Cell Systems Biology: History and Discoveries

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Who discovered that DNA consists of proteins and nucleic acids and isolated the nitrogen bases of nucleic acids?

Albrecht Kossel (correct)

Erwin Chargaff

Sir Archibald Garrod

Friedrich Miescher

Who connected genes to enzymes by studying bread mould, proposing the 'one gene-one enzyme' hypothesis?

Friedrich Miescher

Beadle & Tatum (correct)

Sir Archibald Garrod

Albrecht Kossel

Who showed that DNA, not protein, carries the genetic information by studying Streptococcus pneumoniae?

Alfred Hersey and Martha Chase

Sir Archibald Garrod

Erwin Chargaff

Oswald Avery, Colin MacLeod, and Maclyn McCarty (correct)

Who proved that DNA is the hereditary material by studying radiolabelled bacteriophage?

Alfred Hersey and Martha Chase Signup and view all the answers

Who found that the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) in DNA are equal?

Erwin Chargaff Signup and view all the answers

What is the study of an organism's genome, including both coding and non-coding regions?

Genomics Signup and view all the answers

Which molecule contains the biological instructions that allow an organism to develop, survive, and reproduce?

DNA Signup and view all the answers

Where is DNA found in eukaryotic organisms?

Nucleus and mitochondria Signup and view all the answers

What is the structure of DNA composed of?

$Phosphate$ $group$ + $sugar$ + $nitrogen$ $base$ Signup and view all the answers

What does DNA replication involve?

$Producing$ $two$ $identical$ $copies$ $of$ $DNA$ from one original DNA molecule Signup and view all the answers

Cell Systems Biology: History and Discoveries

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Questions and Answers

Who discovered that DNA consists of proteins and nucleic acids and isolated the nitrogen bases of nucleic acids?

Who connected genes to enzymes by studying bread mould, proposing the 'one gene-one enzyme' hypothesis?

Who showed that DNA, not protein, carries the genetic information by studying Streptococcus pneumoniae?

Who proved that DNA is the hereditary material by studying radiolabelled bacteriophage?

Who found that the ratios of adenine (A) to thymine (T) and guanine (G) to cytosine (C) in DNA are equal?

What is the study of an organism's genome, including both coding and non-coding regions?

Which molecule contains the biological instructions that allow an organism to develop, survive, and reproduce?

Where is DNA found in eukaryotic organisms?

What is the structure of DNA composed of?

What does DNA replication involve?

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