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Question 1

What is the basic unit of life?

Answer 1

The cell.

Question 2

True or False: All living organisms are made up of cells.

Answer 2

True.

Question 3

Fill in the blank: The process by which cells obtain energy from glucose is called __________.

Answer 3

cellular respiration.

Question 4

What organelle is known as the powerhouse of the cell?

Answer 4

Mitochondria.

Question 5

Which structure regulates what enters and leaves the cell?

Answer 5

Cell membrane.

Question 6

What is the function of ribosomes?

Answer 6

Protein synthesis.

Question 7

Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are composed of cells, B) Cells arise from pre-existing cells, C) Cells can spontaneously generate, D) The cell is the basic unit of life.

Answer 7

C) Cells can spontaneously generate.

Question 8

What is the role of chloroplasts in plant cells?

Answer 8

Photosynthesis.

Question 9

True or False: Prokaryotic cells have a nucleus.

Answer 9

False.

Question 10

What is the function of the endoplasmic reticulum?

Answer 10

Protein and lipid synthesis.

Question 11

Fill in the blank: The genetic material of a cell is found in the __________.

Answer 11

nucleus.

Question 12

What is the primary function of the Golgi apparatus?

Answer 12

Modification and packaging of proteins.

Question 13

Multiple Choice: Which of the following is a function of the cytoskeleton? A) Energy production, B) Structural support, C) DNA replication, D) Photosynthesis.

Answer 13

B) Structural support.

Question 14

What is osmosis?

Answer 14

The diffusion of water across a selectively permeable membrane.

Question 15

True or False: Active transport requires energy.

Answer 15

True.

Question 16

What is the main purpose of mitosis?

Answer 16

Cell division for growth and repair.

Question 17

Fill in the blank: The phase of the cell cycle where the cell spends most of its time is called __________.

Answer 17

interphase.

Question 18

What type of RNA carries amino acids to the ribosome?

Answer 18

Transfer RNA (tRNA).

Question 19

Multiple Choice: Which of the following is a type of passive transport? A) Endocytosis, B) Exocytosis, C) Diffusion, D) Active transport.

Answer 19

C) Diffusion.

Question 20

What is a chromosome?

Answer 20

A structure made of DNA and proteins that contains genetic information.

Question 21

True or False: DNA replication occurs during the S phase of interphase.

Answer 21

True.

Question 22

What is the role of the lysosome?

Answer 22

Digestion of waste materials and cellular debris.

Question 23

Fill in the blank: The __________ is a semi-permeable barrier that surrounds the cell.

Answer 23

cell membrane.

Question 24

What is the primary function of the plasma membrane?

Answer 24

To protect the cell and control the movement of substances in and out.

Question 25

Multiple Choice: Which of the following processes does NOT require energy? A) Active transport, B) Osmosis, C) Endocytosis, D) Protein synthesis.

Answer 25

B) Osmosis.

Question 26

What is the function of the nucleolus?

Answer 26

Ribosome production.

Question 27

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

Answer 27

True.

Question 28

What are the two main types of cells?

Answer 28

Prokaryotic and eukaryotic.

Question 29

Fill in the blank: The __________ is responsible for controlling the activities of the cell.

Answer 29

nucleus.

Question 30

What is the process of converting mRNA into protein called?

Answer 30

Translation.

Question 31

Multiple Choice: Which organelle is involved in detoxifying harmful substances? A) Mitochondria, B) Golgi apparatus, C) Smooth endoplasmic reticulum, D) Ribosomes.

Answer 31

C) Smooth endoplasmic reticulum.

Question 32

What is a gene?

Answer 32

A segment of DNA that codes for a protein.

Question 33

True or False: The cell wall is found in both plant and animal cells.

Answer 33

False.

Question 34

What is the main function of vacuoles in plant cells?

Answer 34

Storage of substances.

Question 35

Fill in the blank: __________ are the sites of photosynthesis in plant cells.

Answer 35

Chloroplasts.

Question 36

What type of cell division produces gametes?

Answer 36

Meiosis.

Question 37

Multiple Choice: Which of the following is a characteristic of prokaryotic cells? A) They have a nucleus, B) They lack membrane-bound organelles, C) They are larger than eukaryotic cells, D) They reproduce by mitosis.

Answer 37

B) They lack membrane-bound organelles.

Question 38

What is the function of the cell membrane?

Answer 38

To regulate the movement of substances in and out of the cell.

Question 39

True or False: Ribosomes can be found free-floating in the cytoplasm or attached to the endoplasmic reticulum.

Answer 39

True.

Question 40

What is the main role of the mitochondria?

Answer 40

To produce ATP through cellular respiration.