Indicate Which Item in the Following Answer Code Best Matches

question 146

Short Answer

Indicate which item in the following answer code best matches the description in each question by writing the appropriate letter in the blank.
-Contains enzymes utilized for penetration of ovum

---

Definitions:

CaCO3

Calcium carbonate, a common substance found in rocks as the minerals calcite and aragonite and in the shells of marine organisms, eggs, and snails, used in building material and as a dietary supplement.

Reaction Rate

The speed at which reactants are converted into products in a chemical reaction.

Reaction Measurement

The process of quantifying the progress, rate, or yield of a chemical reaction using various methods like spectroscopy, calorimetry, or chromatography.

H2S

Hydrogen sulfide, a toxic, colorless gas with a characteristic odor of rotten eggs, widely found in nature and industrial processes.