2: CELLS - DIFFERENTIATION Flashcards
1
Q
What is a zygote?
A
a single cell
2
Q
How does differentiation occur?
A
- genes which are switched on will then form proteins which will shape how the cell looks and determine the cell’s function
- this leads to differentiation
3
Q
What are some examples of specialised cells?
A
- muscle cells
- nerve cells
- sperm cells
- root hair cells
- xylem cells
- phloem cells
- neutrophil
- erythrocyte
4
Q
What are neutrophil?
A
cells that perform phagocytosis
5
Q
What are the adaptations of neutrophil?
A
many lysosomes to secrete digestive enzymes used in phagocytosis
6
Q
What is an erythrocyte?
A
a red blood cell
7
Q
What are the adaptations of an erythrocyte?
A
- biconcave
- no nucleus
- haemoglobin
