In eukaryotes, the fundamental repeating unit of chromatin is called a:
Solenoid
Chromatid
Centromere
Nucleosome
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
When the Centrometre is situated in the middle of two equal arms of chromosomes, the chromosome is referred as:
Sub-metacentric
Acrocentric
Metacentric
Telocentric
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
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'
The kinetochore is a complex structure composed primarily of:
Lipids
Carbohydrates
Nucleic acids
Proteins
In eukaryotes, the fundamental repeating unit of chromatin is called a:
Solenoid
Chromatid
Centromere
Nucleosome
Nucleosomes help to:
Translate DNA
Replicate DNA
Package DNA into a compact structure
Transport DNA out of the nucleus
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.
In which stage of mitosis do spindle fibers begin to attach to kinetochores?
Prophase
Metaphase
Anaphase
Prometaphase
Histone proteins are rich in which of the following amino acids?
Lysine and Arginine
Glycine and Alanine
Tryptophan and Phenylalanine
Cysteine and Methionine
