Which one of the following double-stranded sequences will NOT be recognized by a Type IIP restriction endonuclease? (A) 5′–GGTACC–3′ 3′–CCTAGG–5′ (B) 5′–GGATCC–3′ 3′–CCTAGG–5′ (C) 5′–CATATG–3′ 3′–GTATAC–5′ (D) 5′–GATTTC–3′ 3′–CTAAAG–5′
1 Answer The most abundant class of immunoglobulins in serum is __________. (A) IgM (B) IgA (C) IgD (D) IgG
1 Answer In which of the following processes is glutaraldehyde used as a sterilizing agent? (A) Pasteurization (B) Incineration (C) Cold sterilization (D) Autoclaving
1 Answer Who among the following scientists was the pioneer in the development of chemotherapy? (A) Elie Metchnikoff (B) Robert Koch (C) Paul Ehrlich (D) Ronald Ross
1 Answer Which one of the following organisms has axial filaments? (A) Mycobacterium tuberculosis (B) Pasteurella multocida (C) Treponema pallidum (D) Shigella dysenteriae
1 Answer Which one of the following bacterial species can cause atypical pneumonia? (A) Chlamydia pneumoniae (B) Streptococcus pneumoniae (C) Klebsiella pneumoniae (D) Haemophilus influenzae
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