Which of the Following Sets, Is a List of the Symbols

question 8

Multiple Choice

Which of the following sets, is a list of the symbols that could represent the following substances, respectively? lead a compound of equal parts hydrogen and oxygen elemental oxygen

• A) PB, H₂O₂, O
• B) Pb, HO, O
• C) Pb, H₂O₂, O₂
• D) PB, HO, O₂

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Definitions:

Intrinsic Factor

A substance secreted by parietal cells in the lining of the stomach. It is necessary for vitamin B12 absorption.

Sucrase

An enzyme that digests sugars.

Maltase

An enzyme that breaks down maltose into glucose during digestion.

Lactase

Lactase is an enzyme found in the small intestine that is responsible for the digestion of lactose, the sugar found in milk.