Lactase an carbonic anhydride are examples of what type of substance is enzymes.
The answer is B I believe it to be
No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
Homozygous.
You can tell in future that if both letters are either lowercase or upper case (e.g. TT or tt) the answer is always HOMOzygous. If the letters are different cases (e.g. Tt or tT) the answer is always HETROzygous. This is because 'homo' means 'same' and 'hetero' means 'different'.
