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Whose Who in DNA
Building Blocks
Vocabulary
RNA
Nucleic Acid at Work
100

Who is described as the father of genetics?

Gregor Mendel

100

The five-carbon sugar found in DNA

What is deoxyribose ?

100
A term used to describe the shape of DNA
What is a double helix ?
100
The five-carbon sugar found in ribonucleic acid (RNA)
What is ribose ?
100
The process by which DNA is separated and mRNA makes a copy of the DNA code
What is transcription ?
200
A scientist who studied the structure of DNA using X-rays
Who is Rosalind Franklin ?
200
A double-ringed nitrogenous base
What is a purine (adenine and guanine) ?
200
Weak bonds that hold nitrogenous bases together in base pairing
What are hydrogen bonds ?
200
A nitrogen base found in RNA but not in DNA
What is uracil ?
200
The process known as protein synthesis in which the mRNA code is used to build a protein or polypeptide chain.
What is translation ?
300
A scientist who proposed that DNA was a triple helix
Who is Linus Pauling ?
300
A single-ring nitrogenous base
What is pyrimidine (thymine and cytosine) ?
300
The process by which DNA makes a copy of itself
What is replication ?
300
A type of RNA that copies the genetic code in the nucleus and takes it to the ribosomes
What is mRNA (messenger RNA) ?
300
The location where translation occurs
What is the cytoplasm ?
400
Two scientists who published a paper in 1953 suggesting the correct structure of DNA
Who were James Watson and Francis Crick ?
400
A nitrogenous base that pairs with thymine
What is adenine
400
The location where DNA separates during replication
What is replication fork ?
400
A type of RNA that combines with proteins to make ribosomes
What is rRNA (ribosomal RNA) ?
400
The location where transcription occurs
What is nucleus ?
500
Two scientist who worked on mutations in the mold Neurospora crassa and proposed the "one gene-one enzyme" hypothesis.
Who were Beadle and Tatum ?
500
A nitrogenous base found in DNA but not in RNA
What is thymine ?
500
An enzyme that breaks the hydrogen bonds between nitrogenous bases in DNA before replication
What is helicase ?
500
A type of RNA that brings amino acids to the ribosomes
What is tRNA (transfer RNA) ?
500
A sequence of three mRNA nucleotides
What is codon ?