INTRODUCTION TO MICROSCOPY CELL BIOLOGY
NUCLEUS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Because chromatin can’t be separate
|
|
Because both have DNA
|
|
Because chromosome is easier to separate
|
|
Because chromatin is too long
|
Detailed explanation-1: -Heterochromatin is transcriptionally inactive and contains highly repeated DNA sequences, such as those present at centromeres and telomeres. As cells enter mitosis, their chromosomes become highly condensed so that they can be distributed to daughter cells.
Detailed explanation-2: -Significance. During the interphase of the cell cycle, chromatin is accessible to the transcription machinery, which allows gene expression. When cells enter mitosis, chromosomes strongly condense, which facilitates their symmetrical segregation at the end of mitosis.
Detailed explanation-3: -Chromatin condenses to form chromosomes during cell division. They are both essentially the same thing, but with a different structure. Chromatin is a network of fibers that contains the genetic information whereas the chromosomes are a more condensed version of the same thing.