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Define food in terms of science?
Food is anything that nourishes the body to sustain life, provide energy, promote growth, etc. The body uses chemical processes to break down those foods into macronutrients and micronutrients. A macronutrient would be a protein or a carbohydrate, and micronutrients would be an amino acid or glucose (what the macronutrients get broken down into). Those nutrients go through cycles in the body (such as the Krebs cycle) to transform those nutrients into energy in the form of ATP that the body can use.
What are the general pathways through which resources cycle in ecosystems?
Resources cycle in ecosystems through biogeochemical pathways such as the carbon cycle, nitrogen cycle, and water cycle. These pathways involve the movement of resources between living organisms, the atmosphere, soil, and water bodies, contributing to the sustainability of ecosystems. Resources are continuously recycled and reused, supporting the functioning of ecosystems.
What are the differnce nutruents cycled through the biogeochemical processes?
macronutrients : required in relatively large amounts "big six": carbon hydrogen oxygen nitrogen phosphorous sulfur other macronutrients: potassium calcium iron magnesium micronutrients : required in very small amounts, (but still necessary) boron (green plants) copper (some enzymes) molybdenum (nitrogen-fixing bacteria)
How do you know what nutrients are in food?
Nutrient information in food can be found on nutrition labels, food databases, or through specialized software. These sources provide details on the macronutrients (carbohydrates, proteins, fats) and micronutrients (vitamins, minerals) contained in a specific food item.
Where do shrub get their energy?
Nutrients, photosynthates and water describe where shrubs get their energy. Water-soluble macronutrients, such as nitrogen, phosphorus and potassium, and micronutrients, such as iron, manganese and zinc, enter roots and shoots through osmosis and the reverse gravity of capillary action from soils into plants. Photosynthates provide starches and sugars through the interactions of carbon dioxide, chlorophyll and sunlight.
The three main pathways through which a blood flows?
the three pathways through wich blood flows are the arteries,veins,and capillaries
In general chemicals enter ecosystems through which two spheres?
In general, chemicals enter ecosystems primarily through the atmosphere and the hydrosphere. The atmosphere introduces chemicals via air pollutants and gases through processes like precipitation, while the hydrosphere contributes through water bodies that can carry dissolved substances and runoff. These pathways facilitate the movement of nutrients, pollutants, and other chemicals, impacting ecosystem health and function.
How does poison pass through an environment?
Poison can pass through an environment through different pathways such as air, water, soil, or direct contact with living organisms. It can enter food chains, bioaccumulate in organisms, and have cascading effects on ecosystems and human health. Regulatory measures are in place to minimize such environmental impacts.
Which bacterial metabolic pathways reduce sulfur?
Bacterial metabolic pathways that reduce sulfur include sulfate reduction, where sulfate (SO₄²⁻) is converted into hydrogen sulfide (H₂S) by sulfate-reducing bacteria (SRBs) through dissimilatory sulfate reduction. Additionally, some bacteria can reduce thiosulfate (S₂O₃²⁻) to sulfide. These processes are critical in the sulfur cycle, contributing to the recycling of sulfur in various ecosystems.
What are the tube like structures that serve as pathways through which blood is carried throughout the body?
Veins, arteries and capillaries are the pathways in which blood is carried throughout the body.
Which are pathways through which blood carries food to all parts of the body?
aria
Why aren't nucleic acids on a nutrition label?
Nucleic acids, which include DNA and RNA, are not typically included on nutrition labels because they are not considered essential nutrients for human health. The body can break down nucleic acids into their constituent nucleotides and recycle them, so they do not need to be consumed in significant amounts through diet. Additionally, the focus of nutrition labels is primarily on macronutrients (carbohydrates, proteins, and fats) and micronutrients (vitamins and minerals) that are directly linked to health outcomes.
