Immune Response – Section 1
1. Which of the following lymphokine(s) is secreted by delayed-type-hypersensitivity cells? A. Macrophage stimulating factor B. Migration inhibiting…
Antibody – Section 1
1. The class of immunoglobulins which can cross the placenta is A. IgM B. IgG C. IgA D.…
Polymerase Chain Reaction – Section 1
1. Which of the following infection(s) can be diagnosed by the use of polymerase chain reaction? A. HIV-1…
DNA Sequencing, Mutation and Repair – Section 1
1. Genetic variations are A. temporary B. influenced by the environment C. stable D. not heritable 2. The…
Transcription – Section 1
1. Which of the following enzyme is used for the synthesis of RNA under the direction of DNA?…
Nucleic Acid Structure – Section 1
1. In DNA sequencing, the primer A. specifies where the sequence ends B. specifies where the sequence begins…
Energy Release and Conservation – Section 1
1. Organisms can synthesize ATP by oxidative phosphorylation when they A. ferment B. oxidize glucose to pyruvate C.…
Enzyme Reaction – Section 1
1. The ability of Vibrio fischeri to convert chemical energy directly into radiant energy in bioluminescence is an…
Growth and Nutrition of Bacteria – Section 1
1. Which of the following is not the characteristic of a growth curve? A. Shows development of microbial…
Cell Cultivations – Section 1
1. Which of the following is the necessary step for cultivating the microorganisms? A. Preparing a culture medium…