AS Biology Revision

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

Clues

  • a chemical bond formed between two amino acids (7, 4)
  • a protein produced by lymphocytes in response to the presence of the appropriate antigen (8)
  • a type of white blood cell that produces antibodies (1, 10)
  • an antibody produced by a single clone of cells (10, 8)
  • mechanism by which cells engulf particles to form a vesicle or a vacuole (12)
  • process of separating particles of different sizes and densities by spinning them at a high speed in centrifuge (14)
  • the breaking down of large molecules into smaller ones by the addition of water molecules (10)
  • the introduction of a vaccine containing appropriate disease antigens into the body in order to induce artificial immunity (11)
  • the process whereby a chromatid breaks during meiosis and rejoins to the chromatid of its homologous chromosome so that their alleles are exchanged (8, 4)
  • the shrinkage of cytoplasm away from the cell wall that occurs as a plant cell loses water by osmosis (11)

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