Answer:
A. homologous structures
Explanation:
The answer is homologous structures.
A male cat and a male dog both have masculine penile <em>structures. </em>
They are are two different organisms, but the two penises are in a similar form because they are both penises.
Same Structures = Homo Structures
Same with any other parts
Answer: Between 8 and 14
Explanation: Ammonia is an inorganic compound of formula NH₃. Also known as ammonium hydroxide, it behaves as a weak base.
pHydrion paper is a chemical test indicator, i.e., it indicates the pH of a substance.
If inserted in Ammonia, pHydrion will indicate a range of 8 to 14 because in pH scale, indication of base is over 8 and up to 14. The exact number depends on the hydrogen ion concentration of the substance.
Answer: Catalase functions the best at the pH of 7 because the pH of 7 is not too acidic or alkaline. It is on the normal scale, like water. Catalase can't be placed in an acidic liquid. It can not be placed in an alkaline liquid either.
Hope this helps!
Answer: billions of types of proteins
