The citric acid cycle evolved from preexisting metabolic pathways. Evidence includes organisms that do not use the citric acid cycle, but have genes coding for enzymes used in the citric acid cycle Which of the statements about the evolution of the citric acid cycle are consistent with existing knowlege? Can […]

Question 1 : Characteristics of a malignant state include: 1) Dysregulation of the cell cycle and 2) Inhibition of apoptosis. These mechanisms are also hallmarks of a many viral infections? Why are these characteristics also beneficial to many viruses? Explain how viral genes/proteins from a specific virus dysregulate the cell […]

1. What’s the difference between a root and a rhizoid?2. Alternation of generations is a type of life cycle found in which of the following?All land plant species only some kinds of land plants multicellular protistsUnicellular protists some animals3. What are the “two hallmarks” (p. 574) of alternation of generations? […]

Find a product that you have noticed recently and perceive to be new. Examine how the internet is being used to bring this new product to the consuming public. In 3-5 paragraphs, answer the following questions: 1. What do you perceive the future of the new product to be? 2. […]