Dr. Chen became a very famous scientist in Taiwan when he discovered that

Question

BlackTom AI · Accepted Answer

Question restatement: Dr. Chen became a very famous scientist in Taiwan when he discovered that

Options:
A) humans can’t synthesize vitamin C
B) thiamin deficiency causes Beri Beri
C) there is life on other planets in the Universe
D) ducks, unlike chickens, can't make niacin from tryptophan

Analysis of each option:
Option A: 'humans can’t synthesize vitamin C' This statement would be false in most mammals, including humans, since humans cannot synthesize vitamin C but others like most animals can. The idea that humans universally cannot synthesize vitamin C is incorrect as a general biological claim because some animals can synthesize it, and the statement would misrepresent the broader topic unless restricted to a very narrow context. In isolation, this option is not aligned with established facts about human biochemistry and vitamin C synthesis.

Option B: 'thiamin deficiency causes Beri Beri' Beri Beri is historically linked to severe thiamin (vitamin B1) deficiency. This is a true statement about the cause of Beri Beri and aligns with well-known nutrition science. However, the prompt concerns a specific discovery by Dr. Chen in Taiwan; this option repeats a general nutritional fact rather than a discovery attributed to him.

Option C: 'there is life on other planets in the Universe' While intriguing, this claim is about astronomy and extraterrestrial life and does not relate to a biochemical or nutritional discovery. It would be considered outside the scope of a scientific discovery in biology or nutrition and lacks evidence-based support in the given context.

Option D: 'ducks, unlike chickens, can't make niacin from tryptophan' This statement is a specific biochemical claim about the ability of ducks versus chickens to synthesize or convert tryptophan into niacin (vitamin B3). If the source posits that Dr. Chen became famous for discovering this, then Option D directly ties to a unique enzymatic or metabolic capability difference between these two species, fitting a notable biological discovery in an evolutionary or nutritional context. The phrasing contrasts two species and makes a testable, specific claim about niacin synthesis pathways that could underpin a famous discovery.

In terms of evaluating correctness, Options A and C describe facts that are independent of a hypothetical discovery by Dr. Chen in Taiwan and thus do not capture a singular notable discovery attributed to him. Option B describes a well-established nutritional fact but again does not connect to a novel discovery by Dr. Chen. Option D presents a species-specific metabolic capability difference that could reasonably be described as a noteworthy discovery and matches the stated context of Dr. Chen’s fame in Taiwan. The reasoning here features a clear alignment with a distinctive, teachable biological fact that could be celebrated as a discovery.

Dr. Chen became a very famous scientist in Taiwan when he discovered that单项选择题

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