KO 1: Section 2: Specialised Cells

Question 1

Sperm cell

Answer 1

Acrosome contains enzyme to break into egg; tail to swim; many mitochondria to provide energy to swim.

Question 2

Nerve cell

Answer 2

Long to transmit electrical impulses over a distance.

Question 3

Muscle cell

Answer 3

Long extension to increase surface area for water and mineral uptake; thin cell wall.

Question 4

Xylem cell

Answer 4

Waterproofed cell wall; cells are hollow to allow water to move through.

Question 5

Phloem cell

Answer 5

Some cells have lots of mitochondria for active transport; some cells have very little cytoplasm for sugars to move through easily.