In mitosis, the prophase is further understood by dividing it into the given sub-stages:

1.Leptotene :

In this stage the nucleus enlarges in size in the chromosome. The chromosomes appear thin, thread-like and single-stranded in this stage. They have swollen or beaded structures along their length and their ends appear converged towards one side of the nucleus called bouquet.

2.Zygotene:

In this stage, the identical chromosomes come together and form bivalent or homologous pairs. Further, ...

1. Statement; true
2. Statement; false
3. Statement; true
4. Interrogative sentence; not a statement
5. Imperative sentence; not a statement
6. Exclamatory sentence; not a statement

Yes, if the angle between the two vectors is more than 90^o but less than 270⁰. (cosΘ is negative)