3.1.5 The Nuclear Envelope: The Initial Tour Flashcards


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1

Concerning the nuclear envelope, which statement is true?

1. The nuclear membrane is a single membrane.

2. The nuclear membrane is covered with nucleoli.

3. The nuclear lamina is a series of sugar molecules that helps maintain the shape of the nuclear envelope.

4. The inner and outer membrane of the nuclear membrane is perforated by nuclear pores.

4. The inner and outer membrane of the nuclear membrane is perforated by nuclear pores.

2

TRUE OR FALSE

The nucleus is always found in the center of the cell.

FALSE

3

The main function of the nuclear lamina is the

nuclear lamina functions in reinforcing the shape of the nucleus.

4

True or false?
The nucleolus is a region in the nucleus where ribosomes are formed.

TRUE

5

What is the name of the double membrane that surrounds the nucleus?

1. nucleolar membrane

2. nuclear envelope

3. nuclear lamina

4. lipid bilayer

2. nuclear envelope

6

the nucleolus is

the site for ribosomal synthesis

7

the nuclear envelope is

a double membrane that surrounds the nucleus and contains pores. the nuclear lamina, a layer of structural proteins that hold the nucleus together and keeps it intact.