4.1-3

Question 1

It is composed of a network of small tubes called cisternae. (“cisternae” means “tubes”)

Answer 1

Endoplasmic Reticulum (ER)

Question 2

Where are the ER found?

Answer 2

They are always found just outside and around the nucleus.

Question 3

Two types of ER can exist inside Eukaryotic cells:

Answer 3

Smooth Endoplasmic Reticulum (SER)

Rough Endoplasmic Reticulum (RER)

Question 4

This structure modifies proteins by attaching sugars to them

Answer 4

Golgi Apparatus

Question 5

These are cellular particles made of ribosomal RNA, rRNA, and proteins. (These are not organelles… as all cell types have them so that all cells can make proteins and enzymes.)

Answer 5

Ribosomes