Related Questions
In which type of chromosome are Balbiani rings observed?
Polytene
Metacentric
Submetacentric
Acrocentric
If the centromere divides a chromosome into two equal halves, what type of chromosome is it?
Metacentric
Submetacentric
Acrocentric
Telocentric
The positive charge of histone proteins facilitates their interaction with:
Positively charged RNA
Neutral lipids
Negatively charged DNA
Other histone proteins
The kinetochore is a complex structure composed primarily of:
Lipids
Carbohydrates
Nucleic acids
Proteins
In a submetacentric chromosome, the shorter arm is designated as:
p
q
m
s
In contrast to the core histones, histone H1's primary function relates to:
Forming the nucleosome core
DNA replication
Higher-order chromatin folding
Transcription initiation
The 'histone code' hypothesis proposes that specific combinations of histone modifications influence gene expression. If a researcher discovered a novel histone modification, which experimental approach would be LEAST informative for initially investigating its potential role in gene regulation?
Analyzing the genome-wide distribution of the modification using ChIP-seq.
Correlating the presence of the modification with gene expression levels.
Assessing the binding of specific regulatory proteins to the modified histone.
Determining the crystal structure of the modified histone.
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
Which of the following is NOT a characteristic of a metacentric chromosome?
Two arms of equal length
Centromere located in the middle
Centromere located near one end
Forms a V-shape during cell division
The association of histone H1 with a nucleosome indicates:
The DNA double helix is exposed
Transcription is occurring
DNA replication is occurring
The DNA is condensed into a Chromatin Fibre
