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DNA
RNA
Nucleotides
Semiconservative Replication
Translation and Transcription
100
Where is DNA located?
The nucleus
100
What is the function of RNA?
To transfer information from DNA to the ribosomes
100
What holds nitrogen bases together in DNA?
Hydrogen bonds
100
What are the three steps of semiconservative replication?
1. Unwinding, 2. Base-Pairing, 3. Joining
100
What is the purpose of translation?
To transfer information from mRNA to ribosomes.
200
What are the four nitrogen bases in DNA?
adenine, guanine, cytosine, thymine
200
What are the four nitrogen bases of RNA?
adenine, guanine, cytosine, uracil
200
Name the three parts of a DNA nucleotide
deoxyribose, phosphate, and 1 of the 4 nitrogen bases
200
What is the purpose of replication?
To copy strands of DNA.
200
What is the purpose of transcription?
The transfer of information from DNA to mRNA
300
What is the shape of DNA?
Double helix
300
What are the three types of RNA?
messenger RNA (mRNA), transfer RNA (tRNA), and ribosomal RNA (rRNA)
300
What does Adenine pair with in a DNA nucleotide? What does Adenine pair with in a RNA nucleotide?
Adenine pairs with Thymine in DNA. Adenine pairs with Uracil in RNA.
300
What happens in the first stage of replication?
The DNA double helix unzips
300
When mRNA is forming, what nitrogen base binds with Adenine?
Uracil
400
DNA is formed of chains of ________________.
Nucleotides.
400
What is the function of mRNA?
To transfer information from DNA to the ribosomes.
400
How many nucleotide strands form a segment of DNA? How many nucleotide strands form a segment of RNA?
2 nucleotide strands form DNA 1 nucleotide strand forms RNA
400
What happens in base pairing?
New nucleotides add to each separate strand of DNA
400
After mRNA gets the information from DNA, it leaves the _________________ and travels to the _____________.
It leaves the nucleus and travels to the ribosomes
500
When DNA coils around a histone, this is called a ____________________.
Nucleosome.
500
What kind of sugar does a RNA nucleotide contain?
Ribose
500
What does DNA stand for?
deoxyribo nucleic acid
500
Name the two cycles that depend on the replication of DNA
mitosis and meiosis
500
What is the function of tRNA in translation?
To translate the mRNA code and give it to the ribosomes.