Chapter 16~17 (part 2) Quiz 2 Flashcards
What is gene of A,T,G,C stand for ?
A is adenine
T is thymine
G is guanine
C is cytosine
The Bicoid mutation causes the fruit fly embryo to have ?
A. white eyes
B. no head and two tails
C. no wings
D. a leg replacing anantenna
E. two heads and no tail
no head and two tails
Sickle cell anemia is caused by an_____ mutation ?
A. embryonic lethal
B. missense
C. silent
D. frameshift
E. nonsense
missense
Targeted degradation of protein most involves _______ ?
A. enhancer and mediator
B. Golgi and glycosylation
C. nuclear transport of ribosomal proteins for ribosome assembly
D. ubiquitin and the proteosome
E. RNAi, mRNAs and siRNAs
ubiquitin and the proteosome
T-T dimers are most often caused by ?
A. defective RNA primase
B. histone deacetylase
C. exposure to short wavelength ultraviolet light
D. profreading activity of RNA ligase
E. vitamin C deficiency
exposure to short wavelength ultraviolet light
In translation, decoding takes place in the____ ?
A. peptidyl transferase center
B. RNA primer
C. small ribosomal subunit
D. aminoacyl tRNA synthetase
E. large ribosomal subunit.
small ribosomal subunit
Which word or phrase does NOT apply to the genetic code ?
A. ambiguous
B.require long open reading frame
C. triplet
D. comma-less
E. redundant
ambiguous
Beadle and Tatum were not completely wrong when they proposed ——-, for which they won the Nobel Prize .
A. the law of segregation
B. the law of integration
C. the one gene-one enzyme Hypothesis
D. gene mapping by Recombination Frequency analysis
E. the law of independent assortment
the one gene-one enzyme Hypothesis
Telomerase is a reverse transcriptase that carries its own what ?
A. SSB
B.dNTPs
C. DNA primer
D. topoisomerase
E. RNA template
RNA template
Which word or phrase does apply to the genetic code ?
A. ambiguous
B.require long open reading frame
C. triplet
D. comma-less
E. redundant
triplet
why is there a lagging strand in DNA replication
DNA replication is bidirectional DNA replication complementary and antiparallel in the template strand. Therefore, in the leading strand, it will go in the direction of the helicense in a 5’ to 3’ in the new origining strand or 3’ to 5’ in the template strand.
Which of the following participate most directly in pre-mRNA splicing ?
A. poly(A) polymerase
B. telomerase
C. translation initiation factor
D. primase
E. snRNPs
snRNPs
Which disorder is most related to phenylalanine metabolism ?
A. polydactyly
B. sickle cell anemia
C. hemophilia
D. phenylketonuria
E. blue-green colorblindness
phenylketonuria
Which three type of Eukaryotic pre-RNA Polymerases ?
- 18, 28S Ribosomal RNAs
- mRNAs
- 5S rRNA, tRNAs, most snRNAs
‘What are the noteworthy byproducts of the phenylalanine metabolic pathway ?
