Specialised Cells

Question 1

Sperm cells

Answer 1

-middle section contains many mitochondria which release energy for respiration
-flagellum to swim faster/ greater distances
-digestive enzymes in acrosome to digest egg cell membrane

Question 2

Egg cells

Answer 2

-haploid nucleus
-jelly coat which only the digestive enzymes in the sperms acrosome can digest and hardens when a sperm has entered
-large cytoplasm to supply nutrients if egg is fertilised

Question 3

Red blood cell

Answer 3

-bioconcave shape to increase surface area so more oxygen can bind
-no nucleus so it’s able to contain more haemoglobin

Question 4

Ciliated eptherial cells

Answer 4

-move egg along the Fallopian tube
-move mucus along air pipe

Question 5

Root hair cell

Answer 5

-many mitochondria to release energy for active transport
-large vacuole to keep shape
-large surface area to speed up osmosis
-no chloroplasts as it’s underground

Question 6

Microvilli

Answer 6

-in small intestine
-allow maximum food absorption