Movement of cell against concentration gradient is called a.osmosis
<span>Lipids are fat,play multiple roles in the body. Fats are broken down in the digestive tract to form individual fatty acids and cholesterol molecules. Fatty acids and cholesterol are key components of the membranes that surround all cells
</span><span>Proteins are large and fairly complex molecules that are responsible for doing most of the work that occurs in cells. They also are needed to maintain the structure of cells and are critical for the function and regulation of all of the body's tissues. T</span>
Phospholipids consist of glycerol, phosphate group and two fatty acid chain.
Answer:yes
Explanation:
Impure substance is a mixture of 2 or more molecules
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