life processes.

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

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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