Answer the following questions true (T) or false (F)
1. The phenomenon known as species resistance is a highly specific defense against infectious agents.
2. Some toll-like receptors (TLRs) are found on the surface of host cells and recognize specific microbial molecules.
3. Innate immunity is not effective against fungus infections.
1. FALSE
2. TRUE
3. FALSE
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What non-skeletal adaptations allowed fishes to evolve into land dwellers?
What will be an ideal response?
Which of the following is not true of the transcription-activation domains of transcriptional activators?
A. Many are composed of acidic, proline-rich, or glutamine-rich regions. B. They are thought to be relatively unstructured. C. These domains are likely to interact with DNA. D. These domains interact with other proteins.
The thylakoid sacs found inside a __________ are where photosynthesis happens in plant cells.
Fill in the blank(s) with the appropriate word(s).
Which statement best describes the value of fungi in the environment?
A. Fungi “fix” nitrogen from the air for use by plants. B. Fungi trap sunlight energy in the form of carbohydrates. C. Fungi release nutrients from organic matter. D. Fungi enrich the soil by decreasing the rate of decay of organic matter. E. Fungi remove toxic metals from the soil.