I’m not sure what your asking. But if you have 2 different alleles of a gene it will be heterozygous
Answer:
Oxygen is used to break down sugar and sugars release energy
The type of social media platform.
(Sorry don’t know another one)
Answer:
Option A, a compound that contains carbon atoms bound to other elements
Explanation:
An organic compound is one which has at least one carbon atom that is bonded to several other atoms (may be metallic or non metallic) by a single or double bond is termed as organic compound . The most common atoms with which carbon forms bond are hydrogen, nitrogen,and oxygen.
Some common examples are -
Methane - 
Methanol - 
Hence, option A is correct