Which of the following statements is true regarding Wolbachia bacteria?
A. Wolbachia co-evolved with insects.
B. Wolbachia can selectively kill male insect
embryos.
C. Wolbachia can convey Dengue-resistance
in insects.
D. Wolbachia can affect the reproductive
structures of its insect hosts.
E. All of these statements about Wolbachia
are true.
E
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Which of the following is mismatched?
A) Escherichia coli - genetics B) Drosophila - embryogenesis C) Mouse - immunology D) Chlamydomonas - cell differentiation E) Arabidopsis - plant gene function
Most eukaryotic genes are cloned directly into the vector for expression in prokaryotes
Indicate whether this statement is true or false.
The major function of the protonephridia in the flatworm is to:
a. conserve water. b. conserve salts. c. eliminate waste materials such as ammonia and urea. d. eliminate excess water. e. regulate the pH of the gastrovascular cavity.
What is true regarding cytokines?
A. Cytokines protect in the attack of pathogens by phagocytosis. B. Cytokines bind to intracellular receptors. C. Cytokines are immune cells involved in producing antibodies. D. Cytokines are secreted by TH cells and bind to receptors. E. Cytokines are secreted by pathogens during infection.