Ch 2 The Generalized Cell

Question 1

“Little organs”; the collection of membrane-bound functional structures in the cell.

Answer 1

Cell organelles

Question 2

The limiting lipoprotien membrane of the cell. It retains internal structure and permits exportation and importation of materials by infolding/outfolding.

Answer 2

Cell membrane

Question 3

Porous, limiting lipoprotein membrane; regulates passage of molecules into and from the nucleus.

Answer 3

Nuclear membrane

Question 4

The nuclear substance containing chromatin and RNA.

Answer 4

Nucleoplasm

Question 5

The ground substance of the cell excluding the nucleus. Contains organelles and inclusions.

Answer 5

Cytoplasm

Question 6

Convoluted, membrane-lined tubules to which ribosomes may be attached or not.

Answer 6

Smooth/rough endoplasmic reticulum (ER)

Question 7

The site of protein synthesis, where amino acids are strung in sequence as directed by messanger RNA from the nucleus.

Answer 7

Ribosome