Answer:
- Ethylene
- Thigmotropism a response to touch
Explanation:
1. Plant hormones or phytohormones are of different types with varying functions. They include; auxins, gibberellins, ethylene, abssicic acid etc. Specifically, ETHYLENE or ETHENE is responsible for hastening the ripening process in fruits of plants.
2. Tropism refers to the response of an organisms to stimuli. There are different types of tropism depending on the stimuli source.
- Phototropism is the response of a plant to light
- Thigmotropism is a response to touch
- Geotropism is the response to gravity.
Icthyology would be characterized by the fact that it has to do with fish.
<span>1. Protozoa are single celled, eukaryotic organisms that exhibit animal-like behaviour.
2. Viruses consists only of genetic material and a protein coat, and they are known to cause a wide variety of diseases such as AIDS.
3. Fungi have characteristics similar to plants, but they do not have root systems like plants do and they also do not rely on chlorophyll to photosynthesize.
4. Bacteria make up this category.
5. Rickettsiae is a genus of bacteria that are intracellular parasites.</span>
I would say it deactivates, because enzymes are picky about the type of environment they are in and will only work if they have the right environment. Hope i help.