when large organisms become differentiated to carry out particular jobs. as it happens then cells can gain or lose sub-cellular structures
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how are nerve cells specialised to carry electric impulses around the body of an animal
The have lots of dendrites to make connections to other here cells, an axon to carry an impulse from one place to another. also contain many mitochondria to provide the energy needed to make special chemcials
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how are muscle cells specialised to contract and relax
they contain special proteins, contain many mitochondria to transfer energy needed for chemical reactions to take place, store glycogen to transfer the energy needed for contraction
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How are sperm cells specialised to fertilise an egg
a long tail to move, a long middle section full of mitochondria, a large nucleus that contains genetic info to be passed off, enzymes for breaking down outer layers of the egg.
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Card 2
Front
how are nerve cells specialised to carry electric impulses around the body of an animal
Back
The have lots of dendrites to make connections to other here cells, an axon to carry an impulse from one place to another. also contain many mitochondria to provide the energy needed to make special chemcials
Card 3
Front
how are muscle cells specialised to contract and relax
Back
Card 4
Front
How are sperm cells specialised to fertilise an egg
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