In the Voges-Proskauer Test, You Are Testing for the Metabolic

question 30

Multiple Choice

In the Voges-Proskauer test, you are testing for the metabolic by-products of which pathway?

• A)Glucose ® formic acid ® formaldehyde
• B)Glucose ® pyruvic acid ® mixed acid fermentation
• C)Lactose ® glucose ® 2,3 butanediol
• D)Glucose ® pyruvic acid ® acetoin ® diacetyl KOH

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Definitions:

Trophoblast

The outer layer of cells surrounding a blastocyst in early pregnancy, which develops into the placenta and provides nutrients to the embryo.

Amniotic Sac

A fluid-filled sac that surrounds and protects the embryo and fetus in the uterus during pregnancy.

Zygote

The first cell created through the fusion of an egg cell and a sperm cell, signifying the start of a new organism's growth.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus while removing waste products through the umbilical cord.