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The Cell Nucleus

Total questions: 26

Worksheet time: 24mins

Name
Class
Date
1.

it is the largest visible compartment of the cell in the light microscope that centers for CONTROLLING CELLULAR ACTIVITIES and HOUSES ALL OF THE CELL'S GENOME.

(a)  

2.

it is a HIGHLY EXTENDED nucleoprotein fibers

(a)  

3.

a type of chromatin that is HIGHLY CONDENSED, gene-poor and transcriptionally silent.

(a)  

4.

it is a type of chromatin that is LESS CONDENSED, GENE-RICH and EASILY TRANSCRIBED.

(a)  

5.

it is the double membrane that serves as the BOUNDARY between the nucleus and cytoplasm

(a)  

6.

it is the CONDENSED FORM OF CHROMATIN.

(a)  

7.

it is the irregular-shaped/spherical-shaped that function in the SYNTHESIS OF rRNA

(a)  

8.

it is the FLUID substance in the nucleus

(a)  

9.

the protein-containing FIBRILLARY NETWORK of the nucleus

(a)  

10.

Nuclei can vary in size according to the amount of DNA they contain

a)

true

b)

false

11.

Can a cell contain more than one nucleus?

a)

yes

b)

no

12.

Can a cell contain no cell?

a)

yes

b)

no

13.

it provides nucleus an identity of separate biochemical compounds

a)

nuclear envelope

b)

nuclear pore

c)

nucleolus

d)

nuclear lamina

14.

it is the lumen or space between the outer nuclear membrane and inner nuclear membrane

a)

perinuclear space

b)

inner membrane

c)

nuclear envelope

d)

nuclear pore

15.

it is a fibrous meshwork that is present inside the nuclear envelope

(a)  

16.

it is a large circle with a diameter of 120 nm. that only small polar molecules, ions and macromolecules CAN PASS THROUGH IT

(a)  

17.

it is a specialized protein that is the constituent building blocks of the NPC/nuclear pore complex.

(a)  

18.

the threadlike strands that are composed of the nuclear DNA and are carrier of genetic information

(a)  

19.

fibers of DNA and associated protein that constitute chromosomes

(a)  

20.

a chromatin that remains condensed during interphase

(a)  

21.

a chromatin that returns to its dispersed state during interphase

(a)  

22.

a stretch of amino acids that enables a protein to pass through the nuclear pores and enters the nucleus

(a)  

23.

a marked indentation on a mitotic chromosome that serves as the site of kinetochore formation

(a)  

24.

the basic repeating subunit of chromatin and is considered as the lowest organization of chromosome

(a)  

25.

a collection of small, well-defined, basic proteins of chromatin

(a)  

26.

it is a model where chromatin fibers exhibits a regular, helical organization consisting of 6-8 nucleosomes per turn

(a)