Question

(b) Centromere (c) Nucleolar organizer
(d) Telomere
2. What are the reasons behind animal locomotion? 'The mode of action of flexor and extensor
muscle is antagonistic in nature - explain with the help of suitable example.
3. "The Sphase of cell cycle is termed as syntharin​

Answer 1

Answer:

The centromere is the chromosome region that attaches to a spindle fibre at metaphase of mitosis or meiosis and moves to the spindle pole at anaphase, pulling the rest of the chromosome behind it. ... The two chromatids into which metaphase chromosomes are usually visibly divided are held together in the centromere region.

Answer 2

Explanation:

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