Made of 4 nitrogen bases; Adenine, Thymine, Guanine, and Cytosine; Base- 1 po Pairing Rules says: A hooks to T: G hooks to C*
Carbohydrates
Lipids
Proteins
Nucleic Acids
Main source of quick energy for most animals
int

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

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