The-Living-World Question 647
The life begins above which embryonic level. [RPMT 1999]
Options:
A) Molecule
B) Amino acid is a molecule containing a carboxyl group, an amino group, a hydrogen atom, and a variable side chain.
C) Mixture is a blend of two or more substances in which each substance retains its own chemical properties.
D) Compound. A compound is a substance formed when two or more different elements are chemically bonded together.
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Answer:
Correct Answer: B
BETA
