What forms the โsteps of the ladderโ in a DNA molecule?
the rungs of the ladder are composed of pairs of nitrogenous bases (base pairs)
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20
What is the job of a tRNA molecule?
bring the amino acids and place them in the correct potsition to create the desired protein
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10
What is an anticodon?
trinucleotide sequence located at one end of a transfer RNA (tRNA) molecule
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20
What was discovered from the work conducted by Avery, Hershey and Chase in regards to the molecule responsible for inheritance?
They discovered that DNA is the transforming agent.
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15
Name the mRNA codon that is used to start the process of translation
AUG
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15
What are codons?
A sequence of three consecutive nucleotides in a DNA or RNA molecule that codes for a specific amino acid
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baam
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lifesaver
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eraser
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gift
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What role did Rosalind Franklin and James Watson & Francis Crick play in our understanding of DNAโs structure?
Rosalind Franklin discovered the density of DNA and, more importantly, established that the molecule existed in a helical conformation.
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15
What are introns?
Introns are nucleotide sequences in DNA and RNA that do not directly code for proteins - opposite of exons
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What are exons?
Exons are the parts of a gene that code for a protein
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10
What is transformation?
Transformation is a process by which foreign genetic material is taken up by a cell. The process results in a stable genetic change within the transformed cell.
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15
What is the difference between chromatin and chromosomes?
Chromatin is the DNA and proteins that make up a chromosome. Chromosomes are the separate pieces of DNA in a cell.