Cells

Question 1

What type of organisms are prokaryotic cells?

Answer 1

Single-celled organisms.

Question 2

True or False: Prokaryotic cells have a nucleus.

Answer 2

False.

Question 3

Fill in the blank: Prokaryotic cells lack membrane-bound __________.

Answer 3

organelles.

Question 4

Which of the following is a characteristic of prokaryotic cells? A) Multicellular B) Unicellular C) Eukaryotic

Answer 4

B) Unicellular.

Question 5

What is the size range of prokaryotic cells?

Answer 5

0.1 to 5.0 micrometers.

Question 6

Name the two domains that consist of prokaryotic cells.

Answer 6

Bacteria and Archaea.

Question 7

True or False: Prokaryotic cells reproduce by mitosis.

Answer 7

False.

Question 8

What process do prokaryotic cells primarily use for reproduction?

Answer 8

Binary fission.

Question 9

Fill in the blank: The genetic material in prokaryotic cells is typically in the form of __________.

Answer 9

circular DNA.

Question 10

Which structure protects prokaryotic cells from environmental stress?

Answer 10

Cell wall.

Question 11

What is the function of ribosomes in prokaryotic cells?

Answer 11

Protein synthesis.

Question 12

True or False: Prokaryotic cells can be both autotrophic and heterotrophic.

Answer 12

True.

Question 13

What is the primary difference between bacteria and archaea?

Answer 13

Their genetic and biochemical properties.

Question 14

What is the term for small, circular pieces of DNA found in prokaryotic cells?

Answer 14

Plasmids.

Question 15

Fill in the blank: Prokaryotic cells often have __________ for movement.

Answer 15

flagella.

Question 16

What is the primary method of energy production in prokaryotic cells?

Answer 16

Cellular respiration or fermentation.

Question 17

True or False: All prokaryotic cells are pathogenic.

Answer 17

False.

Question 18

Which prokaryotic structure is involved in adherence to surfaces?

Answer 18

Pili or fimbriae.

Question 19

What is the role of the plasma membrane in prokaryotic cells?

Answer 19

Regulating the entry and exit of substances.

Question 20

What type of cell division do prokaryotic cells undergo?

Answer 20

Binary fission.

Question 21

What is a key feature of the cell wall in bacteria?

Answer 21

It contains peptidoglycan.

Question 22

Fill in the blank: Prokaryotic cells can exchange genetic material through a process called __________.

Answer 22

conjugation.

Question 23

What is the primary structural component of the prokaryotic cell membrane?

Answer 23

Phospholipids.

Question 24

True or False: Prokaryotic cells can form spores.

Answer 24

True.

Question 25

What is the main function of the capsule in some prokaryotic cells?

Answer 25

Protection against desiccation and immune response.

Question 26

What type of environments can archaea typically thrive in?

Answer 26

Extreme environments.

Question 28

What are eukaryotic cells?

Answer 28

Eukaryotic cells are complex cells that contain a nucleus and membrane-bound organelles.

Question 29

True or False: Eukaryotic cells are typically larger than prokaryotic cells.

Answer 29

True

Question 30

What organelle is responsible for producing energy in eukaryotic cells?

Answer 30

Mitochondria

Question 31

Fill in the blank: Eukaryotic cells can be unicellular or __________.

Answer 31

multicellular

Question 32

Which of the following is NOT a characteristic of eukaryotic cells? (a) Nucleus (b) Membrane-bound organelles (c) Circular DNA (d) Larger size

Answer 32

c) Circular DNA

Question 33

What structure protects and gives shape to a plant cell?

Answer 33

Cell wall

Question 34

Name one type of eukaryotic cell.

Answer 34

Animal cell, plant cell, or fungal cell.

Question 35

What is the function of the endoplasmic reticulum in eukaryotic cells?

Answer 35

The endoplasmic reticulum synthesizes proteins and lipids.

Question 36

True or False: Eukaryotic cells have ribosomes.

Answer 36

True

Question 37

What is the role of lysosomes in eukaryotic cells?

Answer 37

Lysosomes contain enzymes that break down waste materials and cellular debris.

Question 38

Which organelle is involved in the modification and packaging of proteins?

Answer 38

Golgi apparatus

Question 39

Fill in the blank: The ________ is the control center of eukaryotic cells.

Answer 39

nucleus

Question 40

What type of genetic material is found in eukaryotic cells?

Answer 40

Linear DNA organized into chromosomes.

Question 41

Which structure is responsible for photosynthesis in plant eukaryotic cells?

Answer 41

Chloroplasts

Question 42

Multiple choice: Which of the following is a function of the plasma membrane? (a) Energy production (b) Regulation of substances entering and exiting the cell (c) DNA replication

Answer 42

b) Regulation of substances entering and exiting the cell

Question 43

True or False: Eukaryotic cells can perform cellular respiration.

Answer 43

True

Question 44

What is the function of the cytoskeleton in eukaryotic cells?

Answer 44

The cytoskeleton provides structural support and facilitates cell movement.

Question 45

Fill in the blank: Eukaryotic cells replicate their DNA during the _____ phase of the cell cycle.

Answer 45

S

Question 46

What is the role of the vacuole in plant eukaryotic cells?

Answer 46

The vacuole stores nutrients, waste products, and helps maintain turgor pressure.

Question 47

Which organelle is known as the 'powerhouse of the cell'?

Answer 47

Mitochondria

Question 48

True or False: All eukaryotic cells have a cell wall.

Answer 48

False

Question 49

What is the primary function of ribosomes in eukaryotic cells?

Answer 49

Ribosomes synthesize proteins.

Question 50

Multiple choice: Which of the following is a type of eukaryotic organism? (a) Bacteria (b) Fungi (c) Archaea

Answer 50

b) Fungi

Question 51

Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.

Answer 51

cytoskeleton

Question 52

What distinguishes eukaryotic cells from prokaryotic cells?

Answer 52

Eukaryotic cells have a nucleus and membrane-bound organelles.