Specialised Cells and Stem Cells (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What is differentiation in cells?
What is differentiation in cells?
Process where cells develop specific roles
What is the function of spiral mitochondria in sperm cells?
What is the function of spiral mitochondria in sperm cells?
Generate ATP through aerobic respiration
How do root hair cells absorb mineral ions from soil?
How do root hair cells absorb mineral ions from soil?
Active transport requiring ATP energy
How many chloroplasts may each palisade cell contain?
How many chloroplasts may each palisade cell contain?
30-40 chloroplasts
What happens when guard cells become turgid?
What happens when guard cells become turgid?
The stoma opens due to cell bending
Which cells are totipotent?
Which cells are totipotent?
Zygote & cells from very early embryo
What can pluripotent stem cells differentiate into?
What can pluripotent stem cells differentiate into?
Any body cell but not extra-embryonic
What cells are replaced in Parkinson's disease stem cell therapy?
What cells are replaced in Parkinson's disease stem cell therapy?
Dopamine-producing neurons
Why does using a patient's own stem cells reduce rejection risk?
Why does using a patient's own stem cells reduce rejection risk?
Immune system recognises cells as 'self'
In the Parkinson's study, what did Group A results show?
In the Parkinson's study, what did Group A results show?
Intermediate dopamine, higher than Group B