Answer:
A. All organisms need water as energy source
In carbohydrates the C:H:O is 1:2:1
Answer:
Characteristics: Oxygen in its common form (O2) is a colorless, odorless and tasteless diatomic gas. Oxygen is extremely reactive and forms oxides with nearly all other elements except noble gases. Oxygen dissolves more readily in cold water than warm water.
Spanish System is not the name of a measurement system
WHAT IS MEASUREMENT SYSTEM?
- Measurement system are standard systems that are made up of collection is of units of measurement and guiding rules.
- Measurement system relates numerical values to physical quantities. There are three major system of measurements in use, they are:
- The international system of units (S.I units)
- The British imperial system
Hence, Spanish System is not one of the names of measurement of systems.
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The unique identity of amino acid is that each amino acid is bonded to each central atom known as R-group.
Explanation:
Amino acids are nothing but a basic structure which has a central atom called the "alpha carbon atom". This 
carbon atom is bonded to an "amino group" (
), a "carboxyl group" (COOH) or a "hydrogen atom".
There are totally "20 types" of amino acids having a central atom bonded from the R-group. For example: When the R-group is hydrogen, then the amino acid is named glycine. Similarly, if it is attached to methyl group, then the amino acid is alanine. This makes the amino acids unique.
