QUIZ ONLINE UJI NYALI 2 BIOLOGI DASAR II

20 Questions  I  By Fabiounsoed on March 14, 2009
QUIZ ONLINE UJI NYALI MENGHADAPI KUIS MINGGUAN 2 BIOLOGI DASAR II: Pengaturan Ekspresi gen & rekayasa gen serta proyek human genome

  
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1.  The flow of genetic material in microbial cells usually proceeds from
A.
B.
C.
2.  The final step in gene expression is protein synthesis, or
A.
B.
C.
3.  Another name for the three stop codons which aid in termination of translation is
A.
B.
C.
4.  Another name for the RNA polymerase recognition/binding site upstream of a gene is the
A.
B.
C.
5.  Mutations that arise without exposure to external agents are called
A.
B.
C.
6.  A mutagen is
A.
B.
C.
7.  A mutation that affects only a single nucleotide is called
A.
B.
C.
8.  Which form of RNA acts as a blueprint for polypeptide biosynthesis by the ribosome?
A.
B.
C.
9.  RNA is synthesized under the direction of DNA by this enzyme
A.
B.
C.
10.  Which regions of interrupted genes code for RNA that will be present in the final RNA product?
A.
B.
C.
11.  Most procaryotic proteins begin with this modified amino acid
A.
B.
C.
12.  The most common initiator codon is
A.
B.
C.
13.  Which part of translation involves the addition of amino acids to an existing polypeptide chain?
A.
B.
C.
14.  What molecule catalyzes the transpeptidation reaction?
A.
B.
C.
15.  Aminoacyl-tRNA binds to which site of the ribosome during elongation?
A.
B.
C.
16.  Enzymes that recognize and cleave specific 4 to 8 base pair sequences
A.
B.
C.
17.  Vectors are:
A.
B.
C.
18.  A molecular technique in which the DNA sequences between two oligonucleotide primers can be amplified
A.
B.
C.
19.  The enzyme used to covalently bond foreign DNA to a vector plasmid  
A.
B.
C.
20.  In genetic engineering, a chimera is:
A.
B.
C.
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