What happens when a plant has ‘foolish seedling’ disease? What will be an ideal response?
In this disease, the fungus Gibberella fujikuroi infects rice. The fungus produces a chemical called
gibberellin, a mimic of a plant hormone. Gibberellin causes nodes to elongate - a natural growth
process. However, the fungus exposes to the plant to so much hormone that the plant grows beyond its
ability to support itself and falls over.
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Heterotrophic bacteria are able to break down large food items
a. by ingesting them with pseudopods. b. with exoenzymes. c. by breaking them up with cilia. d. by crushing with their larger relative size. e. by using their cell membranes to pinch the food into smaller pieces.
Green Bacteria Phototrophy
What will be an ideal response?
All of the following are examples of epigenetic changes except
A. microbial mucinase digests the protective lining of mucous membranes. B. microbe binds to small RNAs disrupting gene regulation. C. host cell genome is altered, interrupting transcription. D. histones are altered, which affects replication and transcription.
The inheritance of human traits is predictable because the genes controlling them exhibit the principles
of both ____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).