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
Nucleosomes help to:
Translate DNA
Replicate DNA
Package DNA into a compact structure
Transport DNA out of the nucleus
Which of the following processes is facilitated by the binding of histone H1 to a nucleosome?
DNA unwinding
Chromatin condensation
RNA splicing
Protein synthesis
When the Centrometre is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
Sub-metacentric
Acrocentric
Metacentric
Telocentric
If Balbiani rings are disrupted, which cellular process is most likely to be directly affected?
Production of secretory proteins
DNA replication
Ribosomal RNA synthesis
Cellular respiration
The positive charge of histone proteins facilitates their interaction with:
Positively charged RNA
Neutral lipids
Negatively charged DNA
Other histone proteins
Which histone protein is NOT a part of the core octamer?
H2A
H2B
H3
H1
Which of these processes is directly influenced by the level of chromatin compaction?
DNA replication
RNA processing
Gene expression
Protein translation
The 'beads-on-a-string' appearance of chromatin is due to:
Supercoiled DNA
Condensed chromosomes
Looped chromatin fibers
Nucleosomes connected by linker DNA
A researcher isolates chromatin fibers and treats them with a nuclease that specifically cleaves linker DNA. Following this treatment, what would be the approximate size distribution of the DNA fragments observed?
Approximately 200 bp
Approximately 1000 bp
Approximately 50 bp
A wide range of sizes from 200 bp to several thousand bp
