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Biology: A Level AQA Paper 1| Kingsbury-Questions and Answers
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Biology: A Level AQA Paper 1| Kingsbury-Questions and Answers
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Biology: A Level AQA Paper 1| Kingsbury-Questions andAnswers
neutrophil Correct Ans-a type of white blood cell that engulfs foreign matter and traps it in
a large vacuole (phagosome). which fuses with lysosomes to digest the foreign matter.
cytokines Correct Ans-hormone like molecules used in cell signalling to stimulate the
immune response
opsonins Correct Ans-proteins that bind to the antigen on a pathogen and then allow
phagocytes to bind
secondary defences Correct Ans-defences which attack pathogens that have entered the
body
antibodies Correct Ans-specific proteins released by plasma cells that can. attach to
pathogenic antigens.
,Biology: A Level AQA Paper 1| Kingsbury-Questions and
Answers
clonal expansion Correct Ans-an increase in the number of cells by mitotic cell division
interleukins Correct Ans-signalling molecules that are used to comunicate between
different white blood cells
T regulator cells Correct Ans-cells that are involved with inhibiting or ending the immune
response
primary immune response Correct Ans-the initial response caused by first infection
secondary immune response Correct Ans-a more rapid and vigorous response caused by a
second or subsequent infection by the same pathogen
T killer cells Correct Ans-Attack and Kill Host-Body Cells that Display Foreign Antigens
,Biology: A Level AQA Paper 1| Kingsbury-Questions and
Answers
T helper cells Correct Ans-Releases Cytokines that stimulates B cells to develop and
stimulate phagocytosis by the phagocytes
T memory cells Correct Ans-Provide long term immunity
Plasma Cells Correct Ans-Manufacture antibodies.and release antibodies
B memory cells Correct Ans-cells that remain in the blood for a long time, providing long-
term immunity
Neutrophils Correct Ans-WBC that engulfs foreign matter and traps it in a phagosome-
lysosome digests the foreign matter
, Biology: A Level AQA Paper 1| Kingsbury-Questions and
Answers
Basiphils Correct Ans-Contains anticoagulant heparin that prevents blood from clotting too
quickly
Eosinophils Correct Ans-Disease fighting WBC
Macrophage Correct Ans-Large white blood cell that removes bacteria, foreign particles,
and dead cells
monocyte Correct Ans-a leukocyte that performs phagocytosis to fight infection
pathogen Correct Ans-a microorganism that causes disease
vector Correct Ans-an organism that carries a pathogen from one host to another
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