Put the Following Steps of Stomach Acid Production in the Correct

question 48

Multiple Choice

Put the following steps of stomach acid production in the correct order starting with the reaction that requires an enzyme.
1) Carbonic acid dissociates.
2) Chloride ion combines with H+ in the gastric lumen.
3) Water and CO2 combine to form carbonic acid.
4) H+ and bicarbonate ion are transported into the gastric lumen.
5) Cl- diffuses into the gastric lumen.

• A) 3, 1, 2, 5, 4
• B) 1, 3, 5, 2, 4
• C) 4, 5, 3, 1, 2
• D) 4, 5, 1, 2, 3
• E) 3, 1, 4, 5, 2

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Definitions:

Charophytes

Group of green algae closely related to land plants.

Molecular Data

Information obtained at the molecular level, such as DNA sequences, that is used in various fields including genetics and systematics.

Archaeplastids

A group in the eukaryotic tree of life that includes red algae, green algae, and land plants, characterized by the presence of plastids with a double membrane.

Antheridium

(pl., antheridia) In plants, the multicellular male gametangium (sex organ) that produces sperm cells. Compare with archegonium.