Oxygen is made and so is glucose (its actually sugar, but glucose is better sounding) by combining carbon dioxide and water using light energy as a source of energy. Also like to make sugars.
Fertilizers can make their way into water sources when it rains and when the fertilizer makes it into a lake, the harsh chemicals from the fertilizer will pollute the water.
It’s someone’s opinion so the key word “best hints that it an opinion so to be objective is to be unbiased. If you're objective about something, you have no personal feelings about it.
The portion of the membrane that faces the lumen is called the apical membrane.
Membrane is the lipid bilayer that surrounds the cell on its outer surface. The membrane serves various functions like: protection, cell shape and integrity and regulate the traffic of molecules across the membrane. It is semi-permeable in nature.
Lumen is the hollow portion present inside any organ or tube like the artery or intestine. It is a Latin word that means 'an opening'. The lumen of different organs served various purposes. However, the major function is the transport of substances like air, nutrients, waste materials, immune cells, hormones, etc.
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