life processes.

?
P G A Q F J S C N S H W X C F D T N L K S
G S V M L D T U I O X A R B T G Y X Q J N
D P C J Y P S T O G E T E N E R G Y D S H
A N V M L R Y H L W E P W I L X P C O G N
Y B D P U Q L E F L T F O L J W G L D Q X
J W J U N A A A S K A X D B A K C U T A R
S D E C G A T C W S R P U E S S M A O D D
T C W B S H A T L D T X J Y N X X I H M N
S M V I K A C I R L S W R K K E K S U F J
N P C C I U L V K F B L O P X W W O T H B
A X O W D R A E C Q U D P Y X O W M B D D
G F B U N X C S L G S N R K G X V A P V D
Y L T O E U I I R X A U L P K Y G K A H D
E P P D Y W G T W X S T M I X G W Q X F O
B E P D S I O E X T D F N Y X E M V C U D
C N L F S W L T G O F W F V Q N U R E V K
P K S S K L O E N O K G Y M Q D K I R P L
E Q Y A I M I W H N I R D O G E I T K X K
E F P X N X B T C L M U S V A B N F Y L J
A P Y Y Y C W K B M F Q R O Y T U P R J B
W P L O D W W S G P R M K E O N B G R Y D

Clues

  • what are enzymes? (10, 9)
  • what is the area that the substrate attaches to called? (3, 6, 4)
  • what is the molecule that an enzyme acts on called? (1, 9)
  • what is the volume of oxygen needed to completely oxidise the lactic acid that builds up in the body during anaerobic respiration is called? (6, 4)
  • which organs excrete? (5, 7, 4)
  • why do organisms respire? (2, 3, 6)

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