Chapter 4 : A Tour of the Cell Parts

Question 1

Cell size

Answer 1

• related to the need to exchange material across the plasma membrane
• cell size is linked to surface area:volume ratio

Question 2

Prokaryotic cells are found in the Domains

Answer 2

Bacteria and Archaea

Question 3

Common features of Prokaryotic and Eukaryotic cells include

Answer 3

• plasma membrane

- one or more chromosomes and ribosomes

Question 4

Eukaryotic cells have

Answer 4

• “true” membrane-bound nucleus

- large number of other membrane bound organelles

Question 5

Prokaryotes have

Answer 5

• nucleoid region

- no true organelles

Question 6

Nucleoid

Answer 6

The region in which the DNA of prokaryotic cells is coiled

Question 7

The surface of prokaryotic cells may have

Answer 7

-be surrounded by a chemically complex cell wall
-have capsule surrounding the cell wall
-have fimbriae or flagella
-

Question 8

Organelles involved in genetic control

Answer 8

• nucleus

- ribosomes

Question 9

Organelles involved in manufacture, distribution, and the breakdown of molecules

Answer 9

• endoplasmic reticulum
• golgi apparatus
• lysosomes
• vacuoles
• peroxisomes

Question 10

Organelles involved in energy processing

Answer 10

• mitochondria

- chloroplasts

Question 11

Organelles involved in structural support, movement, and communication between cells

Answer 11

• cytoskeleton
• plasma membrane
• cell wall

Question 12

Cellular metabolism

Answer 12

the sum of all chemical activities of cells, occurs within organelles and the cytoplasm

Question 13

The differences between animal cells an plant cells

Answer 13

-lysosomes and centrioles