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ROUTE: when an action potential arrives at the neuromuscular junction, Calcium ions are released from the sarcoplasmic reticulum, into the sarcoplasm, wh...

Phagocytosis occurs:The Macrophage surrounds and envelops the pathogen with pseudopodia The pseudopodia envelops the bacteria completely forming a vesicle, called a phagosomephagosome is fused with a lyso...

Prophase [1 mark] nuclear membrane breaks down [1 mark] chromosomes condense [1 mark] Metaphase [ 1 mark] chromosomes are lined up [ 1 mark] along the cell's equator [1 mark]Anaphase [1 mark] one set of c...

Protiens are polymer of amino acidsAmino acids are joined by peptide bondsPeptide bonds are formed by condensation4 different structures Primary structure is sequence of amino acids held together by pepti...

There are four ways that a chromosome can mutate; deletion, duplication, inversion and translocation. Each of these mutations will result in a change in eit...