Which of the following yeasts is not pathogenic to humans?
A. Saccharomyces
B. Cryptococcus
C. Candida
D. Saccharomyces and Cryptococcus
Answer: A
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What are mobile genetic elements, and how do they affect host organisms?
What will be an ideal response?
Spider crabs are an osmoconforming species, which likely means:
A. they regulate their solute concentration within their environment. B. they have the same solute concentration as their environment. C. they have the same temperature as their environment. D. they regulate their temperature within their environment.
Which of the following energy-generating processes is the only one that occurs in all living organisms:
a) glycolysis. b) photophosphorylation. c) the Krebs cycle. d) electron transformer system. e) None of the above. There are no energy-generating processes that occur in all living organisms.
Some diseases are linked to the under or over expression of specific genes. A particular cancer is characterized by the overexpression of a gene. Do you predict the histones associated with this gene to be acetylated? Describe why this would lead to
increased gene expression and how histone acetyl transfer (HAT) and histone deacetylase (HDAC) could be involved. What will be an ideal response?