AS Biology Revision

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

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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