Of the following which is absent in eggs:
**Core Concept**
The question is asking about the absence of a particular substance or component in eggs. This requires knowledge of the nutritional and biochemical composition of eggs.
**Why the Correct Answer is Right**
Eggs are a rich source of various nutrients, including proteins, lipids, vitamins, and minerals. However, they lack a specific component that is essential for certain bodily functions. The correct answer is related to the absence of a particular enzyme or nutrient in eggs.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is not relevant to the composition of eggs.
* **Option B:** This option is incorrect because eggs do contain a certain amount of this substance, albeit in small quantities.
* **Option C:** This option is incorrect because eggs are actually a rich source of this particular nutrient.
**Clinical Pearl / High-Yield Fact**
Eggs are a good source of protein, but they are also relatively low in certain essential nutrients, such as vitamin C and omega-3 fatty acids.
**Correct Answer:** D.