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TLS Online TPP Program
#Question id: 34103
#Unit 2. Cellular Organization
A. A CEN fragment derived from one chromosome can replace the centromere of another chromosome with no apparent consequence.
B. CEN are used simply to attach the chromosome to the spindle, and play no role in distinguishing one chromosome from another.
TLS Online TPP Program
#Question id: 34104
#Unit 2. Cellular Organization
The Centromeric DNA sequence that binds to Cse4
TLS Online TPP Program
#Question id: 34105
#Unit 2. Cellular Organization
A. The histone H3 variant Cse4 is incorporated in the centromeric nucleosome.
B. The CBF3 protein complex that binds to CDE-III is essential for centromeric function.
C. The proteins that bind CEN serve as an assembly platform for the kinetochore and provide the connection to microtubules.
Find true and false
TLS Online TPP Program
#Question id: 34106
#Unit 2. Cellular Organization
Isolated telomeric fragments do not behave as though they contain single-stranded DNA; instead, they show aberrant electrophoretic mobility due to
TLS Online TPP Program
#Question id: 34107
#Unit 2. Cellular Organization
A. Lampbrush chromosomes are formed during an unusually extended mitosis
B. The lampbrush chromosomes are meiotic bivalents, each consisting of paired homologous chromosomes that have been replicated
C. The lampbrush chromosomes are held together only by chiasmata that indicate points of chromosome crossover.
D. The loops around Lampbrush are surrounded by a matrix of ribonucleoproteins that contain nascent RNA chains.
TLS Online TPP Program
#Question id: 34108
#Unit 2. Cellular Organization
What is order of steps to visualise Individual bands containing particular genes can be identified by in situ hybridization.
A. Target cells squashed on slide and freeze in dry ice
B. Wash with ethanol
C. Dip in agar solution
D. Denature DNA
E. Add radioactive probe
F. Wash off unreacted probe
G. Autoradiography