OBJECTIVE LIFE SCIENCE
BIOCHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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sodium chloride
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glucose
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water
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carbon dioxide
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Detailed explanation-1: -(b) There is abundance of water in living matter. It is the only polar molecule in living organisms, that can diffuse through a cell membrane without active transport. It is vital for a number of metabolic reactions and one of the raw materials for photosynthesis.
Detailed explanation-2: -The most abundant compound in most living things is water. Water is a compound of hydrogen(H) and oxygen(O), and its chemical formula is written as H2 O.
Detailed explanation-3: -Water is the single most abundant compound in living things. Your cells are composed of 70–95% water.
Detailed explanation-4: -The elements that are present in the highest quantities in living organisms are oxygen, carbon, hydrogen, nitrogen, sulfur, and phosphorus. These elements make up about 99% of their living mass.