Cells

Question 1

The process that takes apart cells and separates the major organelles from one another:

Answer 1

Cell fractionation

Question 2

What are the 4 basic features of all cells?

Answer 2

Plasma membrane
Cytosol
Chromosomes
Ribosomes

Question 3

P or E
No nucleus

Answer 3

P

Question 4

P or E:
DNA in nucleoid

Answer 4

P

Question 5

P or E:
No membrane-bound organelles

Answer 5

P

Question 6

P or E:
Cytoplasm bound by plasma membrane

Answer 6

P

Question 7

P or E:
DNA in nucleus bound by envelope

Answer 7

E

Question 8

P or E:
Membrane bound organelles?

Answer 8

E

Question 9

P or E:
Larger

Answer 9

E

Question 10

What is the part of the cell contained within the cell membrane with the total contents within the membrane (minus nucleus)?

Answer 10

Cytoplasm

Question 11

The part of the cytoplasm not held by any organelles in the cell?

Answer 11

Cytosol

Question 12

What does the nuclear lamina do?

Answer 12

Maintains cell shape

Question 13

What is the site of rRNA?

Answer 13

Nucleolus

Question 14

What are not part of the endo-membrane system?

Answer 14

Mitochondria, peroxisomes, and chloroplasts

Question 15

Which plant vacuole is formed by phagocytosis?

Answer 15

Food vacuole

Question 16

Which vacuoles are found in fresh water protists and pump water out of cells?

Answer 16

Contractile vacuoles

Question 17

What is the main and largest vacuole in a plant called?

Answer 17

The central vacuole

Question 18

What are oxidative organelles?

Answer 18

Perixisomes

Question 19

What is a network of fibres that extend throughout the cytoplasm?

Answer 19

Cytoskeleton

Question 20

What three things make up the cytoskeleton?

Answer 20

Microtubules
Intermediate filaments
Microfilaments

Question 21

What moves along the cytoskeleton?

Answer 21

Motor proteins

Question 22

What are the cilia described as?

Answer 22

Hair-like

Question 23

What are the flagella described like?

Answer 23

Whip-like

Question 24

What is the pseudopodia described like?

Answer 24

Cellular extensions

Question 25

What are the microvilli described like?

Answer 25

Finger-like

Question 26

Which part of the cell wall is relatively thin and flexible?

Answer 26

Primary cell wall

Question 27

What is the thin layer between primary walls of adjacent cells?

Answer 27

The middle lamella

Question 28

What are (in some cells) added between the plasma membrane and the primary cell wall?

Answer 28

The secondary cell wall

Question 29

What are channels between adjacent plant cells?

Answer 29

Plasmodesmata

Question 30

Which type of cell is the plasmodesmata in?

Answer 30

Plant

Question 31

What prevent leakage?

Answer 31

Tight junctions

Question 32

What fasten things?

Answer 32

Desmosomes

Question 33

What communicate (channels)?

Answer 33

Gap junctions