1) Lipids are the waxy, greasy, oily molecules found in the body.
2)They are water-insoluble (hydrophobic), and this property is useful in the organisation of cells and tissues.
3)Lipids can be extracted from cells using non-polar solvents . Example chloroform or benzene.
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Answer:
Animals and humans depend on plants for many things, and without plants, there could be no life on Earth.
Explanation:
1. Plants are the primary producers. They are the only organisms that can make their own food. Animals, who are incapable of making their own food, depend on plants for their supply of food.
2.The oxygen that animals breathe comes from plants. Through photosynthesis, plants take energy from the sun, carbon dioxide from the air, and water and minerals from the soil. They then give off water and oxygen. Animals then use oxygen process called respiration. Respiration is the process used by organisms to release energy from food, and carbon dioxide is given off.
3.Plants also provide habitat for many species of animals. The plants provide food, shelter from weather (rain, sun), nesting place, sleeping ground and hideout from predators.
For example: Different animals live in different parts of the rainforest. Scientists divide the rainforest into zones based on the living environment.
Answer:
Ferrous sulfate is the form of iron that is most easily ingested. Ferrous gluconate, but may have less uncomfortable side effects. Supplements are also absorbed better if taken on an empty stomach.
Explanation:
Iron from food comes in two forms: heme and non-heme. Heme is found only in animal flesh like meat, poultry, and seafood. Non-heme iron is found in plant foods like whole grains, nuts, seeds, legumes, and leafy greens. The absorption of most dietary iron occurs in the duodenum and proximal jejunum and depends heavily on the physical state of the iron atom. At physiological pH, iron exists in the oxidized, ferric (Fe3+) state. To be absorbed, iron must be in the ferrous (Fe2+) state or bound by a protein such as heme.