Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Cells And Cell Structure > Flashcards

Cells And Cell Structure Flashcards

1
Q

What is the basic unit of life?

A

Cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

True or False: Prokaryotic cells have a nucleus.

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Fill in the blank: The _______ is the control center of the cell.

A

nucleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What structure regulates the movement of substances in and out of the cell?

A

Cell membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the function of ribosomes?

A

Protein synthesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which organelle is responsible for energy production?

A

Mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Multiple choice: Which of the following is NOT a component of the cell theory? A) All living things are composed of cells B) Cells are the basic unit of life C) Cells can arise spontaneously D) All cells come from pre-existing cells

A

C) Cells can arise spontaneously

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the jelly-like substance inside the cell called?

A

Cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

True or False: Plant cells have cell walls.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the function of the rough endoplasmic reticulum?

A

Synthesis and processing of proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Fill in the blank: The _______ is involved in the modification and packaging of proteins.

A

Golgi apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What structure is responsible for photosynthesis in plant cells?

A

Chloroplasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Multiple choice: Which organelle is known as the ‘powerhouse of the cell’? A) Nucleus B) Ribosome C) Mitochondria D) Golgi apparatus

A

C) Mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What type of cell lacks membrane-bound organelles?

A

Prokaryotic cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

True or False: Eukaryotic cells can be unicellular or multicellular.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the primary function of the cell wall in plant cells?

A

Provide structure and support

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Fill in the blank: The _______ is a semi-permeable barrier surrounding the cell.

A

cell membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the role of lysosomes in the cell?

A

Digestion of waste materials and cellular debris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Multiple choice: Which of the following is a characteristic of prokaryotic cells? A) Have a true nucleus B) Lack membrane-bound organelles C) Larger in size D) Complex structure

A

B) Lack membrane-bound organelles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is the function of the cytoskeleton?

A

Provide structural support and shape to the cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

True or False: The nucleolus is involved in ribosome production.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Fill in the blank: The _______ is the site of lipid synthesis.

A

smooth endoplasmic reticulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are the small, hair-like structures that help in cell movement called?

A

Cilia or flagella

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

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

A

B) Smooth endoplasmic reticulum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the main component of the plant cell wall?

A

Cellulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

True or False: All cells have DNA.

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

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

A

cytoskeleton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is the primary function of the plasma membrane?

A

Regulate the entry and exit of substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Multiple choice: Which of the following is found in eukaryotic cells but not in prokaryotic cells? A) DNA B) Ribosomes C) Nucleus D) Cell membrane

A

C) Nucleus

30
Q

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

A

Storage of substances and maintaining turgor pressure

31
Q

True or False: The Golgi apparatus is involved in the synthesis of ATP.

A

False

32
Q

Fill in the blank: The _______ contains the genetic material of the cell.

A

nucleus

33
Q

What is the function of the plasma membrane proteins?

A

Facilitate transport and communication

34
Q

Multiple choice: Which organelle is responsible for protein modification? A) Ribosome B) Golgi apparatus C) Lysosome D) Nucleus

A

B) Golgi apparatus

35
Q

What is the process by which cells obtain energy from glucose called?

A

Cellular respiration

36
Q

True or False: All cells have a cell wall.

A

False

37
Q

Fill in the blank: The _______ is the site of photosynthesis in plant cells.

A

chloroplast

38
Q

What type of transport requires energy to move substances across the cell membrane?

A

Active transport

39
Q

Multiple choice: Which of the following is a function of the rough endoplasmic reticulum? A) Lipid synthesis B) Protein synthesis C) DNA replication D) Waste removal

A

B) Protein synthesis

40
Q

What is the term for the movement of water across a selectively permeable membrane?

A

Osmosis

41
Q

True or False: The cell membrane is composed of a phospholipid bilayer.

A

True

42
Q

Fill in the blank: The _______ helps in the synthesis of ribosomal RNA.

A

nucleolus

43
Q

What is the main function of centrioles?

A

Cell division

44
Q

Multiple choice: Which structure is responsible for detoxifying harmful substances in the liver? A) Lysosome B) Peroxisome C) Mitochondria D) Ribosome

A

B) Peroxisome

45
Q

What is the role of the cell membrane in cellular communication?

A

It contains receptors that respond to signaling molecules.

46
Q

True or False: Animal cells have chloroplasts.

A

False

47
Q

Fill in the blank: The _______ provides a pathway for intracellular transport.

A

endoplasmic reticulum

48
Q

What is the fundamental difference between plant and animal cells?

A

Plant cells have a cell wall and chloroplasts, while animal cells do not.

49
Q

Multiple choice: Which of the following is a function of lysosomes? A) Energy production B) Waste disposal C) Photosynthesis D) Protein synthesis

A

B) Waste disposal

50
Q

What is the significance of the selective permeability of the cell membrane?

A

It allows the cell to maintain homeostasis by controlling what enters and exits.

51
Q

True or False: Mitochondria have their own DNA.

A

True

52
Q

Fill in the blank: The _______ is involved in the synthesis of ATP.

A

mitochondria

53
Q

What are the hair-like projections on some eukaryotic cells called?

A

Cilia

54
Q

Multiple choice: Which is the primary component of the plasma membrane? A) Proteins B) Nucleic acids C) Carbohydrates D) Phospholipids

A

D) Phospholipids

55
Q

What cellular structure is responsible for packaging and distributing proteins?

A

Golgi apparatus

56
Q

True or False: The endoplasmic reticulum is involved in detoxifying drugs.

A

True

57
Q

Fill in the blank: The _______ is the site of cellular respiration.

A

mitochondria

58
Q

What is the process called when a cell engulfs large particles?

A

Phagocytosis

59
Q

Multiple choice: Which organelle is known as the ‘suicide bag’ of the cell? A) Ribosome B) Lysosome C) Golgi apparatus D) Nucleus

A

B) Lysosome

60
Q

What is the role of the extracellular matrix?

A

Provide structural and biochemical support to surrounding cells.

61
Q

True or False: The cell wall is selectively permeable.

A

False

62
Q

Fill in the blank: The _______ is involved in the synthesis of lipids.

A

smooth endoplasmic reticulum

63
Q

What is the term for the process of cell division in eukaryotic cells?

A

Mitosis

64
Q

Multiple choice: Which of the following organelles is involved in protein synthesis? A) Mitochondria B) Ribosomes C) Golgi apparatus D) Lysosomes

A

B) Ribosomes

65
Q

What is the function of chlorophyll in chloroplasts?

A

Absorb light energy for photosynthesis.

66
Q

True or False: Plant cells are typically larger than animal cells.

A

True

67
Q

Fill in the blank: The _______ helps maintain the shape of the cell and assists in cell movement.

A

cytoskeleton

68
Q

What is the primary role of the nucleolus?

A

Production of ribosomal RNA

69
Q

Multiple choice: Which of the following is NOT found in prokaryotic cells? A) Ribosomes B) Cell membrane C) Nucleus D) DNA

A

C) Nucleus

70
Q

What is the term for the movement of substances from an area of high concentration to an area of low concentration?

A

Diffusion

71
Q

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

A

False

72
Q

Fill in the blank: The _______ is a double membrane structure that encloses the nucleus.

A

nuclear envelope

Biology (28 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions