The biomolecule that would be the preferred dietary intake molecule the day before a long distance runner is scheduled to compete in an event is Carbohydrates. The answer is option B. Carbohydrates are considered as the base diet among athletes because it can give almost half of the energy needed especially in high intensity activities or sports. It is considered as a good fuel for athletes that can be easily replenished.
Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —. Contamination of the food chain.Human diseases: Pathogens(viruses,bacteria,fungi,protozoa etc)are biological pollutants of water. They cause typhoid,cholera,dysentery,jaundice,hepatitis.
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The immune system and the nervous system maintain extensive communication, including 'hardwiring' of sympathetic and parasympathetic nerves to lymphoid organs. Neurotransmitters such as acetylcholine, norepinephrine, vasoactive intestinal peptide, substance P and histamine modulate immune activity.
The answer is A.
The cuticle is a protective film that is non cellular covering the outer cell layer (epidermis) of green, aerial parts of plants. Cuticles protect plants against drying (desiccation), UV radiation, and various kinds of physical, chemical and (micro)biological agents.
The cuticle also provides some support. Actually the cuticle which protects the underlying tissues has basically the same function as our own skin.
In several groups of plants, cuticles are very resistant. Only few groups do not generally have highly resistant cuticles e.g. ferns and lycopods.
