Cell Bio: Nucleus

Question 1

Usually a rounded or slightly elongated structure usually located near the center of a cell

Answer 1

Nucleus

Question 2

What are chromosomes composed of?

Answer 2

Chromatin

Question 3

What is chromatin?

Answer 3

Complex of:
- DNA
- Histones
- Non-histone proteins

Question 4

This cell has 23 pairs of chromosomes

Answer 4

Diploid

Question 5

The DNA directs the process of protein synthesis via

Answer 5

Formation of RNA

Question 6

Clinical studies of the chromosomes can be used for the obtaining of what?

Answer 6

Karyotype

Question 7

What can karyotypes be used for?

Answer 7

Pre-natal screens

Question 8

Nuclear envelope composition

Answer 8

Two parallel unit membranes separated by a space called the perinuclear cisterna

Question 9

What is the perinuclear cisterna?

Answer 9

A space separating the two parallel units membranes of the nuclear envelope

Question 10

Where are nuclear pores found?

Answer 10

Where the inner and outer membranes fuse

Question 11

What is the function of the nuclear pores?

Answer 11

Provides a passageway between the nucleus and the cytoplasm