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Point at which the 2 DNA strands seperate at the beginning of replication
Replication Fork
In DNA the 2 strands of nucleotides twist to for a ________ _________
Double helix
The enzyme that catalyzes the incorporation of new nucleotides into the newly synthesized strands of DNA during the process of replication
DNA Polymerase
Phase of protein synthesis in which the base sequence in one gene in DNA is copied into a molecule of mRNA
Transcription
If a DNA triplet is CAT, the sequence of nucleotides in the anticodon is tRNA is ________
CAU
Process in which a single molecule of DNA is copied to form 2 identical 'daughter' strands
Replication
During protein synthesis the codons on mRNA attach to the ____________
Ribosome
3 nucleotides in tRNA that are complementary to a codon
Anticodon
The DNA triplet AGA codes for the amino acid __________
Serine
If the sequence of nuceotides in a codon is CUC, the anticodon is _______
GAG
UAA, UAG, and UGA are __________ codons
Stop
All viable cells contain nuclear material consisting of _____ _______
Deoxyribonucleic Acid (DNA)
During DNA replication the new nucleotides are added on from the ________ to the 3' direction
Five
A nucleotide consists of a phosphate a 5 carbon sugar and a ______ base
Nitrogen
The pyrimidine complementary to adenine in RNA
uracil
The triplet ATG in DNA codes this amino acid
Tyrosine
the codon AUG is the condon
start
The function of tRNA is to ______ the amino acid it carries according to the code in mRNA
Position
Number of mino acids forming proteins
20
The coding unit in mRNA
Codon
The coding unit in DNA (3 bases) codes for one ___________ ___________
Amino Acid
The 'm' in mRNA stands for ________
Messenger
The number of nucleotides that form a coding unit in RNA
Three
Sugar in RNA nucleotide
Ribose
Segment of DNA that codes for 1 protein
Gene
Number of gydrogen bonds occurring between adenine and thymine
2
Adenine and guanine are double ringed structures called ______
Purines
3 types of DNA replication in which each new molecule of DNA consists of 1 original strand and 1 new strand
Semiconservative
RNA is the abbreviation for ______ ______
Rubonucleic Acid
5 or 6 ribosomes attached to 1 mRNA for a _________
Polyribosome
5 carbon occurring in DNA
Deoxyribose
The nitrogen bases are in DNA are held together by weak _________ bonds
Hydrogen
Author
Anonymous
ID
40349
Card Set
Microbiology
Description
Section 2
Updated
2010-10-07T02:02:38Z
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