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Biology Chapter 3

Study Activities for Genetics, Part 1 MCB2010

QuestionAnswer
The name of the process which makes DNA from a DNA template. Replication
The name of the enzyme which assembles new nucleotides to growing DNA strands during replication. DNA Polymerase
The type of RNA which becomes the ribosome? rRNA
What would the DNA bases be that would pair with: T C A G ? A G T C
Thymine is substituted by _____ in RNA. Uracil
The pyrimidines found in DNA are: Cytosine and Thymine
The term that describes the 2 strands of DNA nucleotides running in opposite chemical directions is known as: Anti-parallel
The type of RNA capable of carrying an amino acid and has an anti-codon. tRNA
The process which makes RNA from the DNA template. Transcription
In general, what are the 3 parts of a nucleotide? Phosphate, Sugar, Base
What would the base pairs of DNA be that would pair with the sequence: 5'-CGTTA-3' ; put the answer with 5' on the left side. 5'-TAACG-3'
The name of the enzyme which assembles new nucleotides to growing RNA strands during transcription. RNA Polymerase
The type of RNA which carries the message (has codons)? mRNA
What is the ring structure in the pyrimidines? A single ring
Codons on the mRNA which signal the end of translation are known as: Stop Codons
Base triplets found on tRNA are known as: Anti-codons
The region on the DNA to which RNA polymerase binds. Promoter
The purines found in DNA are: Guanine and Adenine
Base triplets found on mRNA are known as: Codons
The sugar found in a nucleotide of DNA is: Deoxyribose
The name for the model describing the replication of DNA whereby the new molecules are half old and half new. Semi-conservative
What direction is DNA polymerase able to make new strands? 5' to 3'
In DNA & RNA, the base Cytosine pairs with: Guanine
What are the anti-codons that would base pair with these codons? GCA - AUA CGU - UAU
The sugar found in a nucleotide of RNA is: Ribose
The process that produces protein from the message contained on the mRNA. Translation
In DNA, the base Adenine pairs with: Thymine
The enzyme which pieces together the short DNA segments on the lagging strand during replication. Ligase
What are the subunits (building blocks) of nucleic acids? Nucleotides
The name of the strand in DNA replication that is made as small pieces that are later put together. Lagging
The name of the strand in DNA replication that is made as one continuous piece. Leading
The site of protein synthesis is the: Ribosome
What is the ring structure in the purines? Two rings
In RNA, the base Adenine pairs with: Uracil
What would the RNA bases be that would pair with: T C A G ? A G U C