2.2 Metaphase

Question 1

Topic - Metaphase

Answer 1

I. At the beginning, __
II. Complete disintegration
III. Visible under a microscope
IV. Centromerer
V. Kinetochores
VI. Metaphase plate
VII. Key features

Question 2

By the beginning of the Metaphase, _______ of chromosomes is completed.

Answer 2

Condensation

Question 3

In the Metaphase, the complete disintegration of the ______ occurs.

Answer 3

nuclear envelope

Question 4

In the Metaphase, the chromosomes are spread through the ______ of the cell.

Answer 4

cytoplasm

Question 5

______ of chromosomes are most easily visible under the microscope.

Answer 5

Morphology of chromosomes

Question 6

Metaphase chromosome is composed of two ______ that are held together by ______.

Answer 6

Two sister chromatids; Centromere

Question 7

Small disc-shaped structures at the surface of centromeres are called.

Answer 7

Kinetochores

Question 8

______ is the structure that serves as the site for attaching spindle fibers (formed by spindle fibers) to ______.

Answer 8

Kinetochores; chromosomes

Question 9

One chromatid of each chromosome is connected by its ______ to ______ from one pole.

Answer 9

Kinetochore to Spindle fibres

Question 10

The sister chromatid is connected by its ______ to ______ from the opposite pole.

Answer 10

kinetochore to spindle fibres

Question 11

Spindle fibers from both poles are connected to chromatids by their kinetochores in the centromere.
T/F

Answer 11

True

Question 12

Chromosomes are seen to lie at

Answer 12

Equator (Position at center of cell)

Question 13

The plane of alignment of chromosomes at metaphase is referred as

Answer 13

Metaphase plate

Question 14

The key features of Metaphase are:

Answer 14

l. Spindle fibers attach to kinetochores of chromosomes.
Il. Chromosomes are moved to spindle equator and get aligned along metaphase plate through spindle fibers to both poles.