White blood cells (D) aid in the immune system to fight infections.
Answer:
answer is integral protein
Carbohydrates, lipids, and protein have potential energy, and can be used in aerobic respiration to generate .
Carbohydrate- A carbohydrate is a naturally occurring substance or a derivative of one, made composed of molecules of carbon, hydrogen, and oxygen. The most prevalent organic compound is a carbohydrate, and all life depends on them.
Lipids- Fatty, waxy, or oily molecules are referred to as lipids. They are soluble in organic solvents but insoluble in polar solvents like water.
Protein- Large, intricate molecules known as proteins serve a variety of vital functions in the body. They are crucial for the construction, operation, and control of the body's tissues and organs and carry out the majority of their job inside cells.
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Longitudinal studies make comparisons over time, whereas cross-sectional studies make comparisons at a single point in time. hope that helps some
D. Lichens live on other plants and provide nutrients for them, it’s a type of symbiotic relationship.
