DNA Test
A type of mutation that involves a single nucleotide.
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Avery's experiment shows us that bacteria were transformed by what?
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During DNA replication, what causes the hydrogen bonds to break?
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During what process is DNA copied by RNA?
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Each anticodon carries one ___________.
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How are the locations of DNA and RNA different?
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How does mRNA get out of the nucleus?
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How many bases are needed to specify an mRNA codon?
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How many strands of mRNA are transcribed from the two unzipped strands of DNA?
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If DNA is described as a double helix, how should mRNA be described?
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If the following were part of a DNA chain, what mRNA bases would pair with it to transcribe the DNA codes into RNA? GGATCGCCTTAGAATC
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Name each of the 3 types of RNA.
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Number of types of RNA?
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What is a base only found in RNA?
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What is located at the end of each tRNA molecule?
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What is the difference between an amino acid and a protein?
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What is the difference between chromatin and chromosomes?
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What is the importance of the order of base pairs in a DNA molecule?
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What is the number of nucleotides found in a codon?
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What is the start signal for transcription?
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What polymer makes up our characteristics?
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What type of bond is formed between amino acids?
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Where must an mRNA attach before protein production can begin?
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How many hydrogen bonds are found between A-T?
2.
How many pairs of chromosomes does a human have in their skin cells?
23.
How many hydrogen bonds are found between C-G?
3.
What are the base pairing rules?
A=T C=G
What 4 bases make up DNA molecules?
Adenine, Thymine, Guanine, and Cytosine.
What are the three nucleotides of tRNA?
Anticodon.
How are DNA and RNA alike?
Both have a long chain of nucleotides (both with a sugar, phosphate, and a nitrogen base.)
Write the complementary strand to this DNA molecule: GATCCATGAGTTAC
CTAGGTACTCAATG
What scientists are credited with the base-pairing rules?
Chargoff.
How are the shapes of DNA and RNA different?
DNA is a double helix RNA is a single strand
What is the process where DNA is copied?
DNA replication.
How are thee nitrogen bases of DNA and RNA different?
DNA- A=T C=G RNA- A=U C=G
What does DNA stand for?
Deoxyribonucleic Acid.
Scientifically, describe the shape of a DNA molecule.
Double helix.
What is the shape of a DNA molecule?
Double helix.
A segment of DNA that codes for a protein is called what?
Gene.
What type of bond holds together the nitrogen bases?
Hydrogen bonds.
When does DNA replicate?
In DNA replication.
During mitosis, the ____________ become less tightly packed.
Nucleosomes.
What is the subunit of a nucleic acid?
Nucleotide.
In eukaryotes, where is DNA located?
Nucleus.
Where in a cell is DNA found?
Nucleus.
The order of nitrogen bases determines the type of _____________ assembled.
Protein
Where does translation take place?
Ribosome.
What are the three parts of a DNA molecule?
Sugar Phosphate Nitrogen Base.
What happens in DNA replication after the hydrogen bonds have broken?
The 2 molecules are separated.
In DNA, the percentage of Adenine always equals the percentage of what?
Thymine.
What is the first part of protein synthesis?
Transcription.
What is the second part of protein synthesis?
Translation.
Who discovered the structure of DNA?
Watson and Crick.