specialised cells

Question 1

root hair cell

Answer 1

increases surface area to maximise movement of water and minerals and a thin wall + vacuole with low weter potential for water movement

Question 2

sperm cell

Answer 2

gamates, contains mitochondria to supply energy to move around, contains acrosome (enzyme) used to break down the egg shell. includes a head, acrosome, nucleus, neck, middle piece, mitochondria, plasma membrane, flagella

Question 3

paliside mesophyll cells

Answer 3

found in leaves, contain chlorophyll and its shape allows lots of light to be absorbed for photosynthesis, vacuole maintains tugor pressure,

Question 4

egg cell

Answer 4

gametes, largest cell, zona pellacula is the outer protective layer, corona radiata provides the egg with proteins

Question 5

red blood cell

Answer 5

bioconcave shape increases surface area
nu nucleus to make more room for heamoglobin
is flexible so it can squeeze through capillaries

Question 6

white blood cells

Answer 6

plays an important role in the immune system, can squeeze through small gaps, contains enzymes to digest pathogens
neutrophil, multi lobed nucleus, granulated cytoplasm