when it is copied and duplicated?X-shaped chromosome - each are is an exact replicate of the other
- 10Where do the chromosomes line up before they are divided?At the centre of the cell
- 11What pulls the X-shaped chromosomes apart?Cell fibres
- 12Where do the two arms of the X-shaped chromosome go when they are separated?To opposite sides of the cell
- 13What forms around each of the sets of chromosomes?Membranes
- 14What do the membranes become?The nuclei of the two new cells
- 15What divides to create two new cells?The cytoplasm
- 16What is asexual reproduction?A type of reproduction from which new organisms are made from a single organism
- 17Does asexual reproduction use mitosis?Yes - some organisms, such as strawberry plants, form runners in this way which become new plants
- 18Do the offspring in asexual reproduction by mitosis have the same genes have the original cell?Yes. There is no variation
- 19CREDITSCGP
GCSE Additional Science
Exam Board: AQA
Higher Level Revision Guide
All questions are reworded - not direct from the book.
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- GCSE Biology and Physics Fichas sobre Mitosis, creado por Keera el 11/11/2014.
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- Keera
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