Eukaryotes Vs Prokaryotes

Question 1

What is the definition of prokaryotic cells?

Answer 1

Describes single-celled organisms that do not contain a nucleus.

Question 2

What are prokaryotes?

Answer 2

Prokaryotic organisms.

Question 3

What does DNA stand for?

Answer 3

Deoxyribonucleic acid.

Question 4

What is the importance of DNA?

Answer 4

It is the genetic information found in all living organisms.

Question 5

List characteristics of prokaryotes.

Answer 5

• Are single-celled
• Do not have a nucleus
• Are smaller
• May also have plasmids.

Question 6

What are eukaryotic cells?

Answer 6

Describes cells that contain a nucleus.

Question 7

What is a eukaryote?

Answer 7

An organism that is made of eukaryotic cells.

Question 8

What distinguishes multicellular organisms?

Answer 8

Organisms that are made from more than one cell.

Question 9

What is a ribosome?

Answer 9

A small cell organelle in the cytoplasm in which proteins are made.

Question 10

What is respiration?

Answer 10

The release of energy from glucose.

Question 11

Fill in the blank: Prokaryotic cells do not contain a _______.

Answer 11

nucleus

Question 12

True or False: Eukaryotic cells are always unicellular.

Answer 12

False

Question 13

What is the significance of understanding the scale of cells?

Answer 13

It is important to develop a sense of scale and know which type of cells are being studied.

Question 14

Why are plant leaves green?

Question 15

What is the fence between plant and animal cells?

Answer 15

Cell wall.

Question 16

What is a chromosome?

Answer 16

A structure that contains genetic information.

Question 17

What is the function of ribosomes?

Answer 17

To make proteins.

Question 19

What are prokaryotic cells?

Answer 19

Describes single-celled organisms that do not contain a nucleus.

Question 20

What are prokaryotes?

Answer 20

Prokaryotic organisms (bacteria).

Question 21

What is DNA?

Answer 21

The genetic information found in all living organisms.

Question 22

What is a characteristic of prokaryotes?

Answer 22

They are single-celled.

Question 23

Do prokaryotes have a nucleus?

Answer 23

No, they do not have a nucleus containing their genetic material (DNA).

Question 24

How do the sizes of prokaryotic cells compare to eukaryotic cells?

Answer 24

Prokaryotic cells are smaller than eukaryotic cells.

Question 25

What are plasmids?

Answer 25

Small rings of DNA that may be present in prokaryotes.

Question 26

What is the typical length range of individual bacterial cells?

Answer 26

Between 1 um and 10 pm.

Question 27

How many micrometres make up one metre?

Answer 27

One million micrometres (um) make up one metre (m).

Question 28

How many bacteria can fit in a straight line in a space of 1 mm?

Answer 28

Between 100 and 1000 bacteria.

Question 29

What are groups of bacterial cells called?

Answer 29

Colonies.

Question 30

When do many scientists believe prokaryotes first appeared?

Answer 30

About 3.5 billion years ago.

Question 31

What is the cytoplasm?

Answer 31

A fluid part of the cell inside the cell membrane where most chemical reactions occur.

Question 32

What is the function of the cell wall in bacterial cells?

Answer 32

To provide support.

Question 33

What is different about the DNA in prokaryotes compared to eukaryotes?

Answer 33

DNA in prokaryotes is not arranged in complex chromosomes.

Question 34

What is the cell membrane's role?

Answer 34

It controls what substances go in and out of a cell.

Question 35

What is a ribosome?

Answer 35

A small cell organelle in the cytoplasm in which proteins are made.

Question 36

What is respiration?

Answer 36

The release of energy from glucose.

Question 37

Fill in the blank: The fluid inside the cell membrane is called _______.

Answer 37

cytoplasm

Question 38

True or False: Prokaryotes are more complex than eukaryotes.

Answer 38

False

Question 39

What is the main component that holds other components in the cytoplasm?

Answer 39

Water.