Specialised cells (Edexcel GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the tiny hair-like structures on ciliated epithelial cells called?
What are the tiny hair-like structures on ciliated epithelial cells called?
Cilia
Where are ciliated epithelial cells commonly found in the body?
Where are ciliated epithelial cells commonly found in the body?
Lining of the respiratory tract
How do ciliated epithelial cells move substances along the tissue surface?
How do ciliated epithelial cells move substances along the tissue surface?
In 1 direction
How many chromosomes does a sperm cell's haploid nucleus contain compared to a normal body cell?
How many chromosomes does a sperm cell's haploid nucleus contain compared to a normal body cell?
Half the number
What does the acrosome in the sperm cell head contain?
What does the acrosome in the sperm cell head contain?
Enzymes
Which part of the sperm cell is packed with mitochondria?
Which part of the sperm cell is packed with mitochondria?
Middle section
How do sperm cells and egg cells compare in size?
How do sperm cells and egg cells compare in size?
Sperm smallest, egg largest
What does the cytoplasm of an egg cell contain that supports the early embryo?
What does the cytoplasm of an egg cell contain that supports the early embryo?
Nutrients
What happens to the egg cell membrane after fertilisation by a single sperm?
What happens to the egg cell membrane after fertilisation by a single sperm?
Changes to prevent more sperm entering
Why do both sperm and egg cells have haploid nuclei?
Why do both sperm and egg cells have haploid nuclei?
So zygote has correct chromosome number