cholesterol in the cell membrane is to maintain stability, anchor other molecules, and keep the membrane fluid in cold temperatures.
When humans taste or smell, receptors unique to each nerve cell detect the chemical and send signals to the brain, where many cells process the message to understand what we are smelling or tasting. But a bacterium is just a single cell, and it must use many different receptors to sense and interpret everything around it.
This is a good question, I feel that a species can only consist of a specific type of organism. Example "dogs" and "wolves" species name is canus lupus and a dog's is canus familiarus. <span>A population can consist of multiple species.
</span>
The correct answer should be A. spores. Ferns don't have seeds and they reproduce using spores
Answer:
Plants harvest energy from the sun with the help of chlorophyll and carotenoid, two photon-capturing molecules. But if the plants are exposed to too much sun, these molecules absorb more energy than they can handle and generate reactive species of oxygen that can destroy the plant.