Important molecular discoveries in the 1980s have led researchers to hypothesize that the original, vital organic molecule shaping living things was not what was first thought

What molecule is currently supported as the candidate for the vital molecule for early life?


RNA

Biology & Microbiology

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The ______ of an organism refers to the alleles that are present.  

A.  genotype B.  karyotype C.  pedigree D.  phenotype E.  pleiotropy

Biology & Microbiology

Each of the following are electron carriers except ________.

A. FADP B. FAD C. NAD D. NADP

Biology & Microbiology

Which of the following statements cannot be tested by science?

A) Male lions sleep 20 hours a day. B) Male lions have brown manes. C) It is wrong that male lions kill baby lions when taking over a new pride. D) All statements can be tested by science.

Biology & Microbiology

A sample of the tissue from an inflamed, pus-filled area on the lower leg is treated with KOH and stained with GMS. Under the microscope golden brown spheres are visible. With what disease are these observations consistent?

A) pityriasis B) fungemia C) chromoblastomycosis D) mycetoma E) sporotrichosis

Biology & Microbiology