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'
Related Questions
A chromosome with its centromere located precisely in the middle, dividing it into two arms of equal length, is classified as:
Telocentric
Metacentric
Acrocentric
Submetacentric
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 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
In an experiment, a researcher selectively removes histone H4 from chromatin. Which of the following is the MOST likely immediate consequence?
Increased condensation of the chromatin fiber.
Enhanced binding of RNA polymerase to promoter regions.
Specific activation of a subset of genes.
Significant destabilization of the nucleosome core and loss of DNA wrapping.
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
In which stage of mitosis do spindle fibers begin to attach to kinetochores?
Prophase
Metaphase
Anaphase
Prometaphase
Approximately how many base pairs of DNA are wrapped around a histone octamer in a nucleosome?
20
146
200
1000
If the centromere divides a chromosome into two equal halves, what type of chromosome is it?
Metacentric
Submetacentric
Acrocentric
Telocentric
Which of the following processes is facilitated by the binding of histone H1 to a nucleosome?
DNA unwinding
Chromatin condensation
RNA splicing
Protein synthesis
Nucleosomes help to:
Translate DNA
Replicate DNA
Package DNA into a compact structure
Transport DNA out of the nucleus
