The 'beads-on-a-string' appearance of chromatin is due to:
Supercoiled DNA
Condensed chromosomes
Looped chromatin fibers
Nucleosomes connected by linker DNA
Related Questions
Which of the following is the primary function of the kinetochore during mitosis?
DNA replication
Protein synthesis
Attachment point for spindle fibers
Energy production
The positive charge of histone proteins facilitates their interaction with:
Positively charged RNA
Neutral lipids
Negatively charged DNA
Other histone proteins
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
The 'beads-on-a-string' appearance of chromatin is due to:
Supercoiled DNA
Condensed chromosomes
Looped chromatin fibers
Nucleosomes connected by linker DNA
In eukaryotes, the fundamental repeating unit of chromatin is called a:
Solenoid
Chromatid
Centromere
Nucleosome
Approximately how many base pairs of DNA are wrapped around a single nucleosome core?
200
50
146
250
The kinetochore is a complex structure composed primarily of:
Lipids
Carbohydrates
Nucleic acids
Proteins
In which type of chromosome does the centromere lie exactly at the midpoint?
Acrocentric
Metacentric
Submetacentric
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 is the basic repeating unit of chromatin?
Gene
Chromosome
Centromere
Nucleosome
