AS Biology Revision

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

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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