In plants
A) immune defence is similar to that of invertebrates.
B) some species resemble mammals by having molecules coded by specific genes to be able to recognise particular pathogens.
C) immune mechanisms are local.
D) a circulatory system enables immune defence.
E) only the cell wall provides protection from invasion.
Correct Answer:
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Q24: The immune system
A) includes secondary lymphoid organs
Q25: Allergenic responses occur because of:
A) infection through
Q26: Which of the following statements is INCORRECT?
A)
Q27: Most fatal cancerous tumours are allowed to
Q28: Which of the following statements about immunity
Q30: Complement is
A) a series of about 20
Q31: Evolution of the immune system has resulted
Q32: T-cell receptors (TCR) and Immunoglobulins (Ig) are
Q33: Innate defence mechanisms are
A) only relevant to
Q34: If a pathogen passes the initial external
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