Which of the following metabolic pathways is found only in prokaryotes?
A. Embden-Meyerhof-Parnas (EMP)
B. Entner-Doudoroff (ED)
C. Pentose phosphate pathway
D. Non-cyclic photophosphorylation
E. Calvin-Benson
Answer: B
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In an experiment, the development of the frontal lobe of a rat was inhibited. Predict the most likely consequence of
this procedure.
a. The rat was not able to make noises. b. The rat was unable to move. c. The rat was unable to detect touch. d. The rat was not able to process visual input. e. The rat could not hear.
Which bases would you mutate to create a nonsense transition mutation? 5?-ATG GGA TGG CAC CTG-3?
What will be an ideal response?
A cystic fibrosis patient develops a severe respiratory infection that resists treatment with standard antibiotics. A specimen from the lungs is greenish in color and contains aerobic motile Gram-negative bacilli. The patient is probably infected with
A) Bordetella pertussis. B) Burkholderia cepacia. C) Klebsiella pneumoniae. D) Pseudomonas aeruginosa. E) Serratia marcescens.
Cytokines are secreted by which cells?
A. B cells B. T cells C. Macrophages D. All of these cells can secrete cytokines.