Cell Structure and Function MCQ Quiz: GKFix - Bridge of Knowledge - Page 119

Question 591

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Which human chromosome is an example of a metacentric chromosome?

Chromosome 21
Chromosome 18
Chromosome 22
Chromosome 1

Question 592

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Which of the following is true about telocentric chromosomes?

They have a central centromere
They have a sub-central centromere
They have a near-terminal centromere
They have a terminal centromere

Question 593

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What is the significance of non-histone proteins in chromatin?

They provide energy for replication
They degrade old DNA
They replace histones completely
They regulate gene activity and chromosome structure

Question 594

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Which of the following best describes the function of histones in chromatin?

Promote DNA degradation
Facilitate RNA translation
Help in DNA packaging
Inhibit DNA replication

Question 595

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What is the consequence of improper centromere function?

Increased protein synthesis
Enhanced DNA replication
Improved cell signaling
Chromosomal abnormalities