Cells: cells Flashcards
Which part of the cell contains the genetic data?
The nucleus
Name the organelle in an animal cell.
Nucleus, cell membrane, ribosomes, mitochondria, cytoplasm.
Name the organelle in a plant cell.
Nucleus, cell membrane, ribosomes, mitochondria, cytoplasm, chloroplasts, vacuole, cell wall.
What are the 7 life processes
Movement, reproduction, sensitivity, growth, respiration, excretion, nutrition.
Why is the red blood cell specialised?
A red blood cell specialisations:
- No nucleus and is instead filled with haemoglobin.
- Has a large surface area for absorbing oxygen efficiently.
Why is the root hair cell specialised?
A root hair cell specialisations:
- Has a thin cell wall to help it absorb water and nutrients.
- Has finger like projections to help it absorb water and nutrients.
- Has a large surface area.
Why is the egg cell specialised?
A egg cell specialisations:
- Has a wall which hardened when it is penetrated by only one sperm cell.
has only half the genetic data expected in a cell.
Why is the sperm cell specialised?
A sperm cell specialisations:
- Has extra mitochondria to help it gain more energy for swimming.
Has a tail for swimming.
Has only half the genetic data expected in a cell