Amphipathic molecules
A. possess only hydrophilic properties.
B. possess only hydrophobic properties.
C. possess both hydrophilic and hydrophobic properties.
D. possess neither hydrophilic nor hydrophobic properties.
E. tend not to interact with other molecules.
C. possess both hydrophilic and hydrophobic properties.
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By controlling the concentration of nutrients added into a chemostat continuously, cells can constantly be maintained at
A) exponential growth phase. B) stationary growth phase. C) log or stationary growth phase. D) death growth phase.
Which of the following is not a characteristic of Saccharomyces cultures?
a. The cells are haploid. b. The cells have a relatively short generation time. c. Cells reproduce asexually by budding. d. The cells can be induced to reproduce sexually. e. All answers are true of Saccharomyces cultures.
Explain how genetic mutations that cause neurodegenerative disorders such as Huntington disease and Alzheimer
disease can also cause abnormal behavior. What will be an ideal response?
Aerobic bacteria:
a) lack mitochondria. b) keep their respiratory enzymes in their nucleus. c) have mitochondria and undergo respiration in the same manner as fungi. d) Both b) and c) are correct. e) Both a) and b) are correct.