Mustard gas removes guanine from DNA. For developing embryos, exposure to mustard gas can cause serious deformities because guanine a stores the building blocks of proteins. b directly causes mutations in DNA. c produces energy for DNA replication. d is one of the four nitrogenous bases in DNA.

Question

Mustard gas removes guanine from DNA. For developing embryos, exposure to mustard gas can cause serious deformities because guanine     a stores the building blocks of proteins.  b directly causes mutations in DNA.  c produces energy for DNA replication.  d is one of the four nitrogenous bases in DNA.

GPT-4o mini · Answer

The correct answer is: **d is one of the four nitrogenous bases in DNA.** Mustard gas, by removing guanine from DNA, disrupts the structure and function of DNA, which can lead to serious deformities in developing embryos as it is essential for proper genetic function and stability.