Nucleosomes help to:
Translate DNA
Replicate DNA
Package DNA into a compact structure
Transport DNA out of the nucleus
Related Questions
The shorter and longer arms of a submetacentric chromosome are referred to as
S – arm and l – arm respectively
p – arm and q – arm respectively
q – arm and p – arm respectively
m – arm and n – arm respectively
Which of the following correctly describes the arms of a submetacentric chromosome?
Shorter arm is 'p' and longer arm is 'q'
Both arms are equal in length
Shorter arm is 'q' and longer arm is 'p'
Shorter arm is 'm' and longer arm is 'l'
Failure of spindle fibers to attach correctly to the kinetochores can result in:
Normal cell division
Apoptosis
Nondisjunction
Interphase arrest
Approximately how many base pairs of DNA are wrapped around a single nucleosome core?
200
50
146
250
During cell division, spindle fibers attach to which specific structure on the chromosomes?
Centromere
Telomere
Chromatid
Kinetochore
In eukaryotes, the fundamental repeating unit of chromatin is called a:
Solenoid
Chromatid
Centromere
Nucleosome
Polytene chromosomes, found in certain insect tissues, exhibit distinct banding patterns. These bands represent:
Individual genes arranged linearly along the chromosome.
Regions of heterochromatin exclusively.
Regions where DNA replication has been halted prematurely.
Regions of highly condensed chromatin corresponding to inactive genes interspersed with less condensed regions of active genes.
The presence of histone H1 in association with a nucleosome suggests:
Further compaction of chromatin structure
Transcription activation
DNA replication initiation
Nucleosome disassembly
The positive charge of histone proteins facilitates their interaction with:
Positively charged RNA
Neutral lipids
Negatively charged DNA
Other histone proteins
Which of these processes is directly influenced by the level of chromatin compaction?
DNA replication
RNA processing
Gene expression
Protein translation
